perf(mobile): reduce cold startup and channel rendering delays by wesbillman · Pull Request #6996 · block/buzz

wesbillman · 2026-08-28T17:37:29Z

Pinky is opening this PR on Wes’s behalf.

Summary

Reduce two separately measured mobile delays without changing the relay API or removing rich message rendering:

Publish the finite channel-list snapshot without waiting for live subscription setup.
Batch active channel-list subscriptions into sorted, deterministic chunks of at most 128 explicit channel IDs, retaining unchanged chunks.
Install replacement chunks before retiring old coverage. Retain old chunks across thrown replacement failures; filter callbacks to the current relay/identity and still-desired channels; clean up retired/in-flight work across disconnect and disposal.
Scope the custom-emoji Markdown matcher to known shortcodes actually referenced in the rendered content, rather than embedding the whole community palette in every message’s regex. Preserve unknown literals, shared-colon token boundaries, event-tag URL priority, content edits, and code literals.
Honor explicit zero retry hints without inventing a ten-second session-wide gate, while preserving the ordinary live-subscription retry backoff and any already-active gate.

Matched performance results

Medians of three before and three after process-cold launches, alternated on the same authenticated iPhone 17 Pro / iOS 26.5 simulator. Before is mobile source at e76c81968b65b0755b83efdd59dc3375c59ddf40; after is this production patch before two documentation-only comment fixes.

First channel-list frame: 11.617s → 3.179s · 73% lower latency

Live setup duration: 8.475s → 0.185s · 98% lower latency

Channel-open first message-list frame: 2.754s → 1.230s · 55% lower latency

Message data ready → first frame: 1.977s → 0.286s · 86% lower latency

Channel-open reveal complete: 2.845s → 1.394s · 51% lower latency

Channel-open data readiness: 0.770s → 0.944s · 23% higher latency

The gain is client-side orchestration/rendering, not a claim that the relay became faster. First channel-list frame ranges were 10.835–11.788s before and 2.872–3.395s after; channel-open first-frame ranges were 1.560–2.906s before and 1.149–1.317s after.

Measurement boundaries

Debug simulator builds, CPU sampling disabled, bounded timestamp probes enabled identically. These are not release/physical-device measurements.
Startup clock starts at Dart main; build/install/native pre-main time is excluded. Auth/preferences and OS/disk caches are retained between new processes.
Same account scale: 113 active channels. Latest-message events varied slightly with live activity (1543–1546).
Channel-open uses the same initial 50-row history window, 97 query events, and 67 provider events. The 2306-entry emoji palette is explicitly loaded before navigation on both sides; palette preparation is excluded from the channel-open clock and happens after the startup frame measurement.
Both diagnostic builds temporarily disabled unused avatar segmentation to work around the existing Google ML Kit arm64-simulator slice limitation. The workaround, dependency/native changes, auto-navigation, and all probes are excluded from this PR.

Validation

Full mobile package suite: flutter test — 1890 passed.
just mobile-check — 506 files unchanged; analyzer clean.
just file-size-check — policy tests and all client ratchets passed.
git diff --check — passed.
New lifecycle regressions cover front-sorting insertion across a chunk boundary while replacement readiness is paused, failure retention/departed-channel filtering, retired generation + disconnect cleanup, disposal, chunk limits, unchanged-set reuse, and scope switches.
Emoji unit/widget coverage includes a 2500-unused-emoji palette, unknown tokens, case matching at the component level, shared-colon boundaries, rich text, event URL priority, and content edits.
Fresh-frame source review traced the subscription queue/fences, callback scopes, duplicate-event paths, matcher/wiring, and retry scheduling.
At committed/pushed head 13a83b628c8411c5885e6f76a250ba87accf6067, all normal pre-push hooks passed: mobile-checks (formatter, analyzer, and the full 1890-test mobile suite), file-size-check, branch-skew, and push-head-scope. The commit hook formatted 506 files with no changes. Runtime measurements preceded only the two documentation-comment fixes; no runtime source changed afterward.

Limits / follow-ups

RelaySession.subscribe still settles under its existing EOSE/fallback/retryable-CLOSED contract. “Setup completed” is not an unconditional EOSE or live-delivery guarantee. This PR does not add status-aware replacement ownership.
The channel-message provider still awaits subscribe before fetching history; that separate serialization is not removed here.
Oversized Huddle queries and the separate history batching path above 128 active channels remain follow-ups, as do pre-existing read-state initialization/size warnings.
Palette-only widget refresh and upstream Markdown uppercase-dispatch behavior are not changed.
A clean source build still has the existing Google ML Kit arm64-simulator issue; the profiling workaround is not a proposed product fix.

Originating Buzz conversation: buzz://message?channel=793b0522-7995-4375-b1a6-fd94a96fa21d&id=6ba88afdec78ab2cfb6728afcd4a6d10f29e6aa33ff0f62f45d6750381e4d789

Publish the channel snapshot before live setup and batch subscriptions into deterministic relay-safe chunks. Install replacements before retiring old coverage, and fence pending work across scope and lifecycle changes. Limit custom-emoji Markdown matching to shortcodes used in the rendered content rather than the full community palette. Honor explicit zero retry hints without introducing the fallback global rate-limit delay. Add lifecycle, rate-limit, and emoji regression coverage. Co-authored-by: Wes <wesbillman@users.noreply.github.com> Co-authored-by: Pinky <5f5ab050ec58ae208332edd544ebf705221e24c1b86d82a6ca07038a7a8f6ac9@buzz.block.builderlab.xyz> Co-authored-by: Brain <1a02c72794dcd0f07058a353bc3a81f4028b8c77c92c87fce6d5c8b85970a20b@buzz.block.builderlab.xyz> Signed-off-by: Wes <wesbillman@users.noreply.github.com>

github-actions · 2026-08-28T17:37:46Z

🔐 Codex Security Review

Status: review required for the current range.

The current range is 2f66ee24a0bf5efa958378069a6b155e99a1d068...c9f71c90413d3aa2da1b0858e1b693eee62dce12.
A new review must complete for this exact range. When manual authorization
is required, a Block organization member must comment exactly
@buzz-security-review c9f71c90413d3aa2da1b0858e1b693eee62dce12 to authorize a new review.
Any previous review applies only to its recorded range.

jedwards27

:bot: Jude’s code review agent

Verdict: REQUEST CHANGES
Reviewed: 58cc4b7e9be71223f7898ea5f930a4248830ccfb..13a83b628c8411c5885e6f76a250ba87accf6067 (exact head 13a83b628c8411c5885e6f76a250ba87accf6067)
Risk: high — Mobile startup and live channel delivery now depend on chunk ownership, replacement ordering, stale-callback fences, and bounded failure recovery.

Blocking findings

[P2] Terminal `CLOSED` leaves false chunk ownership and can permanently stop live delivery

mobile/lib/features/channels/channels_provider_lifecycle.dart:79-124 installs each chunk with session.subscribe and records only its unsubscribe closure. mobile/lib/shared/relay/relay_session.dart:713-722 removes a terminally closed subscription internally, but the provider receives no status/closure notification. Later synchronization sees the retained chunk key at lifecycle line 81 and skips replacement as though coverage remained alive. With this PR’s batching, one stale ownership record can silently stop live delivery for up to 128 channels; during replacement, the falsely retained new key can also satisfy coverage accounting and retire working old chunks.

Author action: track terminal closure with generation-safe ownership: remove only the matching installed key/closure and trigger bounded reconciliation. Add a regression for terminal closure after settled/fallback setup proving refresh reinstalls coverage and does not retire a working fallback chunk.

Verification owner: author for the mutation-proven regression; reviewer for callback/cleanup ordering and the full Mobile package rerun.

[P2] Repeated partial replacement failure retains subscriptions without a bound

channels_provider_lifecycle.dart:153-160 computes coverage only from exact current desired chunk keys. Lines 161-174 then retain every obsolete chunk containing any desired ID not covered by those successful current keys. Repeated sorted-boundary shifts while one replacement chunk fails can retain another obsolete 128-channel subscription every cycle, growing provider map entries, relay live subscriptions/REQs, callback fan-out, and reconnect replay indefinitely. A model of the exact rule grew retained chunks 2→3→4→5→6→7→8→9 over seven partial-failure/front-insertion cycles.

Author action: bound fallback ownership per uncovered channel/range and retire redundant obsolete chunks while preserving install-before-retire coverage. Add a multi-cycle churn/failure regression asserting complete desired coverage and a bounded active-subscription count.

Verification owner: author for the causal regression; reviewer for resource-bound and replacement-order verification.

Other traced contracts

Snapshot publication no longer waits on live setup and remains stale-refresh fenced. Relay/identity/generation/desired-channel callback filters, disconnect/disposal cleanup, deterministic 128-ID chunking, and explicit retry-hint 0 behavior appear sound in the searched paths. The content-bounded emoji matcher preserves unknown/code literals, event-tag URL priority, edits, colon boundaries, case matching, and accessible fallback semantics. The product lane found no separate visible/accessibility defect.

Validation at matching exact head:

full Mobile flutter test — 1,890 passed in both independent lanes.
just mobile-check — pass; 506 files unchanged, analyzer clean.
git diff --check — pass.
snapshot-blocking and full-palette matcher mutations fail causally as intended.
live exact-head Mobile, Desktop, macOS build, integration, DCO, and applicable checks are successful.

Manual/native evidence: no independent simulator launch, release-profile run, physical-device run, or raw performance-receipt inspection.
Residual risk: the reported latency cohorts are debug-simulator measurements with three samples per cohort and were not independently reproduced. This performance/native gap is reviewer/performance-owner verification, not additional author rework; the two source-established lifecycle defects independently require changes.

jedwards27

Verdict: REQUEST CHANGES

Reviewed: 58cc4b7e9be71223f7898ea5f930a4248830ccfb..13a83b628c8411c5885e6f76a250ba87accf6067 (exact live head 13a83b628c8411c5885e6f76a250ba87accf6067)

Risk: high — this changes relay subscription ownership, replacement, retry, and reconnect behavior for the mobile channel list.

Blocking findings

A terminal relay CLOSED leaves false provider ownership and can permanently stop live delivery for a 128-channel chunk. mobile/lib/features/channels/channels_provider_lifecycle.dart:79-124 installs through session.subscribe and records only an unsubscribe closure; subsequent syncs skip a retained key at line 81. However, mobile/lib/shared/relay/relay_session.dart:713-722 removes a terminally closed subscription internally without notifying this owner. The provider can therefore continue treating dead coverage as installed. During replacement, that false key may also count as coverage and cause working fallback coverage to be retired.

Author action: track terminal closure with generation-safe ownership, removing only the matching installed key/closure and triggering bounded reconciliation. Add a regression for terminal closure after settled and fallback setup that proves coverage is reinstalled and working fallback coverage is not retired.
Repeated partial replacement failures retain subscriptions without a resource bound. mobile/lib/features/channels/channels_provider_lifecycle.dart:153-160 counts coverage only from exact current desired keys, while lines 161-174 retain every obsolete chunk containing any desired ID not covered by those keys. Repeated sorted-boundary shifts with one failing replacement can retain another obsolete 128-channel subscription each cycle, growing provider entries, relay subscriptions/REQs, callback fan-out, and reconnect replay indefinitely. A model of this cleanup rule grew retained chunks 2→3→4→5→6→7→8→9 over seven churn/failure cycles.

Author action: bound fallback ownership per uncovered channel/range and retire redundant obsolete chunks while preserving install-before-retire coverage. Add a multi-cycle churn/partial-failure regression asserting both complete desired coverage and a bounded active-subscription count.

Verification owner: author for causal regressions; reviewer reruns the full mobile package and re-traces terminal-close/replacement ordering at the new exact head.

Validation and non-blocking review results

Two independent exact-head runs of the full mobile package passed: flutter test, 1,890 tests.
Two exact-head runs of just mobile-check passed: 506 files unchanged and analyzer clean.
git diff --check passed.
Exact-head GitHub Mobile CI is successful; authenticated reviewer jedwards27 is distinct from author wesbillman.
The finite snapshot no longer waits for live setup, and mutation evidence shows the cold-list regression fails when the blocking await is restored.
Product/UI and emoji review found no concrete defect: content-bounded emoji matching remains case-insensitive, preserves unknown/code text and accessible fallback semantics, and mutation evidence made six focused tests fail when full-palette matching was restored.
Explicit retry hint 0 preserves the ordinary 1-second live retry backoff without incorrectly opening the 10-second session gate.

Manual/native evidence: no physical-device or release-profile run was independently performed. The reported simulator measurements are debug-only and were not independently reproduced; this is a confidence gap, not the reason for the verdict.

Residual risk: native/release latency, flicker, and accessibility-tree behavior remain unwitnessed. Local just file-size-check also selected a moving origin/main base and reported an unrelated Desktop ratchet; exact-head GitHub changed-path gates are green, so that reviewer-tooling mismatch is not an author defect.

Replace terminally closed live channel chunks through the serialized backstop path, fencing stale closure callbacks by generation. Retain only greedy fallback coverage after partial replacement failures so repeated churn cannot accumulate redundant relay subscriptions. Add terminal-closure and repeated partial-failure regressions. Co-authored-by: Carl <9d00794d3df50972eb8b615511783cab12a77a8fd5dd5edd58073ec73b54bd8b@buzz.block.builderlab.xyz> Signed-off-by: Wes <wesbillman@users.noreply.github.com>

wesbillman · 2026-08-28T18:29:04Z

Implemented the requested live-subscription lifecycle fixes in a1ac2f68355738363923592d23633801c9cc36a7.

Terminal relay closures now remove only matching generation ownership and trigger serialized reconciliation, preserving required fallback coverage.
Partial replacement cleanup now retains a minimal greedy fallback set, bounding subscriptions across repeated churn while keeping desired channels covered.
Added causal regressions for terminal closure and seven partial-failure churn cycles. Exact pushed tree validation: 63 focused channel-provider tests passed, full Mobile suite passed (1,892 tests), affected-file analysis passed, and both regressions were mutation-checked.

buzz-auto-pr-comments:v1 request_id=87b12e6d-e415-4059-bf6a-b1bc4d09a454 head_sha=13a83b628c8411c5885e6f76a250ba87accf6067 snapshot=cd88d34fc289282e7b635c8b8b7b09b5d6e59215ae9dc3bbdd0445ffda9b9e64

jedwards27

Verdict: REQUEST CHANGES
Reviewed: 58cc4b7e9be71223f7898ea5f930a4248830ccfb..a1ac2f68355738363923592d23633801c9cc36a7 (exact head a1ac2f68355738363923592d23633801c9cc36a7)
Risk: high — Mobile live-subscription ownership, recovery loops, network/battery amplification, and snapshot→live continuity.

Behavior/contracts traced: finite snapshot publication; chunked live subscription installation/replacement; terminal-close ownership; generation races; install-before-retire coverage; repeated partial-failure churn; reconnect/disposal cleanup; retry-zero semantics; emoji matching; resource bounds.

Blocking finding (P2): persistent terminal CLOSED can self-amplify into an unbounded immediate refresh/re-subscribe loop. RelaySession intentionally treats terminal closure as non-retryable, invokes onClosed, removes the subscription, and returns (mobile/lib/shared/relay/relay_session.dart:713-722). The provider callback removes ownership and immediately requests reconciliation (mobile/lib/features/channels/channels_provider_lifecycle.dart:162-170). Reconciliation immediately performs full _backstopRefresh() work and loops when another closure arrives during the run, without delay, ceiling, or a meaningful state-change prerequisite (channels_provider_lifecycle.dart:172-192; channels_provider.dart:767-786). A relay that persistently rejects the unchanged filter can therefore drive unbounded membership/history requests, live REQs, callbacks/logs, radio, and battery use. The added regression closes only once and lets replacement succeed (mobile/test/features/channels/channels_provider_live_cases.dart:225-257), so it does not constrain this failure mode.

Author action: back off and bound terminal-close recovery, and require a meaningful lifecycle, membership, reconnect, or policy transition before repeatedly reinstalling the same terminally rejected chunk. Add a deterministic persistent-terminal regression that rejects every replacement over multiple attempts and asserts bounded membership requests, subscriptions/REQs, timers, and logs while the finite snapshot remains usable. Mutation-prove it.

Verification owner: author for fix and causal regression; reviewer for lifecycle-policy re-trace, mutation, full Mobile suite, and exact-head freshness.

Resolved former findings: generation-safe terminal ownership removal now permits one-shot reinstall without stale callbacks clobbering newer ownership; greedy fallback retirement preserves desired coverage while bounding obsolete chunks. Both regressions bite under independent mutations.

Validation: both assigned lanes passed the full Mobile suite at the clean exact head (1,892 tests) and just mobile-check (506 files unchanged; analyzer clean). Focused provider suite passed 64 tests. Removing terminal ownership recovery failed coverage; restoring the old fallback algorithm exceeded the asserted bound. git diff --check passed. Exact-head CI was still running with no observed failing check when integrated.

Manual/native evidence: no native/release cold-start, visual/AX, or physical-device performance rerun.
Residual risk: performance claims remain unwitnessed on release hardware, but that confidence gap is not the basis of this request.

— :bot: Jude’s code review agent

brow · 2026-08-28T19:04:14Z

+
+  void _handleLiveChunkClosed(String chunkKey, int generation, String message) {
+    final subscription = _liveSubscriptionsByChunk[chunkKey];
+    if (subscription == null || subscription.generation != generation) return;


🤖 Non-blocking (test adequacy, not a defect): the two guards new in this commit are unfalsifiable by the current suite. I mutated each one separately at a1ac2f68 and the full mobile suite stayed green (1892/1892 both times), with an inert control mutant surviving as expected and a positive control confirming the rig can see this file: deleting the onClosed: wiring that reaches _handleLiveChunkClosed is killed by terminal closure reinstalls desired coverage without retiring fallback.

Surviving mutant 1, this line: dropping || subscription.generation != generation (keeping only the subscription == null check) changes nothing observable. This is the guard that stops a late CLOSED for a superseded chunk generation from evicting the live replacement that now owns the same chunkKey and then triggering a reconcile. Since _syncLiveSubscriptions reuses chunkKey across replacements and installs the new _LiveChunkSubscription before awaiting session.subscribe, a CLOSED still in flight from the old socket is exactly the case the generation compare exists for.

Surviving mutant 2, line 179: dropping _liveReconcileRequested = true (so a reconcile requested while one is running is simply discarded) is also invisible. That flag is the coalescing half of _requestLiveReconcile: without it, a CLOSED arriving during an in-flight _backstopRefresh is dropped and the chunk it evicted from _liveSubscriptionsByChunk stays uncovered until the 60s backstop timer fires. That is a silent up-to-60s live-delivery gap, which looks like the failure mode this commit exists to fix.

Both are reachable through the seams the PR already has (closeSubscriptionContaining plus the existing pauseNextSubscribe / subscribeFailures fakes), so each should be cheap to pin: fire a CLOSED carrying a stale generation and assert coverage plus activeSubscriptionCount are unchanged, and fire a CLOSED while a reconcile is parked and assert the second reconcile still runs.

For attribution: I also found that dropping _liveSubscriptions[subId] != liveSub from the post-gate recheck in relay_session.dart _handleClosed livelocks the closed-retry replay (a pending entry _sendReplayBatches skips but never removes, so the finally reschedules unboundedly; my probe hung at 300s vs 3s pristine). That guard and its blind spot are byte-identical at this PR's merge base e76c8196 and reproduce there identically, so it is pre-existing and explicitly not charged to this PR.

Honor RelaySession terminal admission failures instead of immediately refreshing memberships and reinstalling the unchanged filter. Quarantine rejected desired chunks until the filter, scope, or connection changes. Keep periodic membership discovery and transient session retry policy. Add fake-clock regressions for persistent rejection before/after readiness, bounded requests and timers, reconnect recovery, changed membership, stale callbacks, scope isolation, and pending-close disposal. Preserve fallback coverage until reconnect can restore the rejected chunk. Co-authored-by: Pinky <5f5ab050ec58ae208332edd544ebf705221e24c1b86d82a6ca07038a7a8f6ac9@buzz.block.builderlab.xyz> Signed-off-by: Wes <wesbillman@users.noreply.github.com>

wesbillman · 2026-08-28T19:11:48Z

Pinky is commenting on Wes’s behalf.

Addressed the remaining persistent-terminal-CLOSED finding in review #6996 (review) with c9f71c9.

Rather than add another retry policy, the provider now respects RelaySession’s terminal classification: it removes ownership and quarantines that exact desired chunk. Ordinary refreshes/polls cannot resubmit the unchanged rejected filter. A changed chunk, community/identity scope, or a new authenticated connection permits another attempt. Obsolete quarantine keys are discarded, existing fallback coverage is retained, and transient/rate-limit retry behavior remains owned by RelaySession. No new production retry timer; the existing 60-second membership discovery remains.

Validation

Normal pre-push hooks at clean exact head c9f71c904: full Mobile suite 1,900 passed; formatter/analyzer clean; file-size, branch-skew, and push-head-scope gates passed.
Deterministic fake-clock regressions cover persistent rejection before/after readiness, bounded membership/history/subscription requests and timers/logs, usable finite snapshot, manual/periodic refresh, repeated reconnect attempts, successful recovery, changed filters, stale callbacks, scope changes, and pending-close disposal.
Isolated mutation check with base a1ac2f6 production code + the new regression produced 202 terminal rejections in 202 ms of simulated time, against the expected one, for both readiness timings. Removing only quarantine fails at the next periodic refresh; removing reconnect reset fails recovery. No mutation was applied to the working branch.

No ML Kit/native changes included. No native-app relaunch or new physical-device performance measurement for this correction. GitHub CI/re-review at this new head is not yet verified; this comment does not approve or merge the PR.

jedwards27

Verdict: APPROVE

Reviewed: 58cc4b7e9be71223f7898ea5f930a4248830ccfb..c9f71c90413d3aa2da1b0858e1b693eee62dce12 (exact live head c9f71c90413d3aa2da1b0858e1b693eee62dce12)

Risk: high — mobile channel startup now decouples finite snapshot publication from relay subscription setup and changes chunk ownership, terminal closure, replacement, and retry behavior.

Findings: no unresolved author-actionable defect. The prior persistent terminal-CLOSED amplification blocker is resolved:

mobile/lib/features/channels/channels_provider_lifecycle.dart:87-90,171-187 removes only generation-matching ownership, quarantines a still-desired terminally rejected chunk, and does not launch another refresh/REQ loop.
channels_provider_lifecycle.dart:26-32,238-245 bounds quarantine to desired chunk keys and clears it on teardown; stale callbacks are generation-fenced.
mobile/lib/features/channels/channels_provider.dart:112-123 clears quarantine only after a new authenticated connection, allowing one fresh admission attempt per connection rather than internal self-amplification.
mobile/lib/shared/relay/relay_session.dart:716-720,728-772 keeps terminal closure non-retrying while transient/rate-limit closure retains bounded backoff.
Replacement cleanup at channels_provider_lifecycle.dart:189-235 retains old subscriptions only while necessary for desired-channel coverage, avoiding the former unbounded obsolete-chunk growth.

The deterministic provider/session tests cover persistent closure before/after readiness, repeated ordinary/manual/timer refresh, reconnect-only recovery, changed filters, community/identity isolation, stale callbacks, disposal, bounded counters/timers/logs, chunk caps, and fallback cleanup. Emoji widget/matcher coverage preserves large-palette, event-tag precedence, edits, code literals, unknown/case, adjacency, and accessible fallback behavior. Explicit retry hint 0 preserves the normal one-second live retry without creating the ten-second session gate.

Author action: none.

Verification owner: Mobile CI owns its still-running exact-head gate; release/performance validation owns native-device and release-profile observation.

Validation at matching clean HEAD:

Independent full Mobile runs: cd mobile && flutter test — 1,900 passed in each review lane.
Focused production-boundary runs: 71 passed and 127 passed respectively.
just mobile-check — formatting unchanged; Flutter analyzer clean.
git diff --check 58cc4b7e...c9f71c90 — pass.
Live PR head and reviewed head both c9f71c90413d3aa2da1b0858e1b693eee62dce12; PR open; authenticated reviewer jedwards27 differs from author wesbillman.

Manual/native evidence: no physical-device/release cold-start, long-channel scrolling, offline→online, background/resume, visual, or accessibility-tree run was performed.

Residual risk: production latency and frame-time claims remain unwitnessed in release/native shape. _referencedUrls still linearly scans the full community emoji palette per rendered message; correctness and regex-cardinality reduction are tested, but large-channel frame time is not independently benchmarked. Mobile CI is still running at submission time; this is an external gate, and author action is required only if it reports a PR-caused failure.

* origin/main: fix(desktop): resolve bundled sidecar on cheap path and bound login-shell spawns (#6904) perf(mobile): reduce cold startup and channel rendering delays (#6996) feat(mobile): push notifications MVP (#6269) Signed-off-by: Duncan <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@buzz.block.builderlab.xyz>

…enericize * origin/main: fix(desktop): resolve bundled sidecar on cheap path and bound login-shell spawns (#6904) perf(mobile): reduce cold startup and channel rendering delays (#6996) feat(mobile): push notifications MVP (#6269) refactor(db): extract domain stores from database runtime (#6987) Signed-off-by: Duncan <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@buzz.block.builderlab.xyz>

…agent-edit * origin/main: fix(desktop): resolve bundled sidecar on cheap path and bound login-shell spawns (#6904) perf(mobile): reduce cold startup and channel rendering delays (#6996) feat(mobile): push notifications MVP (#6269) refactor(db): extract domain stores from database runtime (#6987) Signed-off-by: Duncan <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@buzz.block.builderlab.xyz>

…age-rw * origin/main: fix(desktop): resolve bundled sidecar on cheap path and bound login-shell spawns (#6904) perf(mobile): reduce cold startup and channel rendering delays (#6996) feat(mobile): push notifications MVP (#6269) refactor(db): extract domain stores from database runtime (#6987) feat(desktop): add team sharing to community catalog (#3995) Refresh mobile utility surfaces and theme picker (#6944) fix(desktop): complete project empty and context states (#6980) Fix mobile jump-to-latest flicker (#6807) refactor(relay): NIP-98 admin auth with Operator/Moderator roles and NIP-11 discovery (#3777) refactor(db): split channel membership store (#6782) feat(auth): add NIP-FI canonical assertion verifier and contracts (#6776) Signed-off-by: Joel Robotham <jrobotham@squareup.com>

`gpt_markdown` 1.2 draws a paragraph holding inline code with `BidiRichText`, a `RichText` subclass, and `find.byType` matches the exact runtime type only. The finder therefore returned nothing on the one case whose content carries a code span, the joined text came out empty, and the literal `:wave:` assertion failed. Matching on the type test finds both classes. This surfaced only after merging `main`: the test arrived with block#6996, after this branch was cut, so it first failed on the merge result CI builds rather than on the branch. Signed-off-by: Tolga Cinisli <tolgacinisli@gmail.com>

…-history * origin/main: fix(desktop): surface channel history load failures (#7013) fix(composer): polish automatic mentions (#6956) fix(desktop): resolve bundled sidecar on cheap path and bound login-shell spawns (#6904) perf(mobile): reduce cold startup and channel rendering delays (#6996) Signed-off-by: Duncan <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@buzz.block.builderlab.xyz>

Pinky is opening this PR on Wes’s behalf. ## Summary Reduce two separately measured mobile delays without changing the relay API or removing rich message rendering: - Publish the finite channel-list snapshot without waiting for live subscription setup. - Batch active channel-list subscriptions into sorted, deterministic chunks of at most 128 explicit channel IDs, retaining unchanged chunks. - Install replacement chunks before retiring old coverage. Retain old chunks across thrown replacement failures; filter callbacks to the current relay/identity and still-desired channels; clean up retired/in-flight work across disconnect and disposal. - Scope the custom-emoji Markdown matcher to known shortcodes actually referenced in the rendered content, rather than embedding the whole community palette in every message’s regex. Preserve unknown literals, shared-colon token boundaries, event-tag URL priority, content edits, and code literals. - Honor explicit zero retry hints without inventing a ten-second session-wide gate, while preserving the ordinary live-subscription retry backoff and any already-active gate. ## Matched performance results Medians of three before and three after process-cold launches, alternated on the same authenticated iPhone 17 Pro / iOS 26.5 simulator. Before is mobile source at `e76c81968b65b0755b83efdd59dc3375c59ddf40`; after is this production patch before two documentation-only comment fixes. First channel-list frame: 11.617s → 3.179s · 73% lower latency Live setup duration: 8.475s → 0.185s · 98% lower latency Channel-open first message-list frame: 2.754s → 1.230s · 55% lower latency Message data ready → first frame: 1.977s → 0.286s · 86% lower latency Channel-open reveal complete: 2.845s → 1.394s · 51% lower latency Channel-open data readiness: 0.770s → 0.944s · 23% higher latency The gain is client-side orchestration/rendering, not a claim that the relay became faster. First channel-list frame ranges were 10.835–11.788s before and 2.872–3.395s after; channel-open first-frame ranges were 1.560–2.906s before and 1.149–1.317s after. ### Measurement boundaries - Debug simulator builds, CPU sampling disabled, bounded timestamp probes enabled identically. These are not release/physical-device measurements. - Startup clock starts at Dart `main`; build/install/native pre-main time is excluded. Auth/preferences and OS/disk caches are retained between new processes. - Same account scale: 113 active channels. Latest-message events varied slightly with live activity (1543–1546). - Channel-open uses the same initial 50-row history window, 97 query events, and 67 provider events. The 2306-entry emoji palette is explicitly loaded before navigation on both sides; palette preparation is excluded from the channel-open clock and happens after the startup frame measurement. - Both diagnostic builds temporarily disabled unused avatar segmentation to work around the existing Google ML Kit arm64-simulator slice limitation. The workaround, dependency/native changes, auto-navigation, and all probes are excluded from this PR. ## Validation - Full mobile package suite: `flutter test` — 1890 passed. - `just mobile-check` — 506 files unchanged; analyzer clean. - `just file-size-check` — policy tests and all client ratchets passed. - `git diff --check` — passed. - New lifecycle regressions cover front-sorting insertion across a chunk boundary while replacement readiness is paused, failure retention/departed-channel filtering, retired generation + disconnect cleanup, disposal, chunk limits, unchanged-set reuse, and scope switches. - Emoji unit/widget coverage includes a 2500-unused-emoji palette, unknown tokens, case matching at the component level, shared-colon boundaries, rich text, event URL priority, and content edits. - Fresh-frame source review traced the subscription queue/fences, callback scopes, duplicate-event paths, matcher/wiring, and retry scheduling. - At committed/pushed head `13a83b628c8411c5885e6f76a250ba87accf6067`, all normal pre-push hooks passed: `mobile-checks` (formatter, analyzer, and the full 1890-test mobile suite), `file-size-check`, `branch-skew`, and `push-head-scope`. The commit hook formatted 506 files with no changes. Runtime measurements preceded only the two documentation-comment fixes; no runtime source changed afterward. ## Limits / follow-ups - `RelaySession.subscribe` still settles under its existing EOSE/fallback/retryable-CLOSED contract. “Setup completed” is not an unconditional EOSE or live-delivery guarantee. This PR does not add status-aware replacement ownership. - The channel-message provider still awaits subscribe before fetching history; that separate serialization is not removed here. - Oversized Huddle queries and the separate history batching path above 128 active channels remain follow-ups, as do pre-existing read-state initialization/size warnings. - Palette-only widget refresh and upstream Markdown uppercase-dispatch behavior are not changed. - A clean source build still has the existing Google ML Kit arm64-simulator issue; the profiling workaround is not a proposed product fix. Originating Buzz conversation: buzz://message?channel=793b0522-7995-4375-b1a6-fd94a96fa21d&id=6ba88afdec78ab2cfb6728afcd4a6d10f29e6aa33ff0f62f45d6750381e4d789 --------- Signed-off-by: Wes <wesbillman@users.noreply.github.com> Co-authored-by: Pinky <5f5ab050ec58ae208332edd544ebf705221e24c1b86d82a6ca07038a7a8f6ac9@buzz.block.builderlab.xyz> Co-authored-by: Brain <1a02c72794dcd0f07058a353bc3a81f4028b8c77c92c87fce6d5c8b85970a20b@buzz.block.builderlab.xyz> Co-authored-by: Carl <9d00794d3df50972eb8b615511783cab12a77a8fd5dd5edd58073ec73b54bd8b@buzz.block.builderlab.xyz>

…c-agent-commit-identity * origin/main: fix(desktop): surface channel history load failures (#7013) fix(composer): polish automatic mentions (#6956) fix(desktop): resolve bundled sidecar on cheap path and bound login-shell spawns (#6904) perf(mobile): reduce cold startup and channel rendering delays (#6996) feat(mobile): push notifications MVP (#6269) refactor(db): extract domain stores from database runtime (#6987) Signed-off-by: Duncan <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@buzz.block.builderlab.xyz>

* feat(mobile): push notifications MVP (block#6269) This PR implements MVP, iOS-only, [NIP-PL](https://github.com/block/buzz/blob/8d2d0ff5ad42733e9949442c4b6358d0ba87f9a8/docs/nips/NIP-PL.md)-compliant push notifications. A relay with `BUZZ_PUSH_ENABLED` will send a push notification for any message that appears in the in-app Notifications tab. ## Enrollment flow The first time the client first connects to a relay with `BUZZ_PUSH_ENABLED`: ```mermaid sequenceDiagram autonumber participant App as Buzz iOS app participant iOS participant Relay as Buzz relay participant Attest as Apple App Attest participant Gateway as Push gateway App->>Relay: Fetch NIP-11 push capability Relay-->>App: Push profile, current relay public key, and limits par App->>iOS: Request notification permission iOS-->>App: Permission result and App->>iOS: Register for remote notifications iOS-->>App: Device token end App->>Gateway: Request installation challenge Gateway-->>App: Single-use challenge App->>Attest: Attest installation transcript Attest-->>App: Attestation proof App->>Gateway: Enroll device token and proof Gateway-->>App: Installation handle App->>Gateway: Request delegation challenge Gateway-->>App: Single-use challenge App->>Attest: Assert relay-key delegation Attest-->>App: Assertion App->>Gateway: Create delegation Gateway-->>App: Opaque endpoint grant App->>Relay: Publish encrypted push lease and filters Relay-->>App: Lease acknowledged ``` ## Push-time flow When a notification-eligible event is received by the relay: ```mermaid %%{init: { "sequence": { "actorMargin": 20, "width": 110, "messageMargin": 18, "diagramMarginX": 8, "wrap": true } }}%% sequenceDiagram autonumber participant Relay as Buzz relay participant Gateway as Push gateway participant APNs as Apple Push Notification service participant iOS participant NSE as Notification service extension Relay->>Gateway: POST /v1/deliveries/apns opaque endpoint grant, request ID, expiry, NIP-98 authorization Gateway->>APNs: POST /3/device/{device-token} topic, request ID, expiry, constant mutable-content payload APNs-->>Gateway: 200 OK: request accepted Gateway-->>Relay: 200 OK: accepted status APNs-->>iOS: Notification: constant reconnect alert mutable-content = 1 iOS->>NSE: Invoke extension original notification content NSE->>Relay: POST /query: subscription filters, limit 10 NIP-98 authorization Relay-->>NSE: 200 OK: signed Nostr events kinds 9, 40002, 45001, or 45003 NSE->>iOS: Complete notification: title, body, subtitle thread ID, exact-message target ``` relay → push gateway → APNs -> NSE -> Notification Center ## Known limitations The APNs wake payload is intentionally constant and opaque: it contains no originating community or message identifier, in keeping with the implemented NIP-PL privacy design. The Notification Service Extension must therefore reconnect to the relay and resolve eligible messages after each wake. Around overlapping wakes, timing boundaries, or resolution windows, notification presentation may occasionally omit an expected message or display a message more than once. This best-effort behavior is deliberately accepted for the current implementation and will be measured during the internal rollout to determine whether the user experience is acceptable before any broader deployment; the implementation does not claim exactly-once presentation. ## Validation Live end-to-end hardware validation used an internal remotely hosted development relay and push gateway, the APNs sandbox, and a physical iPhone 12 mini: - A second real Buzz client published a uniquely marked message through the hosted relay. - The relay matched the message and sent the constant opaque wake through the hosted gateway. The gateway made an actual APNs request; no `simctl push` or simulated notification was used. - The iPhone received the notification on its lock screen. The Notification Service Extension reconnected to the relay, fetched the event, verified its ID and signature, and replaced the placeholder content with the real notification title and body. - After the app populated its shared presentation cache, a final marked notification visibly showed the sender display name, sender avatar, and hashtag-prefixed channel name. - Tapping a lock-screen notification opened Buzz and exercised the notification-response path and navigated to the corresponding message. Final validation with a dogfood-signed artifact and production App Attest/APNs configuration remains a release step. ## Independent pre-reviews - **First pass:** [Carl](buzz://message?channel=18882f4c-289f-41db-942f-81f6f8066da1&id=74ab9a93bb227f3e762568f1cf9fee66d7495b0edc3918735ff787238b9cc585) found missing transient retries, executor-key rotation suppression, duplicate installation renewal, and an unauthenticated challenge write amplifier. These were resolved by [retry-safe bootstrap](block@12c66ea62) and [authenticated renewal plus a cross-replica quota](block@8e5ece0bd). [sol-max](buzz://message?channel=ad83385f-8e9e-4461-9a35-c1bf2e208532&id=d26d53daa4684669e2ed354638241f13f36c3a97027fe8b4dd738aff09038962) found delegation generation burning and an edited applied migration, resolved by [exact-generation revocation](block@c26d2159d) and a [forward-only migration](block@956c1d099). [k3-max](buzz://message?channel=5e46055d-a766-4065-ae25-05d1e4aaa6b2&id=d43139138a0b15f806cbdbeeedd8f69d992cadf2e805876db6fdde6a34c7eda1) found no blockers. - **Exact-head re-review:** [Carl](buzz://message?channel=18882f4c-289f-41db-942f-81f6f8066da1&id=a897721673459301b0cf26e8b85a1478d7ebbb56a4621f93d774c98d395b8f68), [sol-max](buzz://message?channel=ad83385f-8e9e-4461-9a35-c1bf2e208532&id=fb2159f709ec68f74f7b21459acd76da0e8a7c5c0f3d469f99826b0cc2380849), and [k3-max](buzz://message?channel=5e46055d-a766-4065-ae25-05d1e4aaa6b2&id=2ce2842910435f562e9d9cc718595848f281b122c94605e523a4b964254b8bfb) independently returned **NO BLOCKERS** at `7eb3a650b`; k3-max also revalidated every remediation and the endpoint-specific App Attest enrollment bound. --------- Signed-off-by: Tom Brow <tomb@squareup.com> Signed-off-by: Tom Brow <tomb@block.xyz> Co-authored-by: Tom Brow <tomb@squareup.com> Co-authored-by: Codex <noreply@openai.com> Co-authored-by: Jordan Mecom <jm@squareup.com> * perf(mobile): reduce cold startup and channel rendering delays (block#6996) Pinky is opening this PR on Wes’s behalf. ## Summary Reduce two separately measured mobile delays without changing the relay API or removing rich message rendering: - Publish the finite channel-list snapshot without waiting for live subscription setup. - Batch active channel-list subscriptions into sorted, deterministic chunks of at most 128 explicit channel IDs, retaining unchanged chunks. - Install replacement chunks before retiring old coverage. Retain old chunks across thrown replacement failures; filter callbacks to the current relay/identity and still-desired channels; clean up retired/in-flight work across disconnect and disposal. - Scope the custom-emoji Markdown matcher to known shortcodes actually referenced in the rendered content, rather than embedding the whole community palette in every message’s regex. Preserve unknown literals, shared-colon token boundaries, event-tag URL priority, content edits, and code literals. - Honor explicit zero retry hints without inventing a ten-second session-wide gate, while preserving the ordinary live-subscription retry backoff and any already-active gate. ## Matched performance results Medians of three before and three after process-cold launches, alternated on the same authenticated iPhone 17 Pro / iOS 26.5 simulator. Before is mobile source at `e76c81968b65b0755b83efdd59dc3375c59ddf40`; after is this production patch before two documentation-only comment fixes. First channel-list frame: 11.617s → 3.179s · 73% lower latency Live setup duration: 8.475s → 0.185s · 98% lower latency Channel-open first message-list frame: 2.754s → 1.230s · 55% lower latency Message data ready → first frame: 1.977s → 0.286s · 86% lower latency Channel-open reveal complete: 2.845s → 1.394s · 51% lower latency Channel-open data readiness: 0.770s → 0.944s · 23% higher latency The gain is client-side orchestration/rendering, not a claim that the relay became faster. First channel-list frame ranges were 10.835–11.788s before and 2.872–3.395s after; channel-open first-frame ranges were 1.560–2.906s before and 1.149–1.317s after. ### Measurement boundaries - Debug simulator builds, CPU sampling disabled, bounded timestamp probes enabled identically. These are not release/physical-device measurements. - Startup clock starts at Dart `main`; build/install/native pre-main time is excluded. Auth/preferences and OS/disk caches are retained between new processes. - Same account scale: 113 active channels. Latest-message events varied slightly with live activity (1543–1546). - Channel-open uses the same initial 50-row history window, 97 query events, and 67 provider events. The 2306-entry emoji palette is explicitly loaded before navigation on both sides; palette preparation is excluded from the channel-open clock and happens after the startup frame measurement. - Both diagnostic builds temporarily disabled unused avatar segmentation to work around the existing Google ML Kit arm64-simulator slice limitation. The workaround, dependency/native changes, auto-navigation, and all probes are excluded from this PR. ## Validation - Full mobile package suite: `flutter test` — 1890 passed. - `just mobile-check` — 506 files unchanged; analyzer clean. - `just file-size-check` — policy tests and all client ratchets passed. - `git diff --check` — passed. - New lifecycle regressions cover front-sorting insertion across a chunk boundary while replacement readiness is paused, failure retention/departed-channel filtering, retired generation + disconnect cleanup, disposal, chunk limits, unchanged-set reuse, and scope switches. - Emoji unit/widget coverage includes a 2500-unused-emoji palette, unknown tokens, case matching at the component level, shared-colon boundaries, rich text, event URL priority, and content edits. - Fresh-frame source review traced the subscription queue/fences, callback scopes, duplicate-event paths, matcher/wiring, and retry scheduling. - At committed/pushed head `13a83b628c8411c5885e6f76a250ba87accf6067`, all normal pre-push hooks passed: `mobile-checks` (formatter, analyzer, and the full 1890-test mobile suite), `file-size-check`, `branch-skew`, and `push-head-scope`. The commit hook formatted 506 files with no changes. Runtime measurements preceded only the two documentation-comment fixes; no runtime source changed afterward. ## Limits / follow-ups - `RelaySession.subscribe` still settles under its existing EOSE/fallback/retryable-CLOSED contract. “Setup completed” is not an unconditional EOSE or live-delivery guarantee. This PR does not add status-aware replacement ownership. - The channel-message provider still awaits subscribe before fetching history; that separate serialization is not removed here. - Oversized Huddle queries and the separate history batching path above 128 active channels remain follow-ups, as do pre-existing read-state initialization/size warnings. - Palette-only widget refresh and upstream Markdown uppercase-dispatch behavior are not changed. - A clean source build still has the existing Google ML Kit arm64-simulator issue; the profiling workaround is not a proposed product fix. Originating Buzz conversation: buzz://message?channel=793b0522-7995-4375-b1a6-fd94a96fa21d&id=6ba88afdec78ab2cfb6728afcd4a6d10f29e6aa33ff0f62f45d6750381e4d789 --------- Signed-off-by: Wes <wesbillman@users.noreply.github.com> Co-authored-by: Pinky <5f5ab050ec58ae208332edd544ebf705221e24c1b86d82a6ca07038a7a8f6ac9@buzz.block.builderlab.xyz> Co-authored-by: Brain <1a02c72794dcd0f07058a353bc3a81f4028b8c77c92c87fce6d5c8b85970a20b@buzz.block.builderlab.xyz> Co-authored-by: Carl <9d00794d3df50972eb8b615511783cab12a77a8fd5dd5edd58073ec73b54bd8b@buzz.block.builderlab.xyz> * fix(desktop): resolve bundled sidecar on cheap path and bound login-shell spawns (block#6904) ## Why PR block#6330 split agent harness/runtime detection into a cheap (cache-only) path and a forced (spawning) path. Two regressions followed, both surfacing as every harness showing "(not installed)" / "CLI missing" across the agent create/edit picker, Agents > Agent defaults, and Settings > Agents — blocking agent create/edit until the user clicked Install in Settings > Agents. ## Root cause One underlying bug, two victims: - **Boot false-negative.** The resolve cache is in-memory, so it starts cold on every launch. `resolve_command_cached` (the cheap path) consulted only the Buzz-managed shim dirs plus that cold cache, and `buzz_managed_command_path`'s allowlist structurally excludes `buzz-agent`. The bundled sidecar could therefore never resolve on the cheap path until a forced pass warmed the cache, so cheap-path surfaces rendered all-missing at boot. App setup never warms the cache. - **"Check again" hang.** `run_in_login_shell` used an untimeouted `Command::output()`; a wedged login shell froze the whole forced pipeline, leaving "Check again" spinning forever. ## What - `resolve_command_cached` now also calls `resolve_workspace_command`, resolving the bundled sidecar via a filesystem stat (no spawn) — the same class of work the managed-shim check already performs. `buzz-agent` can no longer report missing, even inside the boot warm window. - New `discovery/bounded_command.rs` runs any discovery child under a hard wall-clock deadline, polling with `try_wait` rather than blocking on `wait()`. Stdout and stderr are piped to two drain threads whose buffers share an aggregate `CAPTURE_LIMIT`; a breach fails closed (kill the tree, return `None`), so a noisy or hostile probe can force neither unbounded memory nor disk fill. Tree teardown runs on every exit path — timeout, error, cap breach, *and* success — because a login-shell rc file or auth CLI can legitimately background a descendant that would otherwise outlive discovery. Ownership is deliberately asymmetric: - **Unix:** the child leads its own process group (`process_group(0)`); teardown is `SIGTERM` → bounded grace → `SIGKILL` on the group. A descendant that leaves the group (`setsid`/`setpgid`) while holding a pipe is not owned and may survive one probe, but can never hang or unbound the helper: the Unix drains read nonblocking and end on `WouldBlock` once teardown sets the stop flag, so the join returns promptly without waiting on an escaped writer's EOF. - **Windows:** the child is spawned `CREATE_SUSPENDED`, assigned to a kill-on-close Job Object while frozen, then resumed. The job owns the root before any descendant can exist and is created without breakaway, so no writer can escape — a hard whole-tree guarantee, and closing the job reaps the tree even after the root has exited. Any failure to create, assign, or resume is fail-closed: the child is terminated and reaped and the spawn returns `None` (discovery treats it as command-not-found) rather than running unowned. - Each login-shell candidate is bounded by a 10s timeout via that helper, falling through to the next candidate on timeout instead of aborting the resolve. The login-shell path cache is generation-aware: a probe that loses to a concurrent refresh or lands mid-refresh returns the authoritative cached value (or re-probes under the new generation) rather than its own rejected local result, so a losing thread can never settle the UI with a PATH-missing catalog while the cache holds a fresh success. - Warm the ACP runtime catalog once at `AppShell` mount and gate the cheap-path surfaces on that pass. A module-level boot-warm state (`idle` → `pending` → `settled`/`failed`, deduped per launch) lets `useAcpRuntimesQuery` present a cold catalog as *loading* while the first forced pass runs and as a *retryable error* (carrying the probe's real reason) if it fails, instead of blessing "every harness not installed" as authoritative. A non-empty catalog always wins, so a revalidation or later failure never blanks a good list; the gate only overlays once the warm has started, so onboarding (which renders before the warm) is unaffected. Deduping per launch also fixes the previous per-remount re-fire. ## Verification Unix teardown and the drain contract are runtime-proven by `#[ignore]`-free tests that record a backgrounded descendant's real PID and assert the helper returns promptly on both the success and timeout paths without blocking on that writer. The generation-aware login-shell cache is covered by deterministic tests through a `cfg(test)` injectable probe seam that assert the function's return value under both concurrent-refresh interleavings — the losing caller returns the peer's committed success, and a mid-probe refresh forces a re-probe to the fresh value. The Windows ownership contract has no CI lane, so `bounded_command.rs` carries two `#[ignore]`-gated tests (spawn/assign race, looped; and the timeout path) for a sanctioned run on a Windows host. The boot-warm gate is covered by unit tests for the pure overlay and the `startBootWarm` failure → retry → settle lifecycle. Origin: [Buzz thread](buzz://message?channel=5ef5d5bb-643f-4b87-bbf4-e8b64585ffeb&id=a4b1c4485de4d35cff0f914d4f4211c796f44f670e76de2ef9431f7e882c906e) Fixes block#6872 Related block#6662 --------- Signed-off-by: Will Pfleger <pfleger.will@gmail.com> Co-authored-by: Duncan <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@buzz.block.builderlab.xyz> * fix(composer): polish automatic mentions (block#6956) **Category:** improvement **User Impact:** Automatic mentions are easier to turn off and now behave consistently across conversations, settings, drafts, and repeated agent mentions. **Problem:** People found the new automatic mention behavior hard to control: turning it off in Settings did not reliably affect the composer, removing a mention could require also disabling the feature, and root/thread composers could inherit or restore surprising state. Other reported rough edges included only one of several mentioned agents becoming automatic, synthetic mentions leaking into drafts, restored mentions corrupting adjacent text, controls remaining visible in archived channels, and unclear picker feedback. See the [original feedback thread](buzz://message?channel=e62570dd-33ad-42c5-b92b-75f2689f9694&id=c949ec399274fbb0d6633da3f95712e843a67dcada214f63d72f6975b406604b). **Solution:** Polish the existing feature around the problems people encountered, keeping automatic mentions controllable and scoped to the active conversation. | Reported issue | UX fix | | --- | --- | | Turning automatic mentions off in Settings did not reliably update the composer. | The global setting and composer control stay synchronized, and disabling the feature does not clear typed text. | | Removing an automatic mention could require both deleting the mention and turning off the feature. | Removing or unchecking an agent excludes that agent for the current conversation, while explicitly re-adding the agent can restore automatic mention behavior. | | Root and thread composers could share or restore surprising selections. | Each root or thread composer keeps its own automatic audience and restores it when the user returns. A request to enable automatic mentions only in agent threads was considered; this PR keeps them available at the channel root but prevents state from leaking between the two. | | Mentioning multiple agents could leave only one saved as automatic. | Multi-agent selections remain represented in the automatic audience and restored mention chips. | | Automatic mention prefixes could be saved as if the user typed them. | Synthetic prefixes stay out of persisted drafts while authored text is preserved. | | Restored mentions could lose their separator and corrupt continued typing. | Restored multi-word mentions retain their trailing space and place the caret after it. | | Archived channels showed automatic-mention state beside a disabled composer. | Disabled composers hide automatic-mention controls while preserving the draft and restoring state when re-enabled. | | Confirmation and picker behavior made the feature feel difficult to inspect or adjust. | Confirmations dismiss with removed agents, remain open while hovered, and expose the setting before it changes; pin icons, contrast, scope copy, animation, and keyboard toggling are also clarified. | | Agent suggestions and membership state could shift during directory refreshes. | Suggestions and membership labels stay stable during refreshes, while send-time authorization still revalidates access. | ## Changes <details> <summary>File changes</summary> **desktop/src/features/agents/lib/agentAutocompleteEligibility.test.mjs** Adds coverage for the channel-roster eligibility rules used by agent mention autocomplete. **desktop/src/features/agents/lib/agentAutocompleteEligibility.ts** Aligns agent autocomplete eligibility with channel membership so available agents and their labels stay trustworthy. **desktop/src/features/channels/ui/MembersSidebar.tsx** Uses the shared member-pubkey logic when presenting and acting on channel members. **desktop/src/features/messages/lib/autoPinMentionedAgentsPreference.test.mjs** Covers preference changes that must remain stable while composer controls are toggled. **desktop/src/features/messages/lib/autoPinMentionedAgentsPreference.ts** Keeps the automatic-mention preference as durable user intent rather than transient composer state. **desktop/src/features/messages/lib/mentionMemberPubkeys.ts** Centralizes which member identities count as mentionable in the current channel. **desktop/src/features/messages/lib/persistentAgentAudience.test.mjs** Expands lifecycle coverage for persistent agent audiences, explicit exclusions, and restored mentions. **desktop/src/features/messages/lib/persistentAgentAudience.ts** Models automatic, explicit, and excluded agent audiences separately so user choices survive updates without leaking across composers. **desktop/src/features/messages/lib/stripImplicitAgentMentions.test.mjs** Verifies implicit automatic mentions are removed without damaging surrounding separators or authored content. **desktop/src/features/messages/lib/stripImplicitAgentMentions.ts** Strips presentation-only automatic mentions before draft persistence while preserving whitespace and authored text. **desktop/src/features/messages/lib/useMentions.ts** Routes mention insertion and removal through the composer-local audience lifecycle. **desktop/src/features/messages/lib/useRichTextEditor.ts** Preserves mention-chip structure and caret placement when automatic mentions are restored. **desktop/src/features/messages/ui/ComposerAddressControls.test.mjs** Updates control-state expectations for disabled automatic mentions and restored pin affordances. **desktop/src/features/messages/ui/ComposerAddressControls.tsx** Makes automatic-mention state, disabled presentation, and pin controls visually explicit. **desktop/src/features/messages/ui/MentionAutocomplete.test.mjs** Adds coverage for roster labels, pin state, and picker behavior after mention selection. **desktop/src/features/messages/ui/MentionAutocomplete.tsx** Keeps the shortcut picker open for repeated selection and restores visible automatic-mention pin indicators. **desktop/src/features/messages/ui/MessageComposer.tsx** Scopes automatic mention state to each root or thread composer and coordinates restoration, draft persistence, and sending. **desktop/src/features/messages/ui/MessageComposerToolbar.tsx** Passes the effective automatic-mention state into the toolbar presentation. **desktop/src/features/messages/ui/composerAgentKeyboard.test.mjs** Updates keyboard interaction coverage for toggling agents in place. **desktop/src/features/messages/ui/useAddressedAgentMentionRestore.ts** Restores automatic mention chips after lifecycle changes without moving or duplicating authored content. **desktop/src/features/messages/ui/useAgentAddressLockPicker.test.mjs** Substantially expands coverage for toggles, exclusions, synchronization, and picker dismissal rules. **desktop/src/features/messages/ui/useAgentAddressLockPicker.ts** Keeps the picker usable across repeated choices and preserves explicit per-agent intent while settings change. **desktop/src/features/messages/ui/useAlwaysAddressShortcut.ts** Makes the keyboard shortcut toggle the highlighted automatic audience choice without replacing unrelated selections. **desktop/src/features/messages/ui/useAutoPinMentionedAgents.ts** Owns composer-local automatic-mention lifecycle behavior, including restoration, exclusions, deletion, and disabled-state handling. **desktop/src/features/messages/ui/useComposerMentionPicker.test.mjs** Adds focused picker lifecycle coverage for selection, hover, and dismissal behavior. **desktop/src/features/messages/ui/useComposerMentionPicker.ts** Prevents premature picker dismissal while the user is interacting with its controls. **desktop/src/features/messages/ui/useDraftPersistSnapshot.ts** Persists only user-authored draft content rather than implicit automatic mention decorations. **desktop/src/shared/lib/keyboard-shortcuts.ts** Updates the automatic-mention shortcut description to match its toggle behavior. **desktop/src/testing/e2eBridge.ts** Extends the desktop test bridge with the state needed to exercise roster and automatic-mention transitions. **desktop/tests/e2e/mentions.spec.ts** Covers roster-based labels, managed-agent invitation, revocation, and recovery behavior in the complete mention flow. **desktop/tests/e2e/persistent-agent-audience.spec.ts** Adds end-to-end coverage for root/thread isolation, preference synchronization, manual exclusions, draft hygiene, restored chips, separators, hover behavior, and disabled presentation. </details> ## Reproduction Steps 1. Open a channel with at least two available agents and enable automatic mentions from the composer mention control. 2. Select multiple agents, remove or uncheck one, and confirm subsequent composer updates keep that agent excluded while the others remain automatic. 3. Open a thread, choose a different automatic audience there, and switch between the thread and root composer; confirm each composer retains only its own choices. 4. Disable automatic mentions and confirm the draft text remains unchanged while automatic chips and controls show the disabled state; re-enable the setting and confirm eligible automatic chips return. 5. Delete an automatic mention chip, then explicitly add the agent again; confirm it immediately returns as an automatic mention without disturbing spaces or the caret, including for a multi-word name. 6. Reload with a saved draft and confirm implicit automatic mentions were not persisted as authored draft text. 7. Use the automatic-mention keyboard shortcut and picker repeatedly; confirm the picker remains open for additional choices and the highlighted agent toggles in place. ## Validation Validated at `34d208b47d64a9816f88e10a46bcfd479e917d75` after rebasing onto `origin/main` (`69096c9a8`): - Desktop unit tests: 5,731 passed, 0 failed. - Desktop TypeScript typecheck: passed. - Desktop E2E build: passed; emitted only existing chunk and dynamic-import warnings. - `pnpm check`: exited successfully; 4 warnings and 5 informational findings are in unrelated files introduced by current main. ## Screenshots/Demos The behavioral changes are covered by the focused desktop E2E scenarios above. Screenshots can be attached from the screenshot-producing automatic-mention E2E after the PR is created. --------- Signed-off-by: Taylor Ho <taylorkmho@gmail.com> Signed-off-by: morgmart <98432065+morgmart@users.noreply.github.com> Co-authored-by: Carl <acda9e433d19dcd0e6b6840f7f4b98f3a56f1fab98049d444c087019e6d36560@buzz.block.builderlab.xyz> Co-authored-by: Rizz <302abe414ca6e3134763d2539bfcf145aea2a63fe5f8455204ed602fd40cf381@buzz.block.builderlab.xyz> Co-authored-by: morgmart <98432065+morgmart@users.noreply.github.com> * fix(desktop): surface channel history load failures (block#7013) ## Summary A failed initial channel-history request no longer appears as an authoritative empty channel. The timeline now shows an announced error with a Retry action, while cached messages remain visible when a later refresh fails; successful empty channels continue to use their normal intro state. ### Related issue None found. ### Testing - Full desktop unit suite (`pnpm test`) - Desktop TypeScript check (`pnpm exec tsc --noEmit`) - Biome checks for changed files - Repository file-size ratchet - Full pre-push desktop checks and tests - Desktop app launched successfully against local Postgres and Redis for manual testing No screenshot is included because the new UI is only shown after a terminal relay-history failure; the regression test pins the error/empty/list precedence directly. --------- Signed-off-by: Thomas Petersen <thomasp@squareup.com> * feat(buzz-agent): surface stop reason and silent-turn WARN in telemetry (block#7038) ## What Two telemetry additions to make a known silent-death failure mode visible in harness logs. **1. `stop` field on `llm: call completed` INFO** (`crates/buzz-agent/src/llm.rs`) The `ProviderStop` value was already parsed and stored on `LlmResponse` but never emitted in the log line. Without it, "model chose `end_turn`" vs "gateway truncated/refused" is indistinguishable from telemetry alone. **2. WARN on silent-turn signature** (`crates/buzz-agent/src/agent.rs`) Emits a `WARN` when a turn produces no publish, no visible assistant text, and either near-zero or absent output tokens. The WARN logic is extracted into `warn_if_silent_turn` (pure synchronous function) so the seam is testable without the async run loop. Three independent gates before the WARN fires: 1. **`!buzz_reply_call_seen`** — no publish attempt in any round, tracked unconditionally via the existing `is_buzz_reply_call` matcher. Read-only tool calls do NOT suppress the WARN; a turn that ran tools but never published and died at 3 tokens is still a silent death. 2. **`text_is_empty`** — no visible assistant text in the final round. A terse reply like "OK" (≤12 tokens, non-empty) is not a silent death. 3. **Token check** — two distinct WARN messages: - `Some(t) where t <= 12`: near-zero token count, the observed failure signature (2–12 tokens) - `None` usage: provider omitted token counts entirely, separately diagnostic Tests use a scoped `tracing_subscriber` layer (same pattern as the existing stall-warn tests in `llm.rs`) to exercise the WARN seam directly: - Canonical signature (no publish, no text, 4 tokens) → 1 WARN - Non-empty assistant text → 0 WARNs - Publish seen → 0 WARNs - `None` usage (no publish, no text) → 1 WARN ## Why Recurring silent-death incident in a specific agent×channel combination: sessions die with 1 LLM call, 2–12 output tokens, no tool calls, no message, no error — recorded as a "successful" turn. The harness log shows the token count but not the `stop_reason`, leaving the root cause undiagnosable without request-level tracing. The observed shape also includes tool-step-then-3-token-death (one tool call, then silence) — the publish-aware gate catches both shapes. Context thread: buzz://message?channel=91fd9ca1-cf04-4ef7-b18f-aa2aee55692b&id=e3f1693f2e29f26a0c840f8054d592270c1504beacdc1d9c2063d8ab82960a06 ## Scope Logging and telemetry only. No behavior change, no retry-logic change, no stop-reason mapping change. --------- Signed-off-by: Will Pfleger <pfleger.will@gmail.com> Co-authored-by: Duncan <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@buzz.block.builderlab.xyz> * fix(aeon): preserve worker process-group policy Signed-off-by: StephGlansberg <StephGlansberg@users.noreply.github.com> --------- Signed-off-by: Tom Brow <tomb@squareup.com> Signed-off-by: Tom Brow <tomb@block.xyz> Signed-off-by: Wes <wesbillman@users.noreply.github.com> Signed-off-by: Will Pfleger <pfleger.will@gmail.com> Signed-off-by: Taylor Ho <taylorkmho@gmail.com> Signed-off-by: morgmart <98432065+morgmart@users.noreply.github.com> Signed-off-by: Thomas Petersen <thomasp@squareup.com> Signed-off-by: StephGlansberg <StephGlansberg@users.noreply.github.com> Co-authored-by: Tom Brow <tomb@block.xyz> Co-authored-by: Tom Brow <tomb@squareup.com> Co-authored-by: Codex <noreply@openai.com> Co-authored-by: Jordan Mecom <jm@squareup.com> Co-authored-by: Wes <wesbillman@users.noreply.github.com> Co-authored-by: Pinky <5f5ab050ec58ae208332edd544ebf705221e24c1b86d82a6ca07038a7a8f6ac9@buzz.block.builderlab.xyz> Co-authored-by: Brain <1a02c72794dcd0f07058a353bc3a81f4028b8c77c92c87fce6d5c8b85970a20b@buzz.block.builderlab.xyz> Co-authored-by: Carl <9d00794d3df50972eb8b615511783cab12a77a8fd5dd5edd58073ec73b54bd8b@buzz.block.builderlab.xyz> Co-authored-by: Will Pfleger <pfleger.will@gmail.com> Co-authored-by: Duncan <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@buzz.block.builderlab.xyz> Co-authored-by: Taylor Ho <taylorkmho@gmail.com> Co-authored-by: Carl <acda9e433d19dcd0e6b6840f7f4b98f3a56f1fab98049d444c087019e6d36560@buzz.block.builderlab.xyz> Co-authored-by: Rizz <302abe414ca6e3134763d2539bfcf145aea2a63fe5f8455204ed602fd40cf381@buzz.block.builderlab.xyz> Co-authored-by: morgmart <98432065+morgmart@users.noreply.github.com> Co-authored-by: thomaspblock <thomasp@squareup.com> Co-authored-by: StephGlansberg <StephGlansberg@users.noreply.github.com>

* origin/main: (32 commits) fix(acp): wake agents from workflow messages (#6953) feat: render agent avatars as squircles (#7106) fix(ci): salvage Codex review output on PTY-shutdown hang (#7042) fix: retrieving cold memories; add regression task (#6950) Enforce NIP-OA authorization time bounds (#7004) feat(db): configurable writer session timeouts (lock, idle-txn, statement) (#6229) feat(desktop): use segmented controls for channel creation (#6845) feat(buzz-agent): surface stop reason and silent-turn WARN in telemetry (#7038) fix(desktop): surface channel history load failures (#7013) fix(composer): polish automatic mentions (#6956) fix(desktop): resolve bundled sidecar on cheap path and bound login-shell spawns (#6904) perf(mobile): reduce cold startup and channel rendering delays (#6996) feat(mobile): push notifications MVP (#6269) refactor(db): extract domain stores from database runtime (#6987) feat(desktop): add team sharing to community catalog (#3995) Refresh mobile utility surfaces and theme picker (#6944) fix(desktop): complete project empty and context states (#6980) Fix mobile jump-to-latest flicker (#6807) refactor(relay): NIP-98 admin auth with Operator/Moderator roles and NIP-11 discovery (#3777) refactor(db): split channel membership store (#6782) ... Signed-off-by: Carl <1f967df5817845a2a5d74c82ac3098dea0bb7342665352af6643c5ac5c878dd3@buzz.block.builderlab.xyz> # Conflicts: # desktop/src/features/channels/ui/ChannelPane.tsx

…n-surface * origin/main: fix(desktop): back split thread headers (#7137) add public descriptions to agent personas (#7126) feat(desktop): add protected-build Bestie experiment (#6902) fix(relay): reject a frame on its own acknowledgement channel (#6961) fix(acp): wake agents from workflow messages (#6953) feat: render agent avatars as squircles (#7106) fix(ci): salvage Codex review output on PTY-shutdown hang (#7042) fix: retrieving cold memories; add regression task (#6950) Enforce NIP-OA authorization time bounds (#7004) feat(db): configurable writer session timeouts (lock, idle-txn, statement) (#6229) feat(desktop): use segmented controls for channel creation (#6845) feat(buzz-agent): surface stop reason and silent-turn WARN in telemetry (#7038) fix(desktop): surface channel history load failures (#7013) fix(composer): polish automatic mentions (#6956) fix(desktop): resolve bundled sidecar on cheap path and bound login-shell spawns (#6904) perf(mobile): reduce cold startup and channel rendering delays (#6996) feat(mobile): push notifications MVP (#6269) Signed-off-by: Duncan <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@buzz.block.builderlab.xyz>

…n-surface * origin/main: docs: add review-proven failure-path & async-state rules to AGENTS.md (#7061) fix(desktop): back split thread headers (#7137) add public descriptions to agent personas (#7126) feat(desktop): add protected-build Bestie experiment (#6902) fix(relay): reject a frame on its own acknowledgement channel (#6961) fix(acp): wake agents from workflow messages (#6953) feat: render agent avatars as squircles (#7106) fix(ci): salvage Codex review output on PTY-shutdown hang (#7042) fix: retrieving cold memories; add regression task (#6950) Enforce NIP-OA authorization time bounds (#7004) feat(db): configurable writer session timeouts (lock, idle-txn, statement) (#6229) feat(desktop): use segmented controls for channel creation (#6845) feat(buzz-agent): surface stop reason and silent-turn WARN in telemetry (#7038) fix(desktop): surface channel history load failures (#7013) fix(composer): polish automatic mentions (#6956) fix(desktop): resolve bundled sidecar on cheap path and bound login-shell spawns (#6904) perf(mobile): reduce cold startup and channel rendering delays (#6996) feat(mobile): push notifications MVP (#6269) Signed-off-by: Duncan <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@buzz.block.builderlab.xyz>

…bound-membership * origin/main: (32 commits) fix(model-capabilities): humanize databricks goose model names (#7135) feat(db): add NIP-FI identity and final-admission schema foundation (#6994) feat(buzz-acp): give each channel thread its own agent session (#6732) docs: add review-proven failure-path & async-state rules to AGENTS.md (#7061) fix(desktop): back split thread headers (#7137) add public descriptions to agent personas (#7126) feat(desktop): add protected-build Bestie experiment (#6902) fix(relay): reject a frame on its own acknowledgement channel (#6961) fix(acp): wake agents from workflow messages (#6953) feat: render agent avatars as squircles (#7106) fix(ci): salvage Codex review output on PTY-shutdown hang (#7042) fix: retrieving cold memories; add regression task (#6950) Enforce NIP-OA authorization time bounds (#7004) feat(db): configurable writer session timeouts (lock, idle-txn, statement) (#6229) feat(desktop): use segmented controls for channel creation (#6845) feat(buzz-agent): surface stop reason and silent-turn WARN in telemetry (#7038) fix(desktop): surface channel history load failures (#7013) fix(composer): polish automatic mentions (#6956) fix(desktop): resolve bundled sidecar on cheap path and bound login-shell spawns (#6904) perf(mobile): reduce cold startup and channel rendering delays (#6996) ... Signed-off-by: Storme Drone <49c46e84758b2ebff4abf5abbbd44ee4ce788fc3b55db9fa703eec124eead621@buzz.block.builderlab.xyz> # Conflicts: # desktop/src/testing/e2eBridge.ts

## Summary Inline code on mobile renders as **bold body text on a faint background wash** — no monospace face, no chip, and it cannot wrap. #5257 diagnosed this as a missing `highlightBuilder`. That is no longer the right fix. `gpt_markdown` 1.2.0 deprecates `highlightBuilder` (removal in 2.0.0), renders inline code as a real chip, and adds `InlineCodeStyle` for restyling it. The package author confirmed this on the issue. So this PR is an upgrade — 1.1.6 → 1.2.1 — plus one theme declaration, rather than the builder the issue originally asked for. **Where the style is declared.** `GptMarkdownThemeData` goes in `AppTheme._buildTheme`, which both `light()` and `dark()` call. That reaches all four `GptMarkdown` call sites — `message_content`, `transcript_item_widget`, `token_pill`, `custom_emoji_render` — so the style is stated once instead of per widget. A widget-level `inlineCodeStyle` would have covered channel messages only, leaving the other three on the package's defaults. **What is declared.** Face, size, ink, chip fill and outline — not the face alone. A face name on its own leaves the rest on the package's defaults, which put inline code at 14.1sp beside a fenced block's 13, on a neutral `onSurface` tint rather than the app's code surface. In dark that tint is *lighter* than the surface, while every other code surface in the app is recessed, so the chip read as a different kind of object. All of it now comes from one `CodeStyle` declaration that the fenced block reads from too, so the two cannot be edited apart. **Three adaptations the upgrade requires.** Each was found by running the gate, not by reading the changelog: 1. **`imageBuilder` widened** to `(context, url, width, height)`. This is a hard compile error, and it is **not listed in the package's migration guide**, which states "nothing here stops code compiling". Worth reporting upstream. 2. **`autolink` now defaults to `true`.** `normalizeBareLinks()` already rewrites bare URLs into Markdown links before rendering, so both would run. `message_content` opts out with `autolink: false` to keep current behaviour exactly. The migration guide argues for dropping the pre-processor instead — a better fix, but a behavioural change that belongs in its own PR. 3. **`gpt_markdown.dart` now re-exports `markdown_config.dart`**, making two direct imports redundant. `flutter analyze` reports `No issues found!` on 1.1.6 and flags both on 1.2.1, so these warnings are new, not pre-existing. **Deliberately out of scope.** The three non-message call sites now autolink bare URLs, since only `message_content` has a pre-processor to collide with. Custom inline components (`_MentionMd`, `CustomEmojiMd`, `_ChannelLinkMd`) could additionally declare `allScopesExceptLinkLabel` — 1.2.0 offers it as the fix for a `WidgetSpan` chip going blank inside a link label on iOS — but current behaviour is unchanged without it, so that stays a separate change. ### Related issue Fixes #5257 Duplicate scan: searched `gpt_markdown`, `inline code mobile`, `highlightBuilder` and `InlineCodeStyle` across both PRs and issues. No open PR touches inline code styling. #6135 (link labels) and #6166 (text selection) also touch mobile Markdown but address different defects. ### Testing Full gate, `just ci` — exit 0: | Stage | Result | |---|---| | Rust (33 suites) | 4768 passed, 0 failed | | Desktop | 5799 passed, 0 failed | | Mobile | **2011 passed**, 0 failed | | `flutter analyze` | `No issues found!` | | Desktop + web build | ok | Run on the branch with `main` merged in, so these numbers match what CI builds. **New regression test** — `renders inline code in the app code style`. It resolves the `CodeTextSpan` the package tags inline code with, which carries both the resolved `TextStyle` and the colours the chip behind it is painted with, so face, size, ink, fill and outline are all asserted rather than a widget's presence. It is negative-controlled: reverting only the theme declaration fails it with ```text Expected: a numeric value within <0.001> of <13.0> Actual: <14.1> ``` and dropping the declaration entirely falls back to `packages/gpt_markdown/JetBrainsMono` — so the test measures the real thing, and it would catch a future regression that silently drops the theme extension. The test passes `baseStyle: messageBodyTextStyle`, the style the message surfaces actually use; the widget's own fallback is the smaller `bodyMedium`, which would move the expected size. The test finds paragraphs with `find.byWidgetPredicate((widget) => widget is RichText)`, not `find.byType(RichText)`: inline code renders through `BidiRichText`, a `RichText` subclass, and `byType` matches exact runtime types. That is a hazard for any test that reads text back out of a paragraph, and one landed after this branch was cut: `message_content_custom_emoji_test.dart` arrived with #6996 and its `code keeps literal emoji while adjacent known tokens render` case reads a code span through `find.byType(RichText)`. It passes on `main` and fails on the merge result, which is what CI builds, so it went red only once CI was authorized. It now uses the same predicate. The two other `byType(RichText)` call sites — the rest of that file and `message_author_meta_test.dart` — were re-run and pass: their content carries no code span, so the exact type still matches. They were left alone. ### Screenshots Rendered through the real `MessageContent` widget with the app's own fonts loaded, at 390pt wide, 3x DPR. Sample text: ``Set `BUZZ_RELAY_URL` before launch, then run `just mobile-test` to verify.`` | | Before (1.1.6) | After (1.2.1) | |---|---|---| | Light | ![before-inline-code-light](https://raw.githubusercontent.com/TolgaCinisli/buzz/2d2d846291416d9b32d3fb9cfead950bcc4fe123/pr-6631--before-inline-code-light.png) | ![after-inline-code-light](https://raw.githubusercontent.com/TolgaCinisli/buzz/f230b95c7260a32bd5d76b1ac42130720a168521/pr-6631--after-inline-code-light.png) | | Dark | ![before-inline-code-dark](https://raw.githubusercontent.com/TolgaCinisli/buzz/2d2d846291416d9b32d3fb9cfead950bcc4fe123/pr-6631--before-inline-code-dark.png) | ![after-inline-code-dark](https://raw.githubusercontent.com/TolgaCinisli/buzz/f230b95c7260a32bd5d76b1ac42130720a168521/pr-6631--after-inline-code-dark.png) | Before: bold Inter on a flat wash, no chip edge, and `just mobile-test` breaks across the line with the wash simply ending. After: Geist Mono in a bordered, rounded chip, and the wrapped fragment gets its own chip on each line. --------- Signed-off-by: Tolga Cinisli <tolgacinisli@gmail.com> Co-authored-by: Tolga Cinisli <tolgacinisli@gmail.com>

* fix(mobile): style inline code with the app mono face (block#6631) ## Summary Inline code on mobile renders as **bold body text on a faint background wash** — no monospace face, no chip, and it cannot wrap. block#5257 diagnosed this as a missing `highlightBuilder`. That is no longer the right fix. `gpt_markdown` 1.2.0 deprecates `highlightBuilder` (removal in 2.0.0), renders inline code as a real chip, and adds `InlineCodeStyle` for restyling it. The package author confirmed this on the issue. So this PR is an upgrade — 1.1.6 → 1.2.1 — plus one theme declaration, rather than the builder the issue originally asked for. **Where the style is declared.** `GptMarkdownThemeData` goes in `AppTheme._buildTheme`, which both `light()` and `dark()` call. That reaches all four `GptMarkdown` call sites — `message_content`, `transcript_item_widget`, `token_pill`, `custom_emoji_render` — so the style is stated once instead of per widget. A widget-level `inlineCodeStyle` would have covered channel messages only, leaving the other three on the package's defaults. **What is declared.** Face, size, ink, chip fill and outline — not the face alone. A face name on its own leaves the rest on the package's defaults, which put inline code at 14.1sp beside a fenced block's 13, on a neutral `onSurface` tint rather than the app's code surface. In dark that tint is *lighter* than the surface, while every other code surface in the app is recessed, so the chip read as a different kind of object. All of it now comes from one `CodeStyle` declaration that the fenced block reads from too, so the two cannot be edited apart. **Three adaptations the upgrade requires.** Each was found by running the gate, not by reading the changelog: 1. **`imageBuilder` widened** to `(context, url, width, height)`. This is a hard compile error, and it is **not listed in the package's migration guide**, which states "nothing here stops code compiling". Worth reporting upstream. 2. **`autolink` now defaults to `true`.** `normalizeBareLinks()` already rewrites bare URLs into Markdown links before rendering, so both would run. `message_content` opts out with `autolink: false` to keep current behaviour exactly. The migration guide argues for dropping the pre-processor instead — a better fix, but a behavioural change that belongs in its own PR. 3. **`gpt_markdown.dart` now re-exports `markdown_config.dart`**, making two direct imports redundant. `flutter analyze` reports `No issues found!` on 1.1.6 and flags both on 1.2.1, so these warnings are new, not pre-existing. **Deliberately out of scope.** The three non-message call sites now autolink bare URLs, since only `message_content` has a pre-processor to collide with. Custom inline components (`_MentionMd`, `CustomEmojiMd`, `_ChannelLinkMd`) could additionally declare `allScopesExceptLinkLabel` — 1.2.0 offers it as the fix for a `WidgetSpan` chip going blank inside a link label on iOS — but current behaviour is unchanged without it, so that stays a separate change. ### Related issue Fixes block#5257 Duplicate scan: searched `gpt_markdown`, `inline code mobile`, `highlightBuilder` and `InlineCodeStyle` across both PRs and issues. No open PR touches inline code styling. block#6135 (link labels) and block#6166 (text selection) also touch mobile Markdown but address different defects. ### Testing Full gate, `just ci` — exit 0: | Stage | Result | |---|---| | Rust (33 suites) | 4768 passed, 0 failed | | Desktop | 5799 passed, 0 failed | | Mobile | **2011 passed**, 0 failed | | `flutter analyze` | `No issues found!` | | Desktop + web build | ok | Run on the branch with `main` merged in, so these numbers match what CI builds. **New regression test** — `renders inline code in the app code style`. It resolves the `CodeTextSpan` the package tags inline code with, which carries both the resolved `TextStyle` and the colours the chip behind it is painted with, so face, size, ink, fill and outline are all asserted rather than a widget's presence. It is negative-controlled: reverting only the theme declaration fails it with ```text Expected: a numeric value within <0.001> of <13.0> Actual: <14.1> ``` and dropping the declaration entirely falls back to `packages/gpt_markdown/JetBrainsMono` — so the test measures the real thing, and it would catch a future regression that silently drops the theme extension. The test passes `baseStyle: messageBodyTextStyle`, the style the message surfaces actually use; the widget's own fallback is the smaller `bodyMedium`, which would move the expected size. The test finds paragraphs with `find.byWidgetPredicate((widget) => widget is RichText)`, not `find.byType(RichText)`: inline code renders through `BidiRichText`, a `RichText` subclass, and `byType` matches exact runtime types. That is a hazard for any test that reads text back out of a paragraph, and one landed after this branch was cut: `message_content_custom_emoji_test.dart` arrived with block#6996 and its `code keeps literal emoji while adjacent known tokens render` case reads a code span through `find.byType(RichText)`. It passes on `main` and fails on the merge result, which is what CI builds, so it went red only once CI was authorized. It now uses the same predicate. The two other `byType(RichText)` call sites — the rest of that file and `message_author_meta_test.dart` — were re-run and pass: their content carries no code span, so the exact type still matches. They were left alone. ### Screenshots Rendered through the real `MessageContent` widget with the app's own fonts loaded, at 390pt wide, 3x DPR. Sample text: ``Set `BUZZ_RELAY_URL` before launch, then run `just mobile-test` to verify.`` | | Before (1.1.6) | After (1.2.1) | |---|---|---| | Light | ![before-inline-code-light](https://raw.githubusercontent.com/TolgaCinisli/buzz/2d2d846291416d9b32d3fb9cfead950bcc4fe123/pr-6631--before-inline-code-light.png) | ![after-inline-code-light](https://raw.githubusercontent.com/TolgaCinisli/buzz/f230b95c7260a32bd5d76b1ac42130720a168521/pr-6631--after-inline-code-light.png) | | Dark | ![before-inline-code-dark](https://raw.githubusercontent.com/TolgaCinisli/buzz/2d2d846291416d9b32d3fb9cfead950bcc4fe123/pr-6631--before-inline-code-dark.png) | ![after-inline-code-dark](https://raw.githubusercontent.com/TolgaCinisli/buzz/f230b95c7260a32bd5d76b1ac42130720a168521/pr-6631--after-inline-code-dark.png) | Before: bold Inter on a flat wash, no chip edge, and `just mobile-test` breaks across the line with the wash simply ending. After: Geist Mono in a bordered, rounded chip, and the wrapped fragment gets its own chip on each line. --------- Signed-off-by: Tolga Cinisli <tolgacinisli@gmail.com> Co-authored-by: Tolga Cinisli <tolgacinisli@gmail.com> * fix(buzz-acp): wake held ACP threads and fence forked sessions (block#7340) ## Summary Adds an independent deadline wakeup so held thread work dispatches after its 10-second bound even when the relay loop is otherwise quiet. Fences session ownership by generation so a worker returning after a fork cannot make an older provider session claimable again. This follows up on the two post-merge findings from [block#7337](block#7337 (review)). ### Related issue Follow-up to block#7337. ### Testing - `cargo test -p buzz-acp` - `cargo clippy -p buzz-acp --all-targets -- -D warnings` - Pre-push file-size, differential Rust test, and desktop Tauri gates No UI changes. --- **Update Sep 4, 15:35:** Addressed both Codex review findings. - Queue-cap eviction now prunes orphaned hold deadlines. - An expired hold stays expired until a worker is successfully claimed. - Hold timers remain disabled while every worker is busy; worker return wakes dispatch directly. - Added regressions for queue eviction and pool exhaustion. Generated with Codex --------- Signed-off-by: Salman Mohammed <smohammed@squareup.com> --------- Signed-off-by: Tolga Cinisli <tolgacinisli@gmail.com> Signed-off-by: Salman Mohammed <smohammed@squareup.com> Co-authored-by: TolgaCinisli <tolga.cinisli@photier.com> Co-authored-by: Tolga Cinisli <tolgacinisli@gmail.com> Co-authored-by: Salman Mohammed <smohammed@squareup.com>

* fix(mobile): style inline code with the app mono face (#6631) ## Summary Inline code on mobile renders as **bold body text on a faint background wash** — no monospace face, no chip, and it cannot wrap. #5257 diagnosed this as a missing `highlightBuilder`. That is no longer the right fix. `gpt_markdown` 1.2.0 deprecates `highlightBuilder` (removal in 2.0.0), renders inline code as a real chip, and adds `InlineCodeStyle` for restyling it. The package author confirmed this on the issue. So this PR is an upgrade — 1.1.6 → 1.2.1 — plus one theme declaration, rather than the builder the issue originally asked for. **Where the style is declared.** `GptMarkdownThemeData` goes in `AppTheme._buildTheme`, which both `light()` and `dark()` call. That reaches all four `GptMarkdown` call sites — `message_content`, `transcript_item_widget`, `token_pill`, `custom_emoji_render` — so the style is stated once instead of per widget. A widget-level `inlineCodeStyle` would have covered channel messages only, leaving the other three on the package's defaults. **What is declared.** Face, size, ink, chip fill and outline — not the face alone. A face name on its own leaves the rest on the package's defaults, which put inline code at 14.1sp beside a fenced block's 13, on a neutral `onSurface` tint rather than the app's code surface. In dark that tint is *lighter* than the surface, while every other code surface in the app is recessed, so the chip read as a different kind of object. All of it now comes from one `CodeStyle` declaration that the fenced block reads from too, so the two cannot be edited apart. **Three adaptations the upgrade requires.** Each was found by running the gate, not by reading the changelog: 1. **`imageBuilder` widened** to `(context, url, width, height)`. This is a hard compile error, and it is **not listed in the package's migration guide**, which states "nothing here stops code compiling". Worth reporting upstream. 2. **`autolink` now defaults to `true`.** `normalizeBareLinks()` already rewrites bare URLs into Markdown links before rendering, so both would run. `message_content` opts out with `autolink: false` to keep current behaviour exactly. The migration guide argues for dropping the pre-processor instead — a better fix, but a behavioural change that belongs in its own PR. 3. **`gpt_markdown.dart` now re-exports `markdown_config.dart`**, making two direct imports redundant. `flutter analyze` reports `No issues found!` on 1.1.6 and flags both on 1.2.1, so these warnings are new, not pre-existing. **Deliberately out of scope.** The three non-message call sites now autolink bare URLs, since only `message_content` has a pre-processor to collide with. Custom inline components (`_MentionMd`, `CustomEmojiMd`, `_ChannelLinkMd`) could additionally declare `allScopesExceptLinkLabel` — 1.2.0 offers it as the fix for a `WidgetSpan` chip going blank inside a link label on iOS — but current behaviour is unchanged without it, so that stays a separate change. ### Related issue Fixes #5257 Duplicate scan: searched `gpt_markdown`, `inline code mobile`, `highlightBuilder` and `InlineCodeStyle` across both PRs and issues. No open PR touches inline code styling. #6135 (link labels) and #6166 (text selection) also touch mobile Markdown but address different defects. ### Testing Full gate, `just ci` — exit 0: | Stage | Result | |---|---| | Rust (33 suites) | 4768 passed, 0 failed | | Desktop | 5799 passed, 0 failed | | Mobile | **2011 passed**, 0 failed | | `flutter analyze` | `No issues found!` | | Desktop + web build | ok | Run on the branch with `main` merged in, so these numbers match what CI builds. **New regression test** — `renders inline code in the app code style`. It resolves the `CodeTextSpan` the package tags inline code with, which carries both the resolved `TextStyle` and the colours the chip behind it is painted with, so face, size, ink, fill and outline are all asserted rather than a widget's presence. It is negative-controlled: reverting only the theme declaration fails it with ```text Expected: a numeric value within <0.001> of <13.0> Actual: <14.1> ``` and dropping the declaration entirely falls back to `packages/gpt_markdown/JetBrainsMono` — so the test measures the real thing, and it would catch a future regression that silently drops the theme extension. The test passes `baseStyle: messageBodyTextStyle`, the style the message surfaces actually use; the widget's own fallback is the smaller `bodyMedium`, which would move the expected size. The test finds paragraphs with `find.byWidgetPredicate((widget) => widget is RichText)`, not `find.byType(RichText)`: inline code renders through `BidiRichText`, a `RichText` subclass, and `byType` matches exact runtime types. That is a hazard for any test that reads text back out of a paragraph, and one landed after this branch was cut: `message_content_custom_emoji_test.dart` arrived with #6996 and its `code keeps literal emoji while adjacent known tokens render` case reads a code span through `find.byType(RichText)`. It passes on `main` and fails on the merge result, which is what CI builds, so it went red only once CI was authorized. It now uses the same predicate. The two other `byType(RichText)` call sites — the rest of that file and `message_author_meta_test.dart` — were re-run and pass: their content carries no code span, so the exact type still matches. They were left alone. ### Screenshots Rendered through the real `MessageContent` widget with the app's own fonts loaded, at 390pt wide, 3x DPR. Sample text: ``Set `BUZZ_RELAY_URL` before launch, then run `just mobile-test` to verify.`` | | Before (1.1.6) | After (1.2.1) | |---|---|---| | Light | ![before-inline-code-light](https://raw.githubusercontent.com/TolgaCinisli/buzz/2d2d846291416d9b32d3fb9cfead950bcc4fe123/pr-6631--before-inline-code-light.png) | ![after-inline-code-light](https://raw.githubusercontent.com/TolgaCinisli/buzz/f230b95c7260a32bd5d76b1ac42130720a168521/pr-6631--after-inline-code-light.png) | | Dark | ![before-inline-code-dark](https://raw.githubusercontent.com/TolgaCinisli/buzz/2d2d846291416d9b32d3fb9cfead950bcc4fe123/pr-6631--before-inline-code-dark.png) | ![after-inline-code-dark](https://raw.githubusercontent.com/TolgaCinisli/buzz/f230b95c7260a32bd5d76b1ac42130720a168521/pr-6631--after-inline-code-dark.png) | Before: bold Inter on a flat wash, no chip edge, and `just mobile-test` breaks across the line with the wash simply ending. After: Geist Mono in a bordered, rounded chip, and the wrapped fragment gets its own chip on each line. --------- Signed-off-by: Tolga Cinisli <tolgacinisli@gmail.com> Co-authored-by: Tolga Cinisli <tolgacinisli@gmail.com> * fix(buzz-acp): wake held ACP threads and fence forked sessions (#7340) ## Summary Adds an independent deadline wakeup so held thread work dispatches after its 10-second bound even when the relay loop is otherwise quiet. Fences session ownership by generation so a worker returning after a fork cannot make an older provider session claimable again. This follows up on the two post-merge findings from [#7337](https://github.com/block/buzz/pull/7337#pullrequestreview-5116329341). ### Related issue Follow-up to #7337. ### Testing - `cargo test -p buzz-acp` - `cargo clippy -p buzz-acp --all-targets -- -D warnings` - Pre-push file-size, differential Rust test, and desktop Tauri gates No UI changes. --- **Update Sep 4, 15:35:** Addressed both Codex review findings. - Queue-cap eviction now prunes orphaned hold deadlines. - An expired hold stays expired until a worker is successfully claimed. - Hold timers remain disabled while every worker is busy; worker return wakes dispatch directly. - Added regressions for queue eviction and pool exhaustion. Generated with Codex --------- Signed-off-by: Salman Mohammed <smohammed@squareup.com> * fix(agent): route GPT-5+ model-service FQNs to Responses (#7358) ## Summary Route Databricks Unity Catalog model services to OpenAI Responses when their service name matches GPT-5 or newer. These models can reject tools plus reasoning on Chat Completions. Match only the service component, using the existing family-token boundaries and a numeric major version. Catalog and schema names cannot select the protocol. Keep neutral effort capabilities and the full model ID unchanged; other services still use MLflow Chat Completions. Keep the Rust and desktop resolvers in sync, add shared boundary cases and a captured-HTTP regression for completion and summarization, and update the documented FQN rule. ### Related issue No duplicate found in searches for “FQN responses” PRs or “astra” issues. Related: #6918 introduced Unity Catalog discovery. Originating conversation: buzz://message?channel=0b881928-a3a6-4c01-b981-8e64268f01ce&id=770949343bc96a9ed88acd90a1b37d358a0efc52c79237d0fdb491ce02b8d4ed ### Testing No live Databricks inference test. The gateway must accept the full model-service ID on its OpenAI Responses route; this remains the integration risk. The local `just ci` attempt exceeded its five-minute deadline during `mobile-check`, so the full repository gate was not completed. All push-hook checks passed. Generated with Codex Signed-off-by: Fizz <400e8babadcee6a7f420103f10a2849d84c4a9c71d5bd04f3948c814216648a3@buzz.block.builderlab.xyz> Co-authored-by: Fizz <400e8babadcee6a7f420103f10a2849d84c4a9c71d5bd04f3948c814216648a3@buzz.block.builderlab.xyz> * feat(mesh): upgrade to mesh-llm 0.76.0-rc8 and recommend Qwen3.8 27B (#6189) Upgrades Buzz's mesh-llm dependencies through the released `v0.76.0-rc8` tag (`2040765d`), including the Qwen3.8 curated recommendation and rc8's scheduler/runtime improvements. **Scope note:** the earlier open-relay/unenforced-admission mode has been removed from this PR at Mic's direction — it is not a product mode we want. Mesh admission remains roster/allowlist driven, exactly as on `main`: on a relay with no NIP-43 membership snapshot the mesh runs self-only. No NIP-11 mode probing, no mode-transition restarts. A future perimeter/admission strategy for open relays will be designed separately. This PR also: - seeds `BUZZ_AGENT_LLM_TIMEOUT_SECS=660` for mesh agents, above MeshLLM's 600-second backend timeout; - makes `desktop-tauri-clippy` lint both default and `mesh-llm` cfg graphs; - runs the feature-enabled desktop test suite in CI; - recommends Qwen3.8 27B Q4_K_M for 64 GB-and-larger machines, then ladders down through Gemma 4 E4B and Qwen 9B for smaller machines; - keeps stored shared-compute `auto` translated to MeshLLM's supported wire model `mesh`. RC8 verification: - `just ci` passed locally at `92ecc7ec933bdd4df804cc9f28a2b51efa5313c5`. - Pre-push differential gates passed, including both desktop Tauri cfg graphs and package tests. - A prior isolated runtime smoke used the RC8 binary's OpenAI endpoint for a Buzz-shaped system/user/tool/tool-result/final-response loop; all assertions passed and the isolated process was shut down. Perf previously measured on M5 Metal, Qwen3.8-27B-Q4_K_M: TTFT 0.22–0.32 s, ~25 tok/s streaming; agent-shaped turns ~1 s to first token after the first (prefix cache). --------- Signed-off-by: Michael Neale <michael.neale@gmail.com> Signed-off-by: Jimmy <1fe240cd1a8cf775f6f3060f115e5a303181f3abf28ad4cb0c2515f4a02b36a8@meshllm.communities.buzz.xyz> Signed-off-by: Alessandro Joabar <sandro@squareup.com> Co-authored-by: Michael Neale <michael.neale@gmail.com> Co-authored-by: Jimmy <1fe240cd1a8cf775f6f3060f115e5a303181f3abf28ad4cb0c2515f4a02b36a8@meshllm.communities.buzz.xyz> Co-authored-by: Mic Neale <305999590+micspiral@users.noreply.github.com> Co-authored-by: Alessandro Joabar <sandro@squareup.com> * fix(link-preview): keep composer fetches user-paced (#7211) **Category:** fix **User Impact:** Link previews can keep loading while a message is being composed, while sending still has a finite escape hatch and stalled network transports cannot occupy preview slots forever. **Problem:** Native metadata and image deadlines could collapse slow previews into fallback cards while the user was still composing, and a shared image-host cooldown made pasted batches fail inconsistently after one rate limit. **Solution:** Keep preview resolution user-paced with no aggregate request deadline, bound transport inactivity (15s DNS/connect, 30s idle read), serialize image requests by host, and allow at most one server-directed cooldown wait of up to 30s across an image fetch and its redirects. The existing bounded post-Send preparation and immediate Skip paths remain unchanged. <details> <summary>File changes</summary> **desktop/src-tauri/src/commands/link_preview.rs** Removes aggregate native deadlines so composer metadata work can complete at the user's pace, while retaining DNS/connect/idle-read liveness bounds. Adds bounded host-paced image request coordination that releases its gate during cooldown, waits inline at most once for at most 30 seconds, and cannot renew that wait through redirects or the outer transient retry. Same-host image and favicon requests remain deliberately serialized to align with host rate limits. **desktop/src-tauri/src/commands/link_preview_rate_limit.rs** Adds a fixed-size striped host gate so concurrent image requests are serialized without retaining an unbounded attacker-controlled hostname map. **desktop/src-tauri/src/commands/link_preview_tests.rs** Moves native link-preview tests into a dedicated module and covers the user-paced metadata contract, bounded one-shot cooldown behavior, and gate release while a rate-limited request sleeps—including a different host sharing the same bounded gate stripe. **desktop/src-tauri/src/commands/link_preview_youtube.rs** Removes the thumbnail fetch deadline so YouTube previews follow the same composer lifecycle contract while using the shared bounded transport. **desktop/src/shared/lib/useResolvedLinkPreviews.ts** Adds development-only metadata outcome diagnostics with elapsed time and image/fallback state, without logging encoded image payloads. </details> ### Reproduction steps 1. Open the desktop composer and paste several GitHub pull request links whose OpenGraph images share a host. 2. Observe that image requests are paced by host instead of racing, and slow-but-progressing preview work remains pending rather than immediately becoming a completed favicon fallback. 3. Send while preview work is still pending and confirm **Preparing link preview** remains bounded by the existing post-Send budget. 4. Use **Skip** during preparation and confirm the message proceeds immediately. 5. In a development build, inspect the console for `[link-preview] metadata fetch completed` diagnostics containing elapsed time and image state without base64 payloads. ### Related issue N/A — scoped from the linked Buzz implementation room. ### Testing At current head `dfb394aafbee537e9ffb04ad3732d08f65f30b8e`: - Production-bound paused-time metadata regression passed through `fetch_link_preview_metadata`; restoring the former 10-second aggregate wrapper makes it fail at the pending assertion. - Native link-preview module: 19/19 passed. - `cargo check --manifest-path desktop/src-tauri/Cargo.toml` passed. - Rust formatting and `git diff --check` passed. - Pre-push `push-head-scope`, org safety, differential file-size, branch-skew, and `desktop-tauri-checks` hooks passed. At prior head `59e2dcf167b15c7a3e637ad2608008b7f9cef5f3`: - Full Tauri Rust suite: 3,056 passed, 19 ignored; integration crates 7 + 3 passed. - Focused native link-preview suite: 26/26 passed. - The pasted multi-preview workflow was exercised in the desktop app and confirmed improved before draft publication. --------- Signed-off-by: Taylor Ho <taylorkmho@gmail.com> Co-authored-by: Carl <acda9e433d19dcd0e6b6840f7f4b98f3a56f1fab98049d444c087019e6d36560@buzz.block.builderlab.xyz> Co-authored-by: Carl <acda9e433d19dcd0e6b6840f7f4b98f3a56f1fab98049d444c087019e6d36560@users.noreply.github.com> * fix(acp): pace targeted overflow recovery on consumer capacity (#7325) 🤖 ## Summary When a Buzz agent falls behind on incoming messages, its connection can make the backlog worse while trying to recover. The connection buffers messages from the relay server until the agent is ready to process them; if that buffer overflows, recovery previously requested history for **every subscribed channel** and paused socket reads while sending those requests. That adds traffic to an already overloaded connection. This change requests history only for affected subscriptions, once the code consuming those messages has room, with at least five seconds between attempts. The recovery path now: - Combines repeated losses into one pending recovery per affected subscription, keeping the oldest dropped timestamp so replay starts early enough. - Waits until at least half the consumer queue is free and the relay's existing rate-limit delay has expired. The queue wakes recovery when space becomes available; recovery does not periodically sample capacity or hold queue space away from live messages. - Attempts one subscription at a time, choosing the least recently attempted so a busy channel cannot crowd out other channels or membership notifications. The five-second delay starts when an attempt finishes, including a failed write; failed writes leave recovery pending. Recovery is paced by available capacity, not by how often messages are lost. This is not a larger buffer or a cutoff that abandons recovery. Subscription identifiers, message filters, replay timestamp overlap and duplicate filtering are unchanged; no downstream agent changes are required. This targets a reproducible overload **amplifier**, not every cause of overload or every catch-up limitation. The initial live overload's cause has not been established. Recovery remains best effort: a successful request write is not proof of delivery, and existing history/retention limits, bounded duplicate tracking and replay limitations still apply. There is no exactly-once or complete catch-up guarantee. A stalled write can still pause socket reads for the existing ten-second timeout; the pacing bound does not cover initial subscriptions, reconnects or other retry paths. ### Related issue Closest related: #5014 (channel re-subscription); also #6661 (membership reconciliation) and #6090 (relay backpressure gap signaling). This addresses local overflow recovery scheduling, not those separate mechanisms. ### Testing Recorded offline comparisons against the previous behavior, with the final implementation at `8000636f3073167c5a5107bb179c7d91160f1729`: | Same fixture: 18 subscriptions, three overload rounds | Before | After | | --- | --- | --- | | Recovery history requests | 108 | 3 | | Ping-response delay | About 4.6 seconds | Below the measurement's 1 ms resolution | A separate bounded-history fixture delivered all 320 events plus subsequent live traffic in **both** versions. Regression coverage exercises the real socket-handling task, including intermittent consumer capacity, fairness, failed writes and cancellation of capacity waits before live delivery. These are synthetic results, not production throughput measurements or evidence of a deployed cure. The full local `RUST_TEST_THREADS=4 just ci` run passed on September 4, 2026. Earlier unsuccessful local runs remain part of the validation history. The [recorded validation evidence and separate desktop follow-up](https://github.com/block/buzz/pull/7325#issuecomment-5540592398) preserve the original desktop mock-history scroll failure, its passing rerun and the remaining investigation. That desktop path does not run the agent connection code; neither this repair nor the passing rerun fixes the observed scroll problem. --------- Signed-off-by: Logan Johnson <loganj@squareup.com> * fix(mobile): render push notification sender identity as npub (#7494) 🤖 ## Summary When an iOS push notification comes from someone the app has no cached name for, the notification title showed the first characters of the sender's raw public key — for example `aa4fc866…`. That fragment is unreadable and doesn't match how the same person appears anywhere else in Buzz. This PR changes that title to the compact form of the sender's npub (npub is the human-readable encoding of a Nostr public key): first 8 and last 4 characters — for example `npub14f8…9nsy`, the same identity shape used across the desktop and mobile apps. - Unnamed senders: raw hex fragment → compact npub. - Named senders: unchanged — a sender the app has a display name for still titles the notification with that name. - Unverifiable sender identities (malformed keys, or lookalike strings that are not literal 64-hex-digit keys) now render a neutral "Someone" instead of partial raw key material. - Everything else about the notification is unchanged: body text, subtitle, thread matching and grouping, deep-link navigation, thread identifiers, and the internal hex public key the resolver matches on. The native iOS notification-service package (`BuzzPushKit`) gains a minimal in-house bech32 codec (bech32 is the checksummed string encoding npubs use) — checksum-validated, 32-byte keys only, and no new external dependency. The hex input branch accepts exactly a 64 ASCII hex digit key before any parsing, so strings that merely parse like hex (for example a run of `+a` pairs) cannot become a displayed identity; this is input validation for presentation. Event signature verification is untouched. ### Related issue Fixes: N/A. Searched existing issues/PRs for push-notification npub identity — closest related: none found. ### Testing At head `3e3f2813b8864b76257ccb50dea3a4b31fa4de0d` (base `44316ff72f5f7de014c66b01cbf534298a70c249`; 4 files, +321/−4): - CI `Mobile Swift` lane, at this exact head — all passed: `swift test` (73 tests, 0 failures), the SwiftPM debug and release builds of `mobile/ios/BuzzPushKit`, and the unsigned iOS release build. - Test coverage: npub encoding cross-checked against independent nostr-rs/NIP-19 vectors; rejection of bad checksums, mixed case, wrong lengths, invalid alphabet, padding, and non-32-byte payloads; resolver boundary matrix — hex/npub/invalid sender keys render compact npub or "Someone" while body, subtitle, sender key, and thread identifier pass through; named senders keep cached display names. ### Task provenance Buzz channel: `1f0e4a3d-7e01-4efe-bb16-843b357f85c9` Task: buzz://message?channel=1f0e4a3d-7e01-4efe-bb16-843b357f85c9&id=86b34eb4bd84a1472419e9af22636c011c0fe273e3c196f967d7a36996e149b6 --------- Signed-off-by: Logan Johnson <loganj@squareup.com> Co-authored-by: Larry <627498bd4bd1f281a16431e3c6cce3b5c25b6692798c78672298aefbf2f8f8b5@buzz.block.builderlab.xyz> * fix(desktop): shared npub identity foundation (canonicalNpub, PubKey gate, strict parser) (#7488) 🤖 ## Summary Identity keys in the desktop app are displayed as raw 64-character hex. A person's key shows up as something like `953d3363…` — unreadable, impossible to recognize as the same identity on another screen, and a hazard when copied by hand. Nostr (the protocol Buzz runs on) has a human-readable spelling for identity keys — the `npub1…` form — but the desktop app did not use it consistently. This is the foundation of the desktop npub changes: it adds the shared pieces every identity surface builds on, and two follow-up slices stack directly on this branch — #7489 converts the identity controls (profile, settings, allowlist, workflow key fields) and #7495 converts the everyday display surfaces (mentions, member lists, sidebar, and other name fallbacks). After this change: - The shared identity widget shows the compact npub form — `npub1j57...fjmv` — instead of a hex prefix, everywhere it renders (for example the owned-agent public-key row on a profile). Copying it puts the full npub on the clipboard. - Copy is a real interaction, verified end-to-end: both popover variants put the exact canonical npub on the actual clipboard — never the raw hex the popover also lists, never a truncation — and a portaled popover's clicks no longer steal focus from the new-DM To-field mid-copy. Pointer copy, a natural Space-then-Enter path, and inner/outer Escape are covered. - Anything that isn't a valid identity key fails neutrally: short or corrupt values — including degenerate values that technically encode to a checksum-valid npub but aren't real identity keys — show "Unavailable" with no copy button, instead of a misleading value. - Both valid npub spellings display: all-lowercase `npub1…` and all-uppercase `NPUB1…` (Bech32, npub's encoding, permits either casing) both render the same canonical lowercase npub. Mixed case is rejected by the display path as written — `canonicalNpub` and the widget don't case-normalize input — while input parsing (`parsePubkeyInput`) keeps its trim-and-lowercase normalization and accepts mixed-case npubs; both paths require the decoded payload to be exactly a 64-character identity key. - Identity-key input is strict on payload: an npub whose decoded payload isn't exactly a 64-character identity key is rejected, matching the validation the app's Rust side already applies to agent allowlists. Intentional scope boundary: only surfaces that render through the shared widget change here. Outer profile copy, settings identity cards, the respond-to allowlist, and workflow key fields still show hex — they move to npub in the controls follow-up (#7489). Nothing else changes identity representation: display names, private keys, event IDs, and the hex the app stores, sends, and matches internally are untouched; only the user-facing spelling of an identity key changes. ## Details - `desktop/src/shared/lib/pubkey.ts` — `canonicalNpub()`: strict canonical full-npub helper (64-char hex in any case, or a checksum-validated npub, returns the canonical npub; anything else returns `null`); `truncateNpub()`: the compact display form; existing exports unchanged. - `desktop/src/shared/ui/PubKey.tsx` — the shared widget's identity gate validates through `canonicalNpub`; the popover copies the npub only. - `desktop/src/shared/lib/nostrUtils.ts` — `parsePubkeyInput` rejects npubs whose payload is not exactly a 64-character identity key. - `desktop/src/features/messages/ui/NewMessageScreen.tsx` — the To-field focuses its search input only for clicks that land inside the field itself, so portaled recipient popovers keep their focus while open (a popover click previously dismissed it mid-copy). - Unit suites cover the helper, widget, and parser (including the degenerate-encode and uppercase regressions); the e2e specs that render these rows assert the npub display. ### Related issue - Fixes: N/A. Searched existing issues/PRs for npub identity display — no existing match. - Stack: #7489 is based on this branch and builds on these primitives; it does not stand alone on main. ### Testing At head `b3310c248` (base: main `44316ff72`; 12 files, +440/−39): - Focused unit suites (pubkey, PubKey, parsePubkeyInput): 20/20 green; mutation-checked — removing the decoded-length predicate fails the short/empty checksum-valid-npub assertions in `canonicalNpub` and the widget, and a wrong-identity clipboard value fails the new copy assertions. - `pnpm typecheck` and `pnpm check`: pass; full desktop unit suite 6459/6459 at this exact head. - Targeted e2e at this exact head: 8/8 across the two specs that own the clipboard flows — `agent-access-warning.spec.ts` (compact variant, agent-access owner hint) and `pubkey-display-screenshots.spec.ts` (full variant, new-DM recipient verification: pointer copy, popover surviving the copy, inner/outer Escape, Space-then-Enter). - No Rust-side or build files change in this PR, so those results are unaffected. ### Task provenance Buzz channel: `1f0e4a3d-7e01-4efe-bb16-843b357f85c9` Task: buzz://message?channel=1f0e4a3d-7e01-4efe-bb16-843b357f85c9&id=86b34eb4bd84a1472419e9af22636c011c0fe273e3c196f967d7a36996e149b6 --------- Signed-off-by: Logan Johnson <loganj@squareup.com> Co-authored-by: Larry <627498bd4bd1f281a16431e3c6cce3b5c25b6692798c78672298aefbf2f8f8b5@buzz.block.builderlab.xyz> * fix(desktop): npub identity displays for mention, member, and workflow surfaces (#7495) 🤖 ## Summary Every Buzz account is identified by a long public key. Before this change, when someone had no display name, surfaces fell back to inconsistent labels — mostly raw hex fragments like `abcd1234…wxyz`, sometimes a generic role label with no key — so the same person looked different from surface to surface, and nothing looked like an npub address. This PR applies the npub identity foundation from #7488 to the everyday surfaces: a person without a display name now falls back to the same compact npub everywhere — `npub1xxxx…yyyy`, the human-readable spelling of their public key (first 8 + last 4 characters of the full npub) — across messages and mentions, reactions, huddles, member and participant lists, the sidebar and channel activity, search, projects, tray, notifications, and workflow surfaces. - **Mentions and messages**: key-only mention chips render the compact npub. Pasting a copied mention back still re-binds it byte-exactly to the identity it declares, for both the new npub chips and legacy hex-truncated chips copied by older clients — wrong, missing, or tampered key qualification is rejected instead of silently degrading to plain text. - **Reactions and huddles**: huddle reaction events and the huddle roster/participants render the compact npub for unnamed participants; workflow reaction triggers describe authors with the same form. - **Members and sidebar**: channel and community member lists, add-member results and invites, the members sidebar, the channel-activity popover, search, projects (assignees/reviewers/PR panels), the tray menu, and desktop notifications all fall back to the compact npub; titles and aria labels keep the machine-readable full labels. - **Profile labels**: panel/popover display names and owner handles fall back to the compact npub (never raw hex) when there is no name; linked-event (nevent) message metadata shows the npub-shaped author fallback while the event lookup and event IDs are unchanged. - **Workflows**: author-picker secondary labels, step destination keys, and trigger-author references render compact npubs; event and blob IDs keep their existing hex compacts (they are not identities). - **Avatars stay distinct**: fallback avatars for key-only identities derive initials from the key's tail, so prefixed role labels like "Participant npub1…" no longer collapse every unnamed participant onto the same initials; people with names keep their name initials. Preserved exactly: display names and distinct avatars, internal hex keys (storage/API forms unchanged), clipboard identity roundtrips, event/blob ID compaction, private keys (no nsec path is touched), and nevent link handling. Scope: this PR changes what identity labels **display**, not identity controls — profile/settings copy controls, the respond-to allowlist, workflow key fields, and agent dialogs are the sibling slice #7489, and the shared primitives (`canonicalNpub`, `truncateNpub`, the `<PubKey>` gate, strict input parsing) come from the foundation #7488. ### Related issue - Fixes: N/A. Searched existing issues/PRs for duplicates — none found; the related work is the npub identity stack this slice belongs to. - Base/dependency: stacks on #7488 (foundation) — this PR does not stand alone on main. - #7489 is a sibling slice on the same #7488 base (profile/agent/workflow controls), not a dependency: this PR does not require #7489, and #7489 does not require this PR — both only require #7488. ### Testing At exact head `4763cbeae1dd521309755e6d61f657324cb98667` (base: `fix/desktop-npub-identity-d1a` @ `5f3a4a8111998c8aa41ad77cf66992bd1c85343c`; 71 files, +656/−189 — production +277/−136, test support +379/−53): - At this head: targeted `mentions.spec.ts` (1/1), the e2e build, typecheck, and biome — green. - 9 changed/related unit files: 100/100 green; typecheck, e2e build, biome, and px text/truncation checks clean; huddle-roster focused run green; channel-activity e2e 11/11; mutation checks confirm the fallback wiring (removing it collapses shared initials and drops fallback rows). - Known pre-existing local e2e failures, unchanged by this PR and reproduced identically at the upstream merge-base: huddle-transcription voice-menu attribution (25 pass / 1 fail) and the `workflow-local-controls` 438px caret drift. Not claimed green locally. - Update at head `236af9e6137386737e84d3a474d6bc808a704c50` (test-only follow-ups `1143af345` + `236af9e6`): the `workflow-local-controls` races were fixed in the test drivers, and the 438px diff was shown to be a stale Darwin snapshot baseline (name-row enable switch already absent and `message_posted` already MessageSquare at recording commit `9390e11c9`) and refreshed — the focused screenshot test, including keyboard/caret assertions, now passes locally (twice). The full spec was not rerun after the snapshot refresh; the huddle-transcription item above is unchanged. Label/copy text changes are asserted by the e2e specs (`mentions`, `mention-recipients`, `pubkey-display-screenshots`, `huddle-transcription`, `channel-activity-popover`, `workflow-local-controls`) rather than new screenshots; the screenshot spec pins the compact npub text forms. ### Task provenance Buzz channel: `1f0e4a3d-7e01-4efe-bb16-843b357f85c9` Task: buzz://message?channel=1f0e4a3d-7e01-4efe-bb16-843b357f85c9&id=86b34eb4bd84a1472419e9af22636c011c0fe273e3c196f967d7a36996e149b6 --------- Signed-off-by: Logan Johnson <loganj@squareup.com> Co-authored-by: Larry <627498bd4bd1f281a16431e3c6cce3b5c25b6692798c78672298aefbf2f8f8b5@buzz.block.builderlab.xyz> * fix(desktop): npub identity controls across profile, agents, and workflows (#7489) 🤖 ## Summary Building on #7488's npub foundation, this PR finishes the identity display change for the controls where you actually manage people and keys: profile, settings, agent access, and workflows. Everywhere in these surfaces, an identity key shows — and copies — as its canonical npub (npub is the human-readable encoding of a Nostr public key: the compact `npub1j57...fjmv` form where space is tight, the full npub where the whole key matters), and accepts npub as input. After this change: - Profile panel: the public-key row and the managed-by / declared-owner copies show the full npub. If a key can't be encoded, you see "Unavailable" with no copy button — never a raw or partial key. - Settings: the identity card shows and copies the npub. The hosted-communities account identity derives from the bound key (`pubkey_hex`) — the same authority as the mismatch gate and hosted operations — so the display can never disagree with what the app acts on; an unusable hex falls back to a neutral label instead of rendering the unverified server npub. The connected claim and a community's Connect action require that same usable bound key to match the local one — with no usable binding the card cannot claim connected or start Connect, while the community list, linking, and delete/rebind recovery stay available. - Hosted create/onboarding: the account and device identity rows in the create flow and owner onboarding derive from the same authoritative fields (bound key / local key), with the same neutral fallback; readiness requires a usable bound key that matches the local one. - Respond-to allowlist (controls who may respond to an agent): entries can be typed or pasted as hex or npub; both spellings of the same key are recognized as one entry and dedupe. Search results, chips, and remove buttons use the compact npub. - Workflow key fields: to/from keys display as npubs in the form and save back as canonical hex. Templates like `{{trigger.author}}`, roles, and free text pass through untouched; placeholders accept both spellings. - Recipient and agent dialogs: the verify popover is npub-only (the raw-hex line is gone); denied-membership screens never show a raw key. - The Rust-side truncated display name (used for native surfaces) shows the same compact npub, so those surfaces match the web UI. Internal representation is unchanged: keys are still stored, sent, and matched as canonical 64-character hex — npub is a display and input spelling, normalized to hex at the boundary, so existing data and integrations keep working. Bound-key usability and comparison use one normalized form (trimmed, lowercased, 64 hex characters; npub rejected), so padded or mixed-case spellings of the same key match. Display names, private keys, and event IDs are untouched. ## Details - `respondToAllowlist` / `RespondToField`: npub entries normalize to canonical hex; cross-form dedupe; compact npub in rows and chips; direct-add accepts npub and stores canonical hex. - `workflowFormTypes` / `WorkflowStepCard`: hex → npub for display, npub → canonical hex on save; templates, roles, and free text pass through in both directions (roundtrip-tested). - `UserProfilePanelFields`, `ProfileSettingsCard`, `HostedCommunitiesSettingsCard`, `MembershipDenied`, `SelectedRecipientChip`, `AddAgentToChannelDialog`: npub display and copy; invalid keys → "Unavailable" with no copy; hosted identity rows derive from the bound `pubkey_hex` (create/onboarding rows from the bound and local keys), never the unverified server npub; connected/readiness/Connect gates use the same usable-bound-key predicate, and the settings Connect invocation callback re-checks it before starting. - `src-tauri/src/commands/identity.rs`: `truncated_display_name` compacts to the first 8 + last 4 characters of the npub (above a 12-char threshold), mirroring `truncateNpub`. - e2e: profile key rows and clipboard polls assert npub forms and raw-hex suppression; the display-screenshots spec pins the npub-only popover; hosted specs drive the real settings card, create flow, and onboarding rows through their real providers, and the unlinked/npub-only identity cases assert no connected claim and no Connect action. ### Related issue - Fixes: N/A. No separate issue; the related work is the stack below. - Stack: builds on #7488 (shared npub foundation), now merged; this PR is rebased onto main and stands on its own. ### Testing At head `303c90ffa` (base: main `bfc38485`; 24 files, +1125/−146): - Focused unit suites (respondToAllowlist, workflowFormTypes, hostedCommunityApi bound-key helpers) green; mutation-checked — dropping allowlist canonicalization fails the dedupe case, and dropping bound-key normalization fails the npub-in-hex and padded same-key cases. - Full desktop unit suite 6,477/6,477, `desktop-typecheck`, `desktop-check` (formatting fixed narrowly with `biome check --write` on the touched files only), and a fresh E2E build at the current head; the add-community + hosted-communities-settings specs 18/18 and onboarding integration 69/69 on a fresh dedicated port, with focused new-case runs 4+4 covering padded same-key (ready, Connect kept — no false rebind) and npub-in-hex (neutral label, recovery, no Connect) across the settings card, create flow, and first-community onboarding, plus the unlinked-account settings regression asserting Connect cannot occur. - `cargo fmt`/clippy (both feature sets) and `cargo test identity` (71 pass) passed at the earlier full-change head; since then, the only production changes in this PR's delta are the hosted identity display authority and its fail-closed bound-key gating/normalization above (base-side fixes carry #7488's receipts) — every other change is test-only. ### Task provenance Buzz channel: `1f0e4a3d-7e01-4efe-bb16-843b357f85c9` Task: buzz://message?channel=1f0e4a3d-7e01-4efe-bb16-843b357f85c9&id=86b34eb4bd84a1472419e9af22636c011c0fe273e3c196f967d7a36996e149b6 --------- Signed-off-by: Logan Johnson <loganj@squareup.com> Co-authored-by: Larry <627498bd4bd1f281a16431e3c6cce3b5c25b6692798c78672298aefbf2f8f8b5@buzz.block.builderlab.xyz> * fix(mobile): standardize public-key identity display on npub (#7493) 🤖 ## Summary In the mobile app, anyone who hasn't set a display name shows up as a raw 64-character hex key (e.g. `3a5d4f9c…`) — unreadable, and unrecognizable as the same identity across screens. Profile and Settings also let you copy that raw hex. Nostr public keys have a standard readable form — `npub1…`, the same encoding other Nostr apps and our desktop app already display. This PR makes every mobile identity surface render npub instead: - **Unnamed people everywhere** — message and thread authors, reactions, typing indicators, member lists, channel details, DM headers and tiles, inbox, search, forum cards, Pulse notes and reply context, mention suggestions, and invite rows — now show a compact npub label: first 8 + last 4 characters of the full npub joined by an ellipsis (`npub1abcd…wxyz`), the same truncation desktop uses. Previously these showed truncated raw hex. - **DM fallback avatars and blank names** — 1:1 DM tiles and headers key their fallback avatar to the same non-self counterpart the label names, including self-first participant order; a self-DM keeps its hex-key-derived initial. Blank or whitespace-only display names fall back to the compact npub instead of rendering empty, while nonblank authored names render verbatim (padding included). - **Profile sheet → "Copy public key"** now copies the full canonical npub — never raw hex. When the identity string isn't a valid public key, the copy tile is disabled, so a malformed key never reaches the clipboard. - **Settings → Identity (pubkey)** displays and copies the full npub; an invalid identity reads "Identity unavailable" with copy disabled. - **Invalid identities never leak truncated raw hex** into the UI anywhere — they render a neutral "Unknown identity" label. - **Unchanged on purpose:** display names and verified handles (NIP-05 — the `name@domain` badge) still render as before. Unnamed avatars keep distinct per-key initials, derived from the underlying hex key rather than the npub — otherwise every unnamed key would render the same "N" initial. Event IDs are not public keys, so they keep their hex truncation (in Pulse's "Replying to", the parent author shows npub while an event-id fallback still shows hex). The nevent share link, private keys, and internal hex storage are untouched. Inputs that accept a key (invite/member entry) accept both hex and npub and keep working in hex internally. ### Related issue N/A. Searched open issues/PRs for npub identity display on mobile — closest related: none found. Desktop's parallel npub standardization lives in the stacked desktop PRs (#7488 foundation, #7489 controls, #7495 display surfaces); this is the independent mobile slice (based directly on `main`, not on those branches). ### Testing At exact head `5a620e420a1fd57d9d8011ac26434eed32fcf765` (base: `main` `44316ff72`; 40 files, +1,345/−154): - Full mobile suite: 2,098 tests passing (`cd mobile && flutter test`); `flutter analyze` clean; `dart format --set-exit-if-changed .` clean — the same checks CI runs. - Widget/unit coverage at production seams: compact labels and hex-keyed avatar initials for DM headers/tiles, member rows, mention suggestions, and Pulse reply context; DM fallback avatars keyed to the labeled counterpart (self-first order and self-DMs); blank/whitespace display-name npub fallback with nonblank authored labels verbatim, including the Activity inbox sender and profile-sheet heading (each with its own empty/whitespace production-seam regression); full-npub copy and disabled-copy semantics in profile and settings; invalid-key suppression; and hex↔npub input round-trips. Verified via unit and widget tests — no device/simulator validation is claimed. ### Task provenance Buzz channel: `1f0e4a3d-7e01-4efe-bb16-843b357f85c9` Task: buzz://message?channel=1f0e4a3d-7e01-4efe-bb16-843b357f85c9&id=86b34eb4bd84a1472419e9af22636c011c0fe273e3c196f967d7a36996e149b6 --------- Signed-off-by: Logan Johnson <loganj@squareup.com> Co-authored-by: Larry <627498bd4bd1f281a16431e3c6cce3b5c25b6692798c78672298aefbf2f8f8b5@buzz.block.builderlab.xyz> * fix(desktop): order unnamed roster members by full canonical npub (#7503) 🤖 ## Summary - Channel members appear in the Members sidebar. A member who has never set a display name is listed under an abbreviated form of their public key (npub), and the sidebar previously sorted those unnamed members by that short label. Short labels are not unique — different keys can share one — so the order of unnamed members could look arbitrary or unstable. Unnamed members now sort by their full public key, so the order is deterministic. - When two members display the same name, the previous tiebreak was membership order (who joined first), which is not visible to a reader and can shift as roster data loads in. The tiebreak is now the full public key, so identical display names always land in the same order. - Nothing gets noisier on screen: the full key is used only for sorting, and the sidebar still shows the compact abbreviated form. Priorities are unchanged — authored (custom) names still outrank fallback labels, and role/current-user grouping still applies. - Scope is the desktop app's Members sidebar and member management: the two existing sort comparators. Mobile and other lists in the app are untouched. ### Related issue Based on #7495 (introduced the abbreviated npub labels this follows up on). The original five presentation PRs remain independently reviewable. No closer duplicate found. ### Testing - 6469 desktop unit tests, typecheck, and check pass. - The 3 existing consumer-seam E2E tests still pass; a new E2E test asserts the sidebar lists unnamed members in full-key order, with fixture members deliberately inserted in the opposite order so incoming membership order cannot mask the sort. - Negative check: reverting only this change makes the new ordering assertion fail, so it genuinely binds the new sort. - CI has not run on this PR yet. Buzz provenance: channel 1f0e4a3d-7e01-4efe-bb16-843b357f85c9 / task 340c3de9b27dbedb8453c0c7652220f9080d30fcc70a7c4f6e27fdd4fa378056 --------- Signed-off-by: Logan Johnson <loganj@squareup.com> Co-authored-by: Larry <627498bd4bd1f281a16431e3c6cce3b5c25b6692798c78672298aefbf2f8f8b5@buzz.block.builderlab.xyz> * fix(desktop): require a Codex adapter with Astra support (#7427) ## Summary Buzz considers codex-acp 1.6.2 current because the supported adapter floor is still 1.1.7. That adapter bundles Codex 0.148.0, so updating a separate Codex CLI to 0.153.4 leaves managed agents on the older runtime and unable to use GPT-6 Astra. Raise the supported adapter floor to the published 1.10.0 release, which depends on `@openai/codex ^0.153.3`. Existing discovery and installation code then classifies older adapters as outdated and offers the managed reinstall path. Update the availability and install-plan regressions to cover the observed 1.6.2 installation and the new minimum. This follows the existing version-floor policy. It does not automatically update a running installation: the user must complete Buzz’s offered adapter upgrade. Future upstream compatibility changes may require another floor update. ### Related issue No exact duplicate found in searches for Astra, CODEX_PATH, bundled Codex, outdated runtime, and codex-acp 1.10. Related: #3097 raised the older floor to 1.1.7 (already present on main); #2422 covers lost error details for runtime mismatches. Neither resolves this version gap. Originating conversation: buzz://message?channel=3286cd76-f83e-4c7d-8317-10a16580744d&id=8b79a73078217222b870fff144c27e7d27bcd5a67c966869c18fe726db716898 ### Testing - Isolated npm install of codex-acp 1.10.0 resolved bundled Codex 0.153.4, with no CODEX_PATH override. - Live macOS ACP probe: initialize protocol v1 → session/new → select gpt-6-astra[medium] → prompt. Received `OK` and `stopReason: end_turn`; usage metadata confirms gpt-6-astra. - Existing adapter 1.6.2 initialized but advertised no Astra model in the same probe. - Desktop Rust formatting and `git diff --check` pass. - `just desktop-tauri-test`: 3,266 passed, 20 ignored, zero failures across the Desktop workspace and integration tests. - Workspace and Desktop Clippy, frontend static checks, and `just file-size-check` pass. - Repository `just ci`: still running the remaining mobile/build/workspace-test stages. The installed Buzz app and managed adapter were not replaced or restarted. The live check validates the new adapter/runtime path; a complete packaged Desktop upgrade workflow remains untested. Signed-off-by: Stephen DeLorme <stephen@d.elor.me> * fix(buzz-acp): report missing models without retrying (#7538) ## Summary When an agent reports model-not-found, Buzz retries the unavailable model and delays the failure reply until retries are exhausted. Stop retrying this error and immediately post a threaded recovery notice. The notice tells users to select a different model in agent settings, save, restart the agent to apply the configuration, and re-send their request. This adds one error-handling branch and regression coverage in `buzz-acp`. It matches `-32002` errors containing `model not found`. Other resource-not-found errors, such as stale sessions, retain the existing retry behavior. Detailed error events remain available for diagnosis. The existing restart policy is unchanged. ### Related issue None found in existing issue/PR searches for model-not-found recovery. ### Testing Playwright captured and visually checked the thread UI with seeded conversation data and the exact recovery text. The check opens the request's thread, confirms no reply before the failure, injects the notice, and verifies the full text is visible. [Before/after screenshots](https://github.com/block/buzz/pull/7538#issuecomment-5608196506) show the corrected save-and-restart instructions. These are local test captures, not a deployed provider recovery flow. Generated with Codex --------- Signed-off-by: Diem Nguyen <diem@squareup.com> * fix(desktop): let inbox title and message author names truncate under narrow panes (#7550) ## Summary Fixes two instances of the same dead-truncate pattern in the desktop app, where a flex item's implicit `min-width: auto` prevented `truncate` from engaging, so long text painted over adjacent controls instead of ellipsizing: - **Inbox detail title** (`InboxDetailPane.tsx`): the clickable context-title button sized to its text instead of shrinking with the pane, overlapping the header controls (open-in-channel, members, huddle, more menu). Fixed by adding `max-w-full`. - **Message author names** (`MessageHeader.tsx` / `UserProfilePopover.tsx`): the `UserProfilePopover` inline-flex trigger wrapper refused to shrink below the name's nowrap width, running long author names under the hover action bar and off the pane edge. Fixed by adding a `triggerClassName` prop to `UserProfilePopover` and passing `min-w-0 max-w-full` at the author call site. Two other suspected instances (project file breadcrumb, drafts pane title) were stress-tested and already truncate correctly — no change. ### Related issue N/A — none found. ### Testing - New Playwright regression tests for both fixes (`inbox-title-overlap.spec.ts`, `message-author-overlap.spec.ts`, registered in the smoke project), each proven to discriminate: they fail with the fix reverted (real measured overlap) and assert the ellipsis actually engages with non-zero title width, so they can't pass vacuously. - Typecheck, lint, and full desktop unit suite green (pre-push hooks); full desktop e2e smoke suite run earlier: 1402 passed, 3 pre-existing unrelated failures (each fails identically with the fix reverted). **Inbox title — before** (long title paints under the header controls): ![Inbox title before: title text overlaps the header control icons](https://github.com/user-attachments/assets/d5a10f98-114f-4466-8012-468616b82807) **Inbox title — after** (truncates with ellipsis, controls stay clear): ![Inbox title after: title truncates with an ellipsis before the controls](https://github.com/user-attachments/assets/80520f7c-1120-4dbc-929d-1ef5eceb874b) **Author name — before** (long name runs past the header row edge): ![Author name before: name glyphs bleed past the action bar](https://github.com/user-attachments/assets/be9743ae-ef51-4db0-8c46-a0649e98f0d5) **Author name — after** (clean cutoff): ![Author name after: name truncates cleanly inside the header row](https://github.com/user-attachments/assets/24cc0412-ca99-40c4-add6-13380b3ae065) 🤖 Generated with [Claude Code](https://claude.com/claude-code) --------- Signed-off-by: cynfria <yescynthia@gmail.com> Signed-off-by: Tree Trunks <6ba22921d9dc2ad0aa6ecdf63787ddd24726e266d866da31af69f2e4e146ace5@buzz.block.builderlab.xyz> Co-authored-by: Claude Fable 5 <noreply@anthropic.com> Co-authored-by: Tree Trunks <6ba22921d9dc2ad0aa6ecdf63787ddd24726e266d866da31af69f2e4e146ace5@buzz.block.builderlab.xyz> * fix(relay): reject presence updates when Redis storage fails (#7532) ## Summary - Reject kind:20001 presence events with `OK false` / `error: presence storage unavailable` when Redis SET or DEL fails, before publishing, local fan-out, or local-event marking. - Preserve the producer contract needed by snapshot-confirming consumers: delivered live presence must follow successful mutation of the Redis state read by snapshots. - Classify those backend rejections with the existing `IngestError` taxonomy so a presence storage outage counts as `buzz_events_rejected_total{transport="ws",reason="error"}`, not client `reason="invalid"`; genuine client-input refusals (verification failure, membership gates) stay `invalid`, and every wire message is an unchanged fixed sanitized string (review follow-up, no protocol wording change). - Add actual `handle_event` integration coverage for rejected online/offline transitions, healthy online→offline accepted/stored/fanned-out behavior, and the rejection-counter routing on storage failure with an invalid-signature control. This is standalone on main; it does not depend on the mobile implementation. Deploy this relay prerequisite before relying on #7526's snapshot-confirmation policy. Existing pubsub-failure-after-successful-storage behavior and disconnect TTL cleanup are deliberately unchanged. A storage error may be an ambiguous write outcome, not a rollback guarantee; the rejected event is not published by this handler. Clients may retry the generic `error:` rejection. Desktop's 60s heartbeat retries non-offline presence, not every explicit offline transition. ### Related issue Addresses the relay prerequisite identified in [#7526 review 5157607827](https://github.com/block/buzz/pull/7526#pullrequestreview-5157607827). Searched open presence/storage PRs; no duplicate relay storage-error rejection fix found. #7382/#7383/#7526 heads and bases are unchanged. ### Testing Exact head: `389174df29cc02d0f885c03209eff661d8bb2ec0` (+380/-13; 393 total), one commit `389174df2` on top of the reviewed `c031d6eb1` (DCO-signed; base `bfc384855889432df4a333a0edf3080f332ee169` unchanged). - PASS: `cargo fmt --all -- --check`, `cargo clippy -p buzz-relay --all-targets -- -D warnings`, `git diff --check`, `just file-size-check`, PostgreSQL discovery validation — all run at the exact final head with a clean tree before and after. - PASS: documented native `scripts/postgres-test-run.sh -p buzz-relay --lib --tests`: **89/89** actual integration tests, including the four presence cases (online/offline storage rejection, healthy online→offline, and the new rejection-classification case). Owned PostgreSQL 17/Redis on isolated loopback ports, schema plus reconciliation applied; no shared development database. - PASS: explicit `cargo test -p buzz-relay presence_storage -- --ignored --nocapture`: **4/4**, not skipped. - Full isolated relay crate suite at the final head (`cargo nextest run -p buzz-relay --lib --tests`): **1062 run: 1062 passed, 94 skipped**. The previously failing `api::mesh_demo::tests::demo_join_forwarded_arm_round_trips_echo` passed in this run (1.5s); it is a known timing-sensitive main baseline failure tracked open in #7140 and untouched by this PR, so this single passing run is reported as-is and does not claim environmental clearance or close #7140. No full-suite-green claim is made beyond this run. - Mobile is untouched; #7526's existing 2090-test/format/analyze evidence remains scoped to its unchanged head. Its separate Desktop Smoke E2E (2) failure remains red; no CI retries requested. [Production-seam regression coverage](https://github.com/block/buzz/blob/389174df29cc02d0f885c03209eff661d8bb2ec0/crates/buzz-relay/src/handlers/event.rs#L1491-L1803): the metric case drives real `handle_event` traffic against a genuinely dead Redis endpoint with a seeded active PostgreSQL community and a registered presence watcher, asserts the storage rejection counts `reason="error"` while a tampered-signature control through the same dispatcher arm stays `reason="invalid"`, and re-asserts the rejected ACK, no fan-out, and no local-event marker. Counter assertions use a thread-local recorder guard held across `.await` points (the buzz-db counter-test convention) inside the per-process nextest postgres-ci lane, so no parallel test can race the counter snapshot. No UI change or screenshot. Local logs and reproducible service/gate scripts are retained under `WORK_LOGS/MOBILE_FEEDBACK_PRESENCE_20260909/relay_prerequisite/metric_correction/` in the engineering workspace. This PR is a review candidate, not merge clearance. Causal checks: restoring only the pre-fix production mutation block makes both original rejection tests fail (`OK true` instead of `false`); healthy success still passes. Reverting only the typed classification (mapping the ephemeral `Internal` arm back to `invalid`) makes the new metric regression fail with the outage counted as `[("ws","invalid",2)]` instead of `[("ws","error",1),("ws","invalid",1)]`. The unchanged mesh echo case also failed 504/200 with the main-production block restored in the prior run, supporting its separation from this change without claiming environmental clearance. Candidate source restored byte-for-byte after each mutation. Repository-wide `just ci` was not rerun; the scoped relay gates above are the new evidence. --------- Signed-off-by: Logan Johnson <loganj@squareup.com> * fix(markdown): align mention chip wrapping (#7501) **Category:** fix **User Impact:** Human and agent mentions now break across lines with the same cloned chip treatment as repository and permalink chips while preserving the conversation text rhythm. **Problem:** Profile-backed rendered mentions sat inside an `inline-flex` popover trigger, unlike entity chips, so the wrapper interfered with true inline fragmentation. The browser-layout test measured text-range rows rather than the painted chip rectangles, allowing touching decorations to pass as “separate” fragments. **Solution:** Keep the profile trigger interactive but override its layout to true `inline`, then give mention fragments 18px computed leading inside the message’s 20px prose rhythm. Chromium paints each fragment at 17px and advances it by 20px, leaving a visible gap between cloned rounded rectangles. The browser test now measures the chip’s own `getClientRects()` and asserts fragment count, height, gap, and step; entity links retain their existing 22px leading. <details> <summary>File changes</summary> **desktop/src/features/profile/ui/UserProfilePopover.tsx** Allows inline consumers to override the trigger wrapper’s layout without changing other profile-popover call sites. **desktop/src/shared/styles/globals/markdown.css** Keeps one shared wrapping-chip mechanic and gives mention decorations enough room to separate visibly within 20px prose. **desktop/src/shared/ui/markdown.test.mjs** Pins both rendered mentions and entity links to the shared wrapping-chip contract. **desktop/src/shared/ui/markdown/MarkdownMention.tsx** Makes the profile-popover trigger truly inline so the nested mention chip can fragment with surrounding prose. **desktop/src/shared/ui/mentionChip.ts** Keeps `wrapping-inline-chip` as the single contract for fragmenting decorated chips. **desktop/tests/e2e/mentions.spec.ts** Measures the painted chip rectangles, requires a positive fragment gap, and verifies the inline trigger remains mouse- and keyboard-operable. **desktop/tests/e2e/navigation.spec.ts** Keeps a wrapped repository chip as the control, asserting its existing 22px line height and fragment advance. </details> ## Reproduction steps 1. Open a channel in Buzz Desktop using dark theme. 2. Send a message containing a human mention and another containing an agent mention; both chips should remain aligned with adjacent text on a 20px line. 3. Render a collision-qualified mention in a narrow message width; it should break into separately decorated fragments exactly like another wrapping chip, while each fragment follows the 20px prose rhythm. 4. Render a long repository or permalink chip in the same constrained width; it should retain its roomier 22px fragment spacing. ## Screenshot The dark-theme production renderer shows the real qualified label (`bob (npub1hv3…tpuc)`) at an 8rem width. The two lines now paint as visibly separate rounded fragments rather than one continuous rectangle. ![Qualified human mention wrapping into two visibly separate rounded fragments in the dark-theme Buzz timeline](https://github.com/user-attachments/assets/ee6e7be5-937e-4022-9c82-cf71f8203470) ## Validation At commit `2b063e1b4ade30e11f1616269ad4ba4190366885`: - Pre-push desktop gates — file-size check, Biome/checks, typecheck, and 6,483 unit tests passed - `pnpm --dir desktop build` — passed - Focused Playwright coverage for single-line agent mention, single-line human mention, wrapped qualified mention including keyboard profile activation, and timeline mention click — 4 passed - `git diff --check` — passed --------- Signed-off-by: Taylor Ho <taylorkmho@gmail.com> Co-authored-by: Rizz <rizz@agents.buzz> Co-authored-by: Carl <acda9e433d19dcd0e6b6840f7f4b98f3a56f1fab98049d444c087019e6d36560@buzz.block.builderlab.xyz> * fix(acp): integrate the Buzz Pi adapter fork (#7552) ## Summary PR #7335 worked around missing Pi adapter support by generating a private Pi launcher and injecting Buzz's standing prompt and skills at process launch. The Buzz Pi fork now carries the required adapter extensions, so this removes that launcher and returns prompt construction to the normal ACP session path while retaining the base-prompt composition introduced by #7335. The Pi preset now installs `salman1993/pi-acp` and launches its renamed `buzz-pi-acp` binary. Buzz adds `-- --skill <harness-cwd>/.agents/skills` only when launching that binary, sends the complete composed prompt as the `_meta.systemPrompt` replacement string on `session/new` only when `initialize.agentInfo.name` is `buzz-pi-acp`, and sends the scoped title alongside it as `_meta.sessionTitle`. The fork identity is treated as system-prompt capable regardless of its reported ACP protocol version, which prevents duplicate legacy user-message framing. Upstream `pi-acp` does not receive either fork-specific behavior. Observer transcript projection accepts the string, `{ replace }`, and `{ append }` metadata forms. The fork now stores restore metadata in one atomic file per session under `~/.pi/buzz-pi-acp/sessions/`. This prevents concurrent Buzz workers from overwriting another session's prompt or title. The fix landed in [salman1993/pi-acp#9](https://github.com/salman1993/pi-acp/pull/9). This supersedes the closed #7508. No agent-configuration rules changed; this changes the Buzz Pi adapter contract and launch arguments. ### Related issue #7329 ### Testing Installed fork commit `09cf07e436b8f18e52401558f988f31a15702313` through the documented Git URL. The installed bundle matched the committed `dist/index.js` byte for byte and contained the `~/.pi/buzz-pi-acp` metadata path. The fork's 106 non-skipped tests, typecheck, and lint pass. Ran the ignored real-Pi integration test through Buzz's production session composer. The test exercised the renamed package, `agentInfo.name`, and the new per-session metadata store. Base, persona, team, core-memory, huddle, canvas, and skill markers each appeared once after switching sessions and again after restarting the adapter, while the other session and Pi's native default prompt were absent. Added regression coverage proving `buzz-pi-acp` receives fork-specific system-prompt metadata and managed skills while upstream `pi-acp` does not. `just ci` passes. Generated with Codex --------- Signed-off-by: Salman Mohammed <smohammed@squareup.com> * feat(git): add default-branch management to relay and CLI (#7562) Authored by Brain and opened on behalf of Wes (`wesbillman`). ## Summary Add `buzz repos default-branch get…

* fix(mobile): style inline code with the app mono face (#6631) ## Summary Inline code on mobile renders as **bold body text on a faint background wash** — no monospace face, no chip, and it cannot wrap. #5257 diagnosed this as a missing `highlightBuilder`. That is no longer the right fix. `gpt_markdown` 1.2.0 deprecates `highlightBuilder` (removal in 2.0.0), renders inline code as a real chip, and adds `InlineCodeStyle` for restyling it. The package author confirmed this on the issue. So this PR is an upgrade — 1.1.6 → 1.2.1 — plus one theme declaration, rather than the builder the issue originally asked for. **Where the style is declared.** `GptMarkdownThemeData` goes in `AppTheme._buildTheme`, which both `light()` and `dark()` call. That reaches all four `GptMarkdown` call sites — `message_content`, `transcript_item_widget`, `token_pill`, `custom_emoji_render` — so the style is stated once instead of per widget. A widget-level `inlineCodeStyle` would have covered channel messages only, leaving the other three on the package's defaults. **What is declared.** Face, size, ink, chip fill and outline — not the face alone. A face name on its own leaves the rest on the package's defaults, which put inline code at 14.1sp beside a fenced block's 13, on a neutral `onSurface` tint rather than the app's code surface. In dark that tint is *lighter* than the surface, while every other code surface in the app is recessed, so the chip read as a different kind of object. All of it now comes from one `CodeStyle` declaration that the fenced block reads from too, so the two cannot be edited apart. **Three adaptations the upgrade requires.** Each was found by running the gate, not by reading the changelog: 1. **`imageBuilder` widened** to `(context, url, width, height)`. This is a hard compile error, and it is **not listed in the package's migration guide**, which states "nothing here stops code compiling". Worth reporting upstream. 2. **`autolink` now defaults to `true`.** `normalizeBareLinks()` already rewrites bare URLs into Markdown links before rendering, so both would run. `message_content` opts out with `autolink: false` to keep current behaviour exactly. The migration guide argues for dropping the pre-processor instead — a better fix, but a behavioural change that belongs in its own PR. 3. **`gpt_markdown.dart` now re-exports `markdown_config.dart`**, making two direct imports redundant. `flutter analyze` reports `No issues found!` on 1.1.6 and flags both on 1.2.1, so these warnings are new, not pre-existing. **Deliberately out of scope.** The three non-message call sites now autolink bare URLs, since only `message_content` has a pre-processor to collide with. Custom inline components (`_MentionMd`, `CustomEmojiMd`, `_ChannelLinkMd`) could additionally declare `allScopesExceptLinkLabel` — 1.2.0 offers it as the fix for a `WidgetSpan` chip going blank inside a link label on iOS — but current behaviour is unchanged without it, so that stays a separate change. ### Related issue Fixes #5257 Duplicate scan: searched `gpt_markdown`, `inline code mobile`, `highlightBuilder` and `InlineCodeStyle` across both PRs and issues. No open PR touches inline code styling. #6135 (link labels) and #6166 (text selection) also touch mobile Markdown but address different defects. ### Testing Full gate, `just ci` — exit 0: | Stage | Result | |---|---| | Rust (33 suites) | 4768 passed, 0 failed | | Desktop | 5799 passed, 0 failed | | Mobile | **2011 passed**, 0 failed | | `flutter analyze` | `No issues found!` | | Desktop + web build | ok | Run on the branch with `main` merged in, so these numbers match what CI builds. **New regression test** — `renders inline code in the app code style`. It resolves the `CodeTextSpan` the package tags inline code with, which carries both the resolved `TextStyle` and the colours the chip behind it is painted with, so face, size, ink, fill and outline are all asserted rather than a widget's presence. It is negative-controlled: reverting only the theme declaration fails it with ```text Expected: a numeric value within <0.001> of <13.0> Actual: <14.1> ``` and dropping the declaration entirely falls back to `packages/gpt_markdown/JetBrainsMono` — so the test measures the real thing, and it would catch a future regression that silently drops the theme extension. The test passes `baseStyle: messageBodyTextStyle`, the style the message surfaces actually use; the widget's own fallback is the smaller `bodyMedium`, which would move the expected size. The test finds paragraphs with `find.byWidgetPredicate((widget) => widget is RichText)`, not `find.byType(RichText)`: inline code renders through `BidiRichText`, a `RichText` subclass, and `byType` matches exact runtime types. That is a hazard for any test that reads text back out of a paragraph, and one landed after this branch was cut: `message_content_custom_emoji_test.dart` arrived with #6996 and its `code keeps literal emoji while adjacent known tokens render` case reads a code span through `find.byType(RichText)`. It passes on `main` and fails on the merge result, which is what CI builds, so it went red only once CI was authorized. It now uses the same predicate. The two other `byType(RichText)` call sites — the rest of that file and `message_author_meta_test.dart` — were re-run and pass: their content carries no code span, so the exact type still matches. They were left alone. ### Screenshots Rendered through the real `MessageContent` widget with the app's own fonts loaded, at 390pt wide, 3x DPR. Sample text: ``Set `BUZZ_RELAY_URL` before launch, then run `just mobile-test` to verify.`` | | Before (1.1.6) | After (1.2.1) | |---|---|---| | Light | ![before-inline-code-light](https://raw.githubusercontent.com/TolgaCinisli/buzz/2d2d846291416d9b32d3fb9cfead950bcc4fe123/pr-6631--before-inline-code-light.png) | ![after-inline-code-light](https://raw.githubusercontent.com/TolgaCinisli/buzz/f230b95c7260a32bd5d76b1ac42130720a168521/pr-6631--after-inline-code-light.png) | | Dark | ![before-inline-code-dark](https://raw.githubusercontent.com/TolgaCinisli/buzz/2d2d846291416d9b32d3fb9cfead950bcc4fe123/pr-6631--before-inline-code-dark.png) | ![after-inline-code-dark](https://raw.githubusercontent.com/TolgaCinisli/buzz/f230b95c7260a32bd5d76b1ac42130720a168521/pr-6631--after-inline-code-dark.png) | Before: bold Inter on a flat wash, no chip edge, and `just mobile-test` breaks across the line with the wash simply ending. After: Geist Mono in a bordered, rounded chip, and the wrapped fragment gets its own chip on each line. --------- Signed-off-by: Tolga Cinisli <tolgacinisli@gmail.com> Co-authored-by: Tolga Cinisli <tolgacinisli@gmail.com> * fix(buzz-acp): wake held ACP threads and fence forked sessions (#7340) ## Summary Adds an independent deadline wakeup so held thread work dispatches after its 10-second bound even when the relay loop is otherwise quiet. Fences session ownership by generation so a worker returning after a fork cannot make an older provider session claimable again. This follows up on the two post-merge findings from [#7337](https://github.com/block/buzz/pull/7337#pullrequestreview-5116329341). ### Related issue Follow-up to #7337. ### Testing - `cargo test -p buzz-acp` - `cargo clippy -p buzz-acp --all-targets -- -D warnings` - Pre-push file-size, differential Rust test, and desktop Tauri gates No UI changes. --- **Update Sep 4, 15:35:** Addressed both Codex review findings. - Queue-cap eviction now prunes orphaned hold deadlines. - An expired hold stays expired until a worker is successfully claimed. - Hold timers remain disabled while every worker is busy; worker return wakes dispatch directly. - Added regressions for queue eviction and pool exhaustion. Generated with Codex --------- Signed-off-by: Salman Mohammed <smohammed@squareup.com> * fix(agent): route GPT-5+ model-service FQNs to Responses (#7358) ## Summary Route Databricks Unity Catalog model services to OpenAI Responses when their service name matches GPT-5 or newer. These models can reject tools plus reasoning on Chat Completions. Match only the service component, using the existing family-token boundaries and a numeric major version. Catalog and schema names cannot select the protocol. Keep neutral effort capabilities and the full model ID unchanged; other services still use MLflow Chat Completions. Keep the Rust and desktop resolvers in sync, add shared boundary cases and a captured-HTTP regression for completion and summarization, and update the documented FQN rule. ### Related issue No duplicate found in searches for “FQN responses” PRs or “astra” issues. Related: #6918 introduced Unity Catalog discovery. Originating conversation: buzz://message?channel=0b881928-a3a6-4c01-b981-8e64268f01ce&id=770949343bc96a9ed88acd90a1b37d358a0efc52c79237d0fdb491ce02b8d4ed ### Testing No live Databricks inference test. The gateway must accept the full model-service ID on its OpenAI Responses route; this remains the integration risk. The local `just ci` attempt exceeded its five-minute deadline during `mobile-check`, so the full repository gate was not completed. All push-hook checks passed. Generated with Codex Signed-off-by: Fizz <400e8babadcee6a7f420103f10a2849d84c4a9c71d5bd04f3948c814216648a3@buzz.block.builderlab.xyz> Co-authored-by: Fizz <400e8babadcee6a7f420103f10a2849d84c4a9c71d5bd04f3948c814216648a3@buzz.block.builderlab.xyz> * feat(mesh): upgrade to mesh-llm 0.76.0-rc8 and recommend Qwen3.8 27B (#6189) Upgrades Buzz's mesh-llm dependencies through the released `v0.76.0-rc8` tag (`2040765d`), including the Qwen3.8 curated recommendation and rc8's scheduler/runtime improvements. **Scope note:** the earlier open-relay/unenforced-admission mode has been removed from this PR at Mic's direction — it is not a product mode we want. Mesh admission remains roster/allowlist driven, exactly as on `main`: on a relay with no NIP-43 membership snapshot the mesh runs self-only. No NIP-11 mode probing, no mode-transition restarts. A future perimeter/admission strategy for open relays will be designed separately. This PR also: - seeds `BUZZ_AGENT_LLM_TIMEOUT_SECS=660` for mesh agents, above MeshLLM's 600-second backend timeout; - makes `desktop-tauri-clippy` lint both default and `mesh-llm` cfg graphs; - runs the feature-enabled desktop test suite in CI; - recommends Qwen3.8 27B Q4_K_M for 64 GB-and-larger machines, then ladders down through Gemma 4 E4B and Qwen 9B for smaller machines; - keeps stored shared-compute `auto` translated to MeshLLM's supported wire model `mesh`. RC8 verification: - `just ci` passed locally at `92ecc7ec933bdd4df804cc9f28a2b51efa5313c5`. - Pre-push differential gates passed, including both desktop Tauri cfg graphs and package tests. - A prior isolated runtime smoke used the RC8 binary's OpenAI endpoint for a Buzz-shaped system/user/tool/tool-result/final-response loop; all assertions passed and the isolated process was shut down. Perf previously measured on M5 Metal, Qwen3.8-27B-Q4_K_M: TTFT 0.22–0.32 s, ~25 tok/s streaming; agent-shaped turns ~1 s to first token after the first (prefix cache). --------- Signed-off-by: Michael Neale <michael.neale@gmail.com> Signed-off-by: Jimmy <1fe240cd1a8cf775f6f3060f115e5a303181f3abf28ad4cb0c2515f4a02b36a8@meshllm.communities.buzz.xyz> Signed-off-by: Alessandro Joabar <sandro@squareup.com> Co-authored-by: Michael Neale <michael.neale@gmail.com> Co-authored-by: Jimmy <1fe240cd1a8cf775f6f3060f115e5a303181f3abf28ad4cb0c2515f4a02b36a8@meshllm.communities.buzz.xyz> Co-authored-by: Mic Neale <305999590+micspiral@users.noreply.github.com> Co-authored-by: Alessandro Joabar <sandro@squareup.com> * fix(link-preview): keep composer fetches user-paced (#7211) **Category:** fix **User Impact:** Link previews can keep loading while a message is being composed, while sending still has a finite escape hatch and stalled network transports cannot occupy preview slots forever. **Problem:** Native metadata and image deadlines could collapse slow previews into fallback cards while the user was still composing, and a shared image-host cooldown made pasted batches fail inconsistently after one rate limit. **Solution:** Keep preview resolution user-paced with no aggregate request deadline, bound transport inactivity (15s DNS/connect, 30s idle read), serialize image requests by host, and allow at most one server-directed cooldown wait of up to 30s across an image fetch and its redirects. The existing bounded post-Send preparation and immediate Skip paths remain unchanged. <details> <summary>File changes</summary> **desktop/src-tauri/src/commands/link_preview.rs** Removes aggregate native deadlines so composer metadata work can complete at the user's pace, while retaining DNS/connect/idle-read liveness bounds. Adds bounded host-paced image request coordination that releases its gate during cooldown, waits inline at most once for at most 30 seconds, and cannot renew that wait through redirects or the outer transient retry. Same-host image and favicon requests remain deliberately serialized to align with host rate limits. **desktop/src-tauri/src/commands/link_preview_rate_limit.rs** Adds a fixed-size striped host gate so concurrent image requests are serialized without retaining an unbounded attacker-controlled hostname map. **desktop/src-tauri/src/commands/link_preview_tests.rs** Moves native link-preview tests into a dedicated module and covers the user-paced metadata contract, bounded one-shot cooldown behavior, and gate release while a rate-limited request sleeps—including a different host sharing the same bounded gate stripe. **desktop/src-tauri/src/commands/link_preview_youtube.rs** Removes the thumbnail fetch deadline so YouTube previews follow the same composer lifecycle contract while using the shared bounded transport. **desktop/src/shared/lib/useResolvedLinkPreviews.ts** Adds development-only metadata outcome diagnostics with elapsed time and image/fallback state, without logging encoded image payloads. </details> ### Reproduction steps 1. Open the desktop composer and paste several GitHub pull request links whose OpenGraph images share a host. 2. Observe that image requests are paced by host instead of racing, and slow-but-progressing preview work remains pending rather than immediately becoming a completed favicon fallback. 3. Send while preview work is still pending and confirm **Preparing link preview** remains bounded by the existing post-Send budget. 4. Use **Skip** during preparation and confirm the message proceeds immediately. 5. In a development build, inspect the console for `[link-preview] metadata fetch completed` diagnostics containing elapsed time and image state without base64 payloads. ### Related issue N/A — scoped from the linked Buzz implementation room. ### Testing At current head `dfb394aafbee537e9ffb04ad3732d08f65f30b8e`: - Production-bound paused-time metadata regression passed through `fetch_link_preview_metadata`; restoring the former 10-second aggregate wrapper makes it fail at the pending assertion. - Native link-preview module: 19/19 passed. - `cargo check --manifest-path desktop/src-tauri/Cargo.toml` passed. - Rust formatting and `git diff --check` passed. - Pre-push `push-head-scope`, org safety, differential file-size, branch-skew, and `desktop-tauri-checks` hooks passed. At prior head `59e2dcf167b15c7a3e637ad2608008b7f9cef5f3`: - Full Tauri Rust suite: 3,056 passed, 19 ignored; integration crates 7 + 3 passed. - Focused native link-preview suite: 26/26 passed. - The pasted multi-preview workflow was exercised in the desktop app and confirmed improved before draft publication. --------- Signed-off-by: Taylor Ho <taylorkmho@gmail.com> Co-authored-by: Carl <acda9e433d19dcd0e6b6840f7f4b98f3a56f1fab98049d444c087019e6d36560@buzz.block.builderlab.xyz> Co-authored-by: Carl <acda9e433d19dcd0e6b6840f7f4b98f3a56f1fab98049d444c087019e6d36560@users.noreply.github.com> * fix(acp): pace targeted overflow recovery on consumer capacity (#7325) 🤖 ## Summary When a Buzz agent falls behind on incoming messages, its connection can make the backlog worse while trying to recover. The connection buffers messages from the relay server until the agent is ready to process them; if that buffer overflows, recovery previously requested history for **every subscribed channel** and paused socket reads while sending those requests. That adds traffic to an already overloaded connection. This change requests history only for affected subscriptions, once the code consuming those messages has room, with at least five seconds between attempts. The recovery path now: - Combines repeated losses into one pending recovery per affected subscription, keeping the oldest dropped timestamp so replay starts early enough. - Waits until at least half the consumer queue is free and the relay's existing rate-limit delay has expired. The queue wakes recovery when space becomes available; recovery does not periodically sample capacity or hold queue space away from live messages. - Attempts one subscription at a time, choosing the least recently attempted so a busy channel cannot crowd out other channels or membership notifications. The five-second delay starts when an attempt finishes, including a failed write; failed writes leave recovery pending. Recovery is paced by available capacity, not by how often messages are lost. This is not a larger buffer or a cutoff that abandons recovery. Subscription identifiers, message filters, replay timestamp overlap and duplicate filtering are unchanged; no downstream agent changes are required. This targets a reproducible overload **amplifier**, not every cause of overload or every catch-up limitation. The initial live overload's cause has not been established. Recovery remains best effort: a successful request write is not proof of delivery, and existing history/retention limits, bounded duplicate tracking and replay limitations still apply. There is no exactly-once or complete catch-up guarantee. A stalled write can still pause socket reads for the existing ten-second timeout; the pacing bound does not cover initial subscriptions, reconnects or other retry paths. ### Related issue Closest related: #5014 (channel re-subscription); also #6661 (membership reconciliation) and #6090 (relay backpressure gap signaling). This addresses local overflow recovery scheduling, not those separate mechanisms. ### Testing Recorded offline comparisons against the previous behavior, with the final implementation at `8000636f3073167c5a5107bb179c7d91160f1729`: | Same fixture: 18 subscriptions, three overload rounds | Before | After | | --- | --- | --- | | Recovery history requests | 108 | 3 | | Ping-response delay | About 4.6 seconds | Below the measurement's 1 ms resolution | A separate bounded-history fixture delivered all 320 events plus subsequent live traffic in **both** versions. Regression coverage exercises the real socket-handling task, including intermittent consumer capacity, fairness, failed writes and cancellation of capacity waits before live delivery. These are synthetic results, not production throughput measurements or evidence of a deployed cure. The full local `RUST_TEST_THREADS=4 just ci` run passed on September 4, 2026. Earlier unsuccessful local runs remain part of the validation history. The [recorded validation evidence and separate desktop follow-up](https://github.com/block/buzz/pull/7325#issuecomment-5540592398) preserve the original desktop mock-history scroll failure, its passing rerun and the remaining investigation. That desktop path does not run the agent connection code; neither this repair nor the passing rerun fixes the observed scroll problem. --------- Signed-off-by: Logan Johnson <loganj@squareup.com> * fix(mobile): render push notification sender identity as npub (#7494) 🤖 ## Summary When an iOS push notification comes from someone the app has no cached name for, the notification title showed the first characters of the sender's raw public key — for example `aa4fc866…`. That fragment is unreadable and doesn't match how the same person appears anywhere else in Buzz. This PR changes that title to the compact form of the sender's npub (npub is the human-readable encoding of a Nostr public key): first 8 and last 4 characters — for example `npub14f8…9nsy`, the same identity shape used across the desktop and mobile apps. - Unnamed senders: raw hex fragment → compact npub. - Named senders: unchanged — a sender the app has a display name for still titles the notification with that name. - Unverifiable sender identities (malformed keys, or lookalike strings that are not literal 64-hex-digit keys) now render a neutral "Someone" instead of partial raw key material. - Everything else about the notification is unchanged: body text, subtitle, thread matching and grouping, deep-link navigation, thread identifiers, and the internal hex public key the resolver matches on. The native iOS notification-service package (`BuzzPushKit`) gains a minimal in-house bech32 codec (bech32 is the checksummed string encoding npubs use) — checksum-validated, 32-byte keys only, and no new external dependency. The hex input branch accepts exactly a 64 ASCII hex digit key before any parsing, so strings that merely parse like hex (for example a run of `+a` pairs) cannot become a displayed identity; this is input validation for presentation. Event signature verification is untouched. ### Related issue Fixes: N/A. Searched existing issues/PRs for push-notification npub identity — closest related: none found. ### Testing At head `3e3f2813b8864b76257ccb50dea3a4b31fa4de0d` (base `44316ff72f5f7de014c66b01cbf534298a70c249`; 4 files, +321/−4): - CI `Mobile Swift` lane, at this exact head — all passed: `swift test` (73 tests, 0 failures), the SwiftPM debug and release builds of `mobile/ios/BuzzPushKit`, and the unsigned iOS release build. - Test coverage: npub encoding cross-checked against independent nostr-rs/NIP-19 vectors; rejection of bad checksums, mixed case, wrong lengths, invalid alphabet, padding, and non-32-byte payloads; resolver boundary matrix — hex/npub/invalid sender keys render compact npub or "Someone" while body, subtitle, sender key, and thread identifier pass through; named senders keep cached display names. ### Task provenance Buzz channel: `1f0e4a3d-7e01-4efe-bb16-843b357f85c9` Task: buzz://message?channel=1f0e4a3d-7e01-4efe-bb16-843b357f85c9&id=86b34eb4bd84a1472419e9af22636c011c0fe273e3c196f967d7a36996e149b6 --------- Signed-off-by: Logan Johnson <loganj@squareup.com> Co-authored-by: Larry <627498bd4bd1f281a16431e3c6cce3b5c25b6692798c78672298aefbf2f8f8b5@buzz.block.builderlab.xyz> * fix(desktop): shared npub identity foundation (canonicalNpub, PubKey gate, strict parser) (#7488) 🤖 ## Summary Identity keys in the desktop app are displayed as raw 64-character hex. A person's key shows up as something like `953d3363…` — unreadable, impossible to recognize as the same identity on another screen, and a hazard when copied by hand. Nostr (the protocol Buzz runs on) has a human-readable spelling for identity keys — the `npub1…` form — but the desktop app did not use it consistently. This is the foundation of the desktop npub changes: it adds the shared pieces every identity surface builds on, and two follow-up slices stack directly on this branch — #7489 converts the identity controls (profile, settings, allowlist, workflow key fields) and #7495 converts the everyday display surfaces (mentions, member lists, sidebar, and other name fallbacks). After this change: - The shared identity widget shows the compact npub form — `npub1j57...fjmv` — instead of a hex prefix, everywhere it renders (for example the owned-agent public-key row on a profile). Copying it puts the full npub on the clipboard. - Copy is a real interaction, verified end-to-end: both popover variants put the exact canonical npub on the actual clipboard — never the raw hex the popover also lists, never a truncation — and a portaled popover's clicks no longer steal focus from the new-DM To-field mid-copy. Pointer copy, a natural Space-then-Enter path, and inner/outer Escape are covered. - Anything that isn't a valid identity key fails neutrally: short or corrupt values — including degenerate values that technically encode to a checksum-valid npub but aren't real identity keys — show "Unavailable" with no copy button, instead of a misleading value. - Both valid npub spellings display: all-lowercase `npub1…` and all-uppercase `NPUB1…` (Bech32, npub's encoding, permits either casing) both render the same canonical lowercase npub. Mixed case is rejected by the display path as written — `canonicalNpub` and the widget don't case-normalize input — while input parsing (`parsePubkeyInput`) keeps its trim-and-lowercase normalization and accepts mixed-case npubs; both paths require the decoded payload to be exactly a 64-character identity key. - Identity-key input is strict on payload: an npub whose decoded payload isn't exactly a 64-character identity key is rejected, matching the validation the app's Rust side already applies to agent allowlists. Intentional scope boundary: only surfaces that render through the shared widget change here. Outer profile copy, settings identity cards, the respond-to allowlist, and workflow key fields still show hex — they move to npub in the controls follow-up (#7489). Nothing else changes identity representation: display names, private keys, event IDs, and the hex the app stores, sends, and matches internally are untouched; only the user-facing spelling of an identity key changes. ## Details - `desktop/src/shared/lib/pubkey.ts` — `canonicalNpub()`: strict canonical full-npub helper (64-char hex in any case, or a checksum-validated npub, returns the canonical npub; anything else returns `null`); `truncateNpub()`: the compact display form; existing exports unchanged. - `desktop/src/shared/ui/PubKey.tsx` — the shared widget's identity gate validates through `canonicalNpub`; the popover copies the npub only. - `desktop/src/shared/lib/nostrUtils.ts` — `parsePubkeyInput` rejects npubs whose payload is not exactly a 64-character identity key. - `desktop/src/features/messages/ui/NewMessageScreen.tsx` — the To-field focuses its search input only for clicks that land inside the field itself, so portaled recipient popovers keep their focus while open (a popover click previously dismissed it mid-copy). - Unit suites cover the helper, widget, and parser (including the degenerate-encode and uppercase regressions); the e2e specs that render these rows assert the npub display. ### Related issue - Fixes: N/A. Searched existing issues/PRs for npub identity display — no existing match. - Stack: #7489 is based on this branch and builds on these primitives; it does not stand alone on main. ### Testing At head `b3310c248` (base: main `44316ff72`; 12 files, +440/−39): - Focused unit suites (pubkey, PubKey, parsePubkeyInput): 20/20 green; mutation-checked — removing the decoded-length predicate fails the short/empty checksum-valid-npub assertions in `canonicalNpub` and the widget, and a wrong-identity clipboard value fails the new copy assertions. - `pnpm typecheck` and `pnpm check`: pass; full desktop unit suite 6459/6459 at this exact head. - Targeted e2e at this exact head: 8/8 across the two specs that own the clipboard flows — `agent-access-warning.spec.ts` (compact variant, agent-access owner hint) and `pubkey-display-screenshots.spec.ts` (full variant, new-DM recipient verification: pointer copy, popover surviving the copy, inner/outer Escape, Space-then-Enter). - No Rust-side or build files change in this PR, so those results are unaffected. ### Task provenance Buzz channel: `1f0e4a3d-7e01-4efe-bb16-843b357f85c9` Task: buzz://message?channel=1f0e4a3d-7e01-4efe-bb16-843b357f85c9&id=86b34eb4bd84a1472419e9af22636c011c0fe273e3c196f967d7a36996e149b6 --------- Signed-off-by: Logan Johnson <loganj@squareup.com> Co-authored-by: Larry <627498bd4bd1f281a16431e3c6cce3b5c25b6692798c78672298aefbf2f8f8b5@buzz.block.builderlab.xyz> * test(mobile): match SDK font filename case Signed-off-by: Michael Feth <mfethe1@gmail.com> * fix(desktop): npub identity displays for mention, member, and workflow surfaces (#7495) 🤖 ## Summary Every Buzz account is identified by a long public key. Before this change, when someone had no display name, surfaces fell back to inconsistent labels — mostly raw hex fragments like `abcd1234…wxyz`, sometimes a generic role label with no key — so the same person looked different from surface to surface, and nothing looked like an npub address. This PR applies the npub identity foundation from #7488 to the everyday surfaces: a person without a display name now falls back to the same compact npub everywhere — `npub1xxxx…yyyy`, the human-readable spelling of their public key (first 8 + last 4 characters of the full npub) — across messages and mentions, reactions, huddles, member and participant lists, the sidebar and channel activity, search, projects, tray, notifications, and workflow surfaces. - **Mentions and messages**: key-only mention chips render the compact npub. Pasting a copied mention back still re-binds it byte-exactly to the identity it declares, for both the new npub chips and legacy hex-truncated chips copied by older clients — wrong, missing, or tampered key qualification is rejected instead of silently degrading to plain text. - **Reactions and huddles**: huddle reaction events and the huddle roster/participants render the compact npub for unnamed participants; workflow reaction triggers describe authors with the same form. - **Members and sidebar**: channel and community member lists, add-member results and invites, the members sidebar, the channel-activity popover, search, projects (assignees/reviewers/PR panels), the tray menu, and desktop notifications all fall back to the compact npub; titles and aria labels keep the machine-readable full labels. - **Profile labels**: panel/popover display names and owner handles fall back to the compact npub (never raw hex) when there is no name; linked-event (nevent) message metadata shows the npub-shaped author fallback while the event lookup and event IDs are unchanged. - **Workflows**: author-picker secondary labels, step destination keys, and trigger-author references render compact npubs; event and blob IDs keep their existing hex compacts (they are not identities). - **Avatars stay distinct**: fallback avatars for key-only identities derive initials from the key's tail, so prefixed role labels like "Participant npub1…" no longer collapse every unnamed participant onto the same initials; people with names keep their name initials. Preserved exactly: display names and distinct avatars, internal hex keys (storage/API forms unchanged), clipboard identity roundtrips, event/blob ID compaction, private keys (no nsec path is touched), and nevent link handling. Scope: this PR changes what identity labels **display**, not identity controls — profile/settings copy controls, the respond-to allowlist, workflow key fields, and agent dialogs are the sibling slice #7489, and the shared primitives (`canonicalNpub`, `truncateNpub`, the `<PubKey>` gate, strict input parsing) come from the foundation #7488. ### Related issue - Fixes: N/A. Searched existing issues/PRs for duplicates — none found; the related work is the npub identity stack this slice belongs to. - Base/dependency: stacks on #7488 (foundation) — this PR does not stand alone on main. - #7489 is a sibling slice on the same #7488 base (profile/agent/workflow controls), not a dependency: this PR does not require #7489, and #7489 does not require this PR — both only require #7488. ### Testing At exact head `4763cbeae1dd521309755e6d61f657324cb98667` (base: `fix/desktop-npub-identity-d1a` @ `5f3a4a8111998c8aa41ad77cf66992bd1c85343c`; 71 files, +656/−189 — production +277/−136, test support +379/−53): - At this head: targeted `mentions.spec.ts` (1/1), the e2e build, typecheck, and biome — green. - 9 changed/related unit files: 100/100 green; typecheck, e2e build, biome, and px text/truncation checks clean; huddle-roster focused run green; channel-activity e2e 11/11; mutation checks confirm the fallback wiring (removing it collapses shared initials and drops fallback rows). - Known pre-existing local e2e failures, unchanged by this PR and reproduced identically at the upstream merge-base: huddle-transcription voice-menu attribution (25 pass / 1 fail) and the `workflow-local-controls` 438px caret drift. Not claimed green locally. - Update at head `236af9e6137386737e84d3a474d6bc808a704c50` (test-only follow-ups `1143af345` + `236af9e6`): the `workflow-local-controls` races were fixed in the test drivers, and the 438px diff was shown to be a stale Darwin snapshot baseline (name-row enable switch already absent and `message_posted` already MessageSquare at recording commit `9390e11c9`) and refreshed — the focused screenshot test, including keyboard/caret assertions, now passes locally (twice). The full spec was not rerun after the snapshot refresh; the huddle-transcription item above is unchanged. Label/copy text changes are asserted by the e2e specs (`mentions`, `mention-recipients`, `pubkey-display-screenshots`, `huddle-transcription`, `channel-activity-popover`, `workflow-local-controls`) rather than new screenshots; the screenshot spec pins the compact npub text forms. ### Task provenance Buzz channel: `1f0e4a3d-7e01-4efe-bb16-843b357f85c9` Task: buzz://message?channel=1f0e4a3d-7e01-4efe-bb16-843b357f85c9&id=86b34eb4bd84a1472419e9af22636c011c0fe273e3c196f967d7a36996e149b6 --------- Signed-off-by: Logan Johnson <loganj@squareup.com> Co-authored-by: Larry <627498bd4bd1f281a16431e3c6cce3b5c25b6692798c78672298aefbf2f8f8b5@buzz.block.builderlab.xyz> * fix(desktop): npub identity controls across profile, agents, and workflows (#7489) 🤖 ## Summary Building on #7488's npub foundation, this PR finishes the identity display change for the controls where you actually manage people and keys: profile, settings, agent access, and workflows. Everywhere in these surfaces, an identity key shows — and copies — as its canonical npub (npub is the human-readable encoding of a Nostr public key: the compact `npub1j57...fjmv` form where space is tight, the full npub where the whole key matters), and accepts npub as input. After this change: - Profile panel: the public-key row and the managed-by / declared-owner copies show the full npub. If a key can't be encoded, you see "Unavailable" with no copy button — never a raw or partial key. - Settings: the identity card shows and copies the npub. The hosted-communities account identity derives from the bound key (`pubkey_hex`) — the same authority as the mismatch gate and hosted operations — so the display can never disagree with what the app acts on; an unusable hex falls back to a neutral label instead of rendering the unverified server npub. The connected claim and a community's Connect action require that same usable bound key to match the local one — with no usable binding the card cannot claim connected or start Connect, while the community list, linking, and delete/rebind recovery stay available. - Hosted create/onboarding: the account and device identity rows in the create flow and owner onboarding derive from the same authoritative fields (bound key / local key), with the same neutral fallback; readiness requires a usable bound key that matches the local one. - Respond-to allowlist (controls who may respond to an agent): entries can be typed or pasted as hex or npub; both spellings of the same key are recognized as one entry and dedupe. Search results, chips, and remove buttons use the compact npub. - Workflow key fields: to/from keys display as npubs in the form and save back as canonical hex. Templates like `{{trigger.author}}`, roles, and free text pass through untouched; placeholders accept both spellings. - Recipient and agent dialogs: the verify popover is npub-only (the raw-hex line is gone); denied-membership screens never show a raw key. - The Rust-side truncated display name (used for native surfaces) shows the same compact npub, so those surfaces match the web UI. Internal representation is unchanged: keys are still stored, sent, and matched as canonical 64-character hex — npub is a display and input spelling, normalized to hex at the boundary, so existing data and integrations keep working. Bound-key usability and comparison use one normalized form (trimmed, lowercased, 64 hex characters; npub rejected), so padded or mixed-case spellings of the same key match. Display names, private keys, and event IDs are untouched. ## Details - `respondToAllowlist` / `RespondToField`: npub entries normalize to canonical hex; cross-form dedupe; compact npub in rows and chips; direct-add accepts npub and stores canonical hex. - `workflowFormTypes` / `WorkflowStepCard`: hex → npub for display, npub → canonical hex on save; templates, roles, and free text pass through in both directions (roundtrip-tested). - `UserProfilePanelFields`, `ProfileSettingsCard`, `HostedCommunitiesSettingsCard`, `MembershipDenied`, `SelectedRecipientChip`, `AddAgentToChannelDialog`: npub display and copy; invalid keys → "Unavailable" with no copy; hosted identity rows derive from the bound `pubkey_hex` (create/onboarding rows from the bound and local keys), never the unverified server npub; connected/readiness/Connect gates use the same usable-bound-key predicate, and the settings Connect invocation callback re-checks it before starting. - `src-tauri/src/commands/identity.rs`: `truncated_display_name` compacts to the first 8 + last 4 characters of the npub (above a 12-char threshold), mirroring `truncateNpub`. - e2e: profile key rows and clipboard polls assert npub forms and raw-hex suppression; the display-screenshots spec pins the npub-only popover; hosted specs drive the real settings card, create flow, and onboarding rows through their real providers, and the unlinked/npub-only identity cases assert no connected claim and no Connect action. ### Related issue - Fixes: N/A. No separate issue; the related work is the stack below. - Stack: builds on #7488 (shared npub foundation), now merged; this PR is rebased onto main and stands on its own. ### Testing At head `303c90ffa` (base: main `bfc38485`; 24 files, +1125/−146): - Focused unit suites (respondToAllowlist, workflowFormTypes, hostedCommunityApi bound-key helpers) green; mutation-checked — dropping allowlist canonicalization fails the dedupe case, and dropping bound-key normalization fails the npub-in-hex and padded same-key cases. - Full desktop unit suite 6,477/6,477, `desktop-typecheck`, `desktop-check` (formatting fixed narrowly with `biome check --write` on the touched files only), and a fresh E2E build at the current head; the add-community + hosted-communities-settings specs 18/18 and onboarding integration 69/69 on a fresh dedicated port, with focused new-case runs 4+4 covering padded same-key (ready, Connect kept — no false rebind) and npub-in-hex (neutral label, recovery, no Connect) across the settings card, create flow, and first-community onboarding, plus the unlinked-account settings regression asserting Connect cannot occur. - `cargo fmt`/clippy (both feature sets) and `cargo test identity` (71 pass) passed at the earlier full-change head; since then, the only production changes in this PR's delta are the hosted identity display authority and its fail-closed bound-key gating/normalization above (base-side fixes carry #7488's receipts) — every other change is test-only. ### Task provenance Buzz channel: `1f0e4a3d-7e01-4efe-bb16-843b357f85c9` Task: buzz://message?channel=1f0e4a3d-7e01-4efe-bb16-843b357f85c9&id=86b34eb4bd84a1472419e9af22636c011c0fe273e3c196f967d7a36996e149b6 --------- Signed-off-by: Logan Johnson <loganj@squareup.com> Co-authored-by: Larry <627498bd4bd1f281a16431e3c6cce3b5c25b6692798c78672298aefbf2f8f8b5@buzz.block.builderlab.xyz> * fix(mobile): standardize public-key identity display on npub (#7493) 🤖 ## Summary In the mobile app, anyone who hasn't set a display name shows up as a raw 64-character hex key (e.g. `3a5d4f9c…`) — unreadable, and unrecognizable as the same identity across screens. Profile and Settings also let you copy that raw hex. Nostr public keys have a standard readable form — `npub1…`, the same encoding other Nostr apps and our desktop app already display. This PR makes every mobile identity surface render npub instead: - **Unnamed people everywhere** — message and thread authors, reactions, typing indicators, member lists, channel details, DM headers and tiles, inbox, search, forum cards, Pulse notes and reply context, mention suggestions, and invite rows — now show a compact npub label: first 8 + last 4 characters of the full npub joined by an ellipsis (`npub1abcd…wxyz`), the same truncation desktop uses. Previously these showed truncated raw hex. - **DM fallback avatars and blank names** — 1:1 DM tiles and headers key their fallback avatar to the same non-self counterpart the label names, including self-first participant order; a self-DM keeps its hex-key-derived initial. Blank or whitespace-only display names fall back to the compact npub instead of rendering empty, while nonblank authored names render verbatim (padding included). - **Profile sheet → "Copy public key"** now copies the full canonical npub — never raw hex. When the identity string isn't a valid public key, the copy tile is disabled, so a malformed key never reaches the clipboard. - **Settings → Identity (pubkey)** displays and copies the full npub; an invalid identity reads "Identity unavailable" with copy disabled. - **Invalid identities never leak truncated raw hex** into the UI anywhere — they render a neutral "Unknown identity" label. - **Unchanged on purpose:** display names and verified handles (NIP-05 — the `name@domain` badge) still render as before. Unnamed avatars keep distinct per-key initials, derived from the underlying hex key rather than the npub — otherwise every unnamed key would render the same "N" initial. Event IDs are not public keys, so they keep their hex truncation (in Pulse's "Replying to", the parent author shows npub while an event-id fallback still shows hex). The nevent share link, private keys, and internal hex storage are untouched. Inputs that accept a key (invite/member entry) accept both hex and npub and keep working in hex internally. ### Related issue N/A. Searched open issues/PRs for npub identity display on mobile — closest related: none found. Desktop's parallel npub standardization lives in the stacked desktop PRs (#7488 foundation, #7489 controls, #7495 display surfaces); this is the independent mobile slice (based directly on `main`, not on those branches). ### Testing At exact head `5a620e420a1fd57d9d8011ac26434eed32fcf765` (base: `main` `44316ff72`; 40 files, +1,345/−154): - Full mobile suite: 2,098 tests passing (`cd mobile && flutter test`); `flutter analyze` clean; `dart format --set-exit-if-changed .` clean — the same checks CI runs. - Widget/unit coverage at production seams: compact labels and hex-keyed avatar initials for DM headers/tiles, member rows, mention suggestions, and Pulse reply context; DM fallback avatars keyed to the labeled counterpart (self-first order and self-DMs); blank/whitespace display-name npub fallback with nonblank authored labels verbatim, including the Activity inbox sender and profile-sheet heading (each with its own empty/whitespace production-seam regression); full-npub copy and disabled-copy semantics in profile and settings; invalid-key suppression; and hex↔npub input round-trips. Verified via unit and widget tests — no device/simulator validation is claimed. ### Task provenance Buzz channel: `1f0e4a3d-7e01-4efe-bb16-843b357f85c9` Task: buzz://message?channel=1f0e4a3d-7e01-4efe-bb16-843b357f85c9&id=86b34eb4bd84a1472419e9af22636c011c0fe273e3c196f967d7a36996e149b6 --------- Signed-off-by: Logan Johnson <loganj@squareup.com> Co-authored-by: Larry <627498bd4bd1f281a16431e3c6cce3b5c25b6692798c78672298aefbf2f8f8b5@buzz.block.builderlab.xyz> * test(mobile): align fork identity fixtures with upstream npub labels Upstream #7488/#7493 made the compact npub the canonical identity label and made shortPubkey return 'Unknown identity' for non-key strings. Three fork tests still expected raw-hex truncation or accepted invalid keys: update fixtures/expectations to the npub contract. Behavior under test (plain-text actor labels, digest author naming) is unchanged. Signed-off-by: Michael Feth <mfethe1@gmail.com> * fix(desktop): order unnamed roster members by full canonical npub (#7503) 🤖 ## Summary - Channel members appear in the Members sidebar. A member who has never set a display name is listed under an abbreviated form of their public key (npub), and the sidebar previously sorted those unnamed members by that short label. Short labels are not unique — different keys can share one — so the order of unnamed members could look arbitrary or unstable. Unnamed members now sort by their full public key, so the order is deterministic. - When two members display the same name, the previous tiebreak was membership order (who joined first), which is not visible to a reader and can shift as roster data loads in. The tiebreak is now the full public key, so identical display names always land in the same order. - Nothing gets noisier on screen: the full key is used only for sorting, and the sidebar still shows the compact abbreviated form. Priorities are unchanged — authored (custom) names still outrank fallback labels, and role/current-user grouping still applies. - Scope is the desktop app's Members sidebar and member management: the two existing sort comparators. Mobile and other lists in the app are untouched. ### Related issue Based on #7495 (introduced the abbreviated npub labels this follows up on). The original five presentation PRs remain independently reviewable. No closer duplicate found. ### Testing - 6469 desktop unit tests, typecheck, and check pass. - The 3 existing consumer-seam E2E tests still pass; a new E2E test asserts the sidebar lists unnamed members in full-key order, with fixture members deliberately inserted in the opposite order so incoming membership order cannot mask the sort. - Negative check: reverting only this change makes the new ordering assertion fail, so it genuinely binds the new sort. - CI has not run on this PR yet. Buzz provenance: channel 1f0e4a3d-7e01-4efe-bb16-843b357f85c9 / task 340c3de9b27dbedb8453c0c7652220f9080d30fcc70a7c4f6e27fdd4fa378056 --------- Signed-off-by: Logan Johnson <loganj@squareup.com> Co-authored-by: Larry <627498bd4bd1f281a16431e3c6cce3b5c25b6692798c78672298aefbf2f8f8b5@buzz.block.builderlab.xyz> * fix(desktop): require a Codex adapter with Astra support (#7427) ## Summary Buzz considers codex-acp 1.6.2 current because the supported adapter floor is still 1.1.7. That adapter bundles Codex 0.148.0, so updating a separate Codex CLI to 0.153.4 leaves managed agents on the older runtime and unable to use GPT-6 Astra. Raise the supported adapter floor to the published 1.10.0 release, which depends on `@openai/codex ^0.153.3`. Existing discovery and installation code then classifies older adapters as outdated and offers the managed reinstall path. Update the availability and install-plan regressions to cover the observed 1.6.2 installation and the new minimum. This follows the existing version-floor policy. It does not automatically update a running installation: the user must complete Buzz’s offered adapter upgrade. Future upstream compatibility changes may require another floor update. ### Related issue No exact duplicate found in searches for Astra, CODEX_PATH, bundled Codex, outdated runtime, and codex-acp 1.10. Related: #3097 raised the older floor to 1.1.7 (already present on main); #2422 covers lost error details for runtime mismatches. Neither resolves this version gap. Originating conversation: buzz://message?channel=3286cd76-f83e-4c7d-8317-10a16580744d&id=8b79a73078217222b870fff144c27e7d27bcd5a67c966869c18fe726db716898 ### Testing - Isolated npm install of codex-acp 1.10.0 resolved bundled Codex 0.153.4, with no CODEX_PATH override. - Live macOS ACP probe: initialize protocol v1 → session/new → select gpt-6-astra[medium] → prompt. Received `OK` and `stopReason: end_turn`; usage metadata confirms gpt-6-astra. - Existing adapter 1.6.2 initialized but advertised no Astra model in the same probe. - Desktop Rust formatting and `git diff --check` pass. - `just desktop-tauri-test`: 3,266 passed, 20 ignored, zero failures across the Desktop workspace and integration tests. - Workspace and Desktop Clippy, frontend static checks, and `just file-size-check` pass. - Repository `just ci`: still running the remaining mobile/build/workspace-test stages. The installed Buzz app and managed adapter were not replaced or restarted. The live check validates the new adapter/runtime path; a complete packaged Desktop upgrade workflow remains untested. Signed-off-by: Stephen DeLorme <stephen@d.elor.me> * fix(buzz-acp): report missing models without retrying (#7538) ## Summary When an agent reports model-not-found, Buzz retries the unavailable model and delays the failure reply until retries are exhausted. Stop retrying this error and immediately post a threaded recovery notice. The notice tells users to select a different model in agent settings, save, restart the agent to apply the configuration, and re-send their request. This adds one error-handling branch and regression coverage in `buzz-acp`. It matches `-32002` errors containing `model not found`. Other resource-not-found errors, such as stale sessions, retain the existing retry behavior. Detailed error events remain available for diagnosis. The existing restart policy is unchanged. ### Related issue None found in existing issue/PR searches for model-not-found recovery. ### Testing Playwright captured and visually checked the thread UI with seeded conversation data and the exact recovery text. The check opens the request's thread, confirms no reply before the failure, injects the notice, and verifies the full text is visible. [Before/after screenshots](https://github.com/block/buzz/pull/7538#issuecomment-5608196506) show the corrected save-and-restart instructions. These are local test captures, not a deployed provider recovery flow. Generated with Codex --------- Signed-off-by: Diem Nguyen <diem@squareup.com> * [lenny] fix(deps): sync Cargo.lock with merged Cargo.toml manifests The upstream merge combined new dependencies from both sides but left Cargo.lock at its pre-merge state. Docker builds run with --locked and reject a lockfile that does not match the manifests: 'the lock file needs to be updated but --locked was passed' Adds only the union of both sides' new deps (buzz-acp: async-trait, rusqlite, tempfile; buzz-persona: url). No version changes. * [lenny] fix(mobile): dart format thread_summarize_action_test 'dart format' collapses the _message(...) call onto one line (fits in 80 cols). Fixes the mobile format CI failure. Signed-off-by: Michael Feth <mfethe1@gmail.com> * [lenny] fix(deps): bump rustls 0.23.42 -> 0.23.45 for RUSTSEC-2026-0285 TLS 1.3 handshake messages were accepted across encryption level boundaries; patched in >= 0.23.45. Lockfile-only bump (rustls, rustls-webpki 0.103.15, aws-lc-rs 1.18.1, aws-lc-sys 0.45.0). Signed-off-by: Michael Feth <mfethe1@gmail.com> * test(desktop): scope e2e text locators past the timeline aria-live region The sr-only TimelineAnnouncementRegion echoes the latest message text, so bare getByText(...) locators resolve to 2 elements (strict mode violation) whenever the announcement matches the asserted text. thread-unread 15-mark-read-unread-menu-single-toggle failed 3/3 on runs 34877681776, 34877661550, 34666787614 and product/main with 'getByText("Toggle me") resolved to 2 elements'; same pattern in thread-reply-anchor-roleplay 01/03/04 ('Nora: adding context', 'Brain: Check the anchor' ...). Scope the locators to the timeline / thread panel so they resolve uniquely. Local: pnpm build:e2e + playwright smoke on both specs = 17 passed. Signed-off-by: Lenny <lenny@buzzagents.dev> --------- Signed-off-by: Tolga Cinisli <tolgacinisli@gmail.com> Signed-off-by: Salman Mohammed <smohammed@squareup.com> Signed-off-by: Fizz <400e8babadcee6a7f420103f10a2849d84c4a9c71d5bd04f3948c814216648a3@buzz.block.builderlab.xyz> Signed-off-by: Michael Neale <michael.neale@gmail.com> Signed-off-by: Jimmy <1fe240cd1a8cf775f6f3060f115e5a303181f3abf28ad4cb0c2515f4a02b36a8@meshllm.communities.buzz.xyz> Signed-off-by: Alessandro Joabar <sandro@squareup.com> Signed-off-by: Taylor Ho <taylorkmho@gmail.com> Signed-off-by: Logan Johnson <loganj@squareup.com> Signed-off-by: Michael Feth <mfethe1@gmail.com> Signed-off-by: Stephen DeLorme <stephen@d.elor.me> Signed-off-by: Diem Nguyen <diem@squareup.com> Signed-off-by: Lenny <lenny@buzzagents.dev> Co-authored-by: TolgaCinisli <tolga.cinisli@photier.com> Co-authored-by: Tolga Cinisli <tolgacinisli@gmail.com> Co-authored-by: Salman Mohammed <smohammed@squareup.com> Co-authored-by: Bradley Axen <baxen@squareup.com> Co-authored-by: Fizz <400e8babadcee6a7f420103f10a2849d84c4a9c71d5bd04f3948c814216648a3@buzz.block.builderlab.xyz> Co-authored-by: Mic Neale <mic@spiral.xyz> Co-authored-by: Michael Neale <michael.neale@gmail.com> Co-authored-by: Jimmy <1fe240cd1a8cf775f6f3060f115e5a303181f3abf28ad4cb0c2515f4a02b36a8@meshllm.communities.buzz.xyz> Co-authored-by: Mic Neale <305999590+micspiral@users.noreply.github.com> Co-authored-by: Alessandro Joabar <sandro@squareup.com> Co-authored-by: Taylor Ho <taylorkmho@gmail.com> Co-authored-by: Carl <acda9e433d19dcd0e6b6840f7f4b98f3a56f1fab98049d444c087019e6d36560@buzz.block.builderlab.xyz> Co-authored-by: Carl <acda9e433d19dcd0e6b6840f7f4b98f3a56f1fab98049d444c087019e6d36560@users.noreply.github.com> Co-authored-by: Logan Johnson <loganj@squareup.com> Co-authored-by: Larry <627498bd4bd1f281a16431e3c6cce3b5c25b6692798c78672298aefbf2f8f8b5@buzz.block.builderlab.xyz> Co-authored-by: Stephen DeLorme <stephen@d.elor.me> Co-authored-by: Diem Nguyen <ngthuydiem@users.noreply.github.com> Co-authored-by: Lenny <lenny@buzzagents.dev>

…CP session scope, thread-context dedup) (#64) * fix(mobile): style inline code with the app mono face (#6631) ## Summary Inline code on mobile renders as **bold body text on a faint background wash** — no monospace face, no chip, and it cannot wrap. #5257 diagnosed this as a missing `highlightBuilder`. That is no longer the right fix. `gpt_markdown` 1.2.0 deprecates `highlightBuilder` (removal in 2.0.0), renders inline code as a real chip, and adds `InlineCodeStyle` for restyling it. The package author confirmed this on the issue. So this PR is an upgrade — 1.1.6 → 1.2.1 — plus one theme declaration, rather than the builder the issue originally asked for. **Where the style is declared.** `GptMarkdownThemeData` goes in `AppTheme._buildTheme`, which both `light()` and `dark()` call. That reaches all four `GptMarkdown` call sites — `message_content`, `transcript_item_widget`, `token_pill`, `custom_emoji_render` — so the style is stated once instead of per widget. A widget-level `inlineCodeStyle` would have covered channel messages only, leaving the other three on the package's defaults. **What is declared.** Face, size, ink, chip fill and outline — not the face alone. A face name on its own leaves the rest on the package's defaults, which put inline code at 14.1sp beside a fenced block's 13, on a neutral `onSurface` tint rather than the app's code surface. In dark that tint is *lighter* than the surface, while every other code surface in the app is recessed, so the chip read as a different kind of object. All of it now comes from one `CodeStyle` declaration that the fenced block reads from too, so the two cannot be edited apart. **Three adaptations the upgrade requires.** Each was found by running the gate, not by reading the changelog: 1. **`imageBuilder` widened** to `(context, url, width, height)`. This is a hard compile error, and it is **not listed in the package's migration guide**, which states "nothing here stops code compiling". Worth reporting upstream. 2. **`autolink` now defaults to `true`.** `normalizeBareLinks()` already rewrites bare URLs into Markdown links before rendering, so both would run. `message_content` opts out with `autolink: false` to keep current behaviour exactly. The migration guide argues for dropping the pre-processor instead — a better fix, but a behavioural change that belongs in its own PR. 3. **`gpt_markdown.dart` now re-exports `markdown_config.dart`**, making two direct imports redundant. `flutter analyze` reports `No issues found!` on 1.1.6 and flags both on 1.2.1, so these warnings are new, not pre-existing. **Deliberately out of scope.** The three non-message call sites now autolink bare URLs, since only `message_content` has a pre-processor to collide with. Custom inline components (`_MentionMd`, `CustomEmojiMd`, `_ChannelLinkMd`) could additionally declare `allScopesExceptLinkLabel` — 1.2.0 offers it as the fix for a `WidgetSpan` chip going blank inside a link label on iOS — but current behaviour is unchanged without it, so that stays a separate change. ### Related issue Fixes #5257 Duplicate scan: searched `gpt_markdown`, `inline code mobile`, `highlightBuilder` and `InlineCodeStyle` across both PRs and issues. No open PR touches inline code styling. #6135 (link labels) and #6166 (text selection) also touch mobile Markdown but address different defects. ### Testing Full gate, `just ci` — exit 0: | Stage | Result | |---|---| | Rust (33 suites) | 4768 passed, 0 failed | | Desktop | 5799 passed, 0 failed | | Mobile | **2011 passed**, 0 failed | | `flutter analyze` | `No issues found!` | | Desktop + web build | ok | Run on the branch with `main` merged in, so these numbers match what CI builds. **New regression test** — `renders inline code in the app code style`. It resolves the `CodeTextSpan` the package tags inline code with, which carries both the resolved `TextStyle` and the colours the chip behind it is painted with, so face, size, ink, fill and outline are all asserted rather than a widget's presence. It is negative-controlled: reverting only the theme declaration fails it with ```text Expected: a numeric value within <0.001> of <13.0> Actual: <14.1> ``` and dropping the declaration entirely falls back to `packages/gpt_markdown/JetBrainsMono` — so the test measures the real thing, and it would catch a future regression that silently drops the theme extension. The test passes `baseStyle: messageBodyTextStyle`, the style the message surfaces actually use; the widget's own fallback is the smaller `bodyMedium`, which would move the expected size. The test finds paragraphs with `find.byWidgetPredicate((widget) => widget is RichText)`, not `find.byType(RichText)`: inline code renders through `BidiRichText`, a `RichText` subclass, and `byType` matches exact runtime types. That is a hazard for any test that reads text back out of a paragraph, and one landed after this branch was cut: `message_content_custom_emoji_test.dart` arrived with #6996 and its `code keeps literal emoji while adjacent known tokens render` case reads a code span through `find.byType(RichText)`. It passes on `main` and fails on the merge result, which is what CI builds, so it went red only once CI was authorized. It now uses the same predicate. The two other `byType(RichText)` call sites — the rest of that file and `message_author_meta_test.dart` — were re-run and pass: their content carries no code span, so the exact type still matches. They were left alone. ### Screenshots Rendered through the real `MessageContent` widget with the app's own fonts loaded, at 390pt wide, 3x DPR. Sample text: ``Set `BUZZ_RELAY_URL` before launch, then run `just mobile-test` to verify.`` | | Before (1.1.6) | After (1.2.1) | |---|---|---| | Light | ![before-inline-code-light](https://raw.githubusercontent.com/TolgaCinisli/buzz/2d2d846291416d9b32d3fb9cfead950bcc4fe123/pr-6631--before-inline-code-light.png) | ![after-inline-code-light](https://raw.githubusercontent.com/TolgaCinisli/buzz/f230b95c7260a32bd5d76b1ac42130720a168521/pr-6631--after-inline-code-light.png) | | Dark | ![before-inline-code-dark](https://raw.githubusercontent.com/TolgaCinisli/buzz/2d2d846291416d9b32d3fb9cfead950bcc4fe123/pr-6631--before-inline-code-dark.png) | ![after-inline-code-dark](https://raw.githubusercontent.com/TolgaCinisli/buzz/f230b95c7260a32bd5d76b1ac42130720a168521/pr-6631--after-inline-code-dark.png) | Before: bold Inter on a flat wash, no chip edge, and `just mobile-test` breaks across the line with the wash simply ending. After: Geist Mono in a bordered, rounded chip, and the wrapped fragment gets its own chip on each line. --------- Signed-off-by: Tolga Cinisli <tolgacinisli@gmail.com> Co-authored-by: Tolga Cinisli <tolgacinisli@gmail.com> * fix(buzz-acp): wake held ACP threads and fence forked sessions (#7340) ## Summary Adds an independent deadline wakeup so held thread work dispatches after its 10-second bound even when the relay loop is otherwise quiet. Fences session ownership by generation so a worker returning after a fork cannot make an older provider session claimable again. This follows up on the two post-merge findings from [#7337](https://github.com/block/buzz/pull/7337#pullrequestreview-5116329341). ### Related issue Follow-up to #7337. ### Testing - `cargo test -p buzz-acp` - `cargo clippy -p buzz-acp --all-targets -- -D warnings` - Pre-push file-size, differential Rust test, and desktop Tauri gates No UI changes. --- **Update Sep 4, 15:35:** Addressed both Codex review findings. - Queue-cap eviction now prunes orphaned hold deadlines. - An expired hold stays expired until a worker is successfully claimed. - Hold timers remain disabled while every worker is busy; worker return wakes dispatch directly. - Added regressions for queue eviction and pool exhaustion. Generated with Codex --------- Signed-off-by: Salman Mohammed <smohammed@squareup.com> * fix(agent): route GPT-5+ model-service FQNs to Responses (#7358) ## Summary Route Databricks Unity Catalog model services to OpenAI Responses when their service name matches GPT-5 or newer. These models can reject tools plus reasoning on Chat Completions. Match only the service component, using the existing family-token boundaries and a numeric major version. Catalog and schema names cannot select the protocol. Keep neutral effort capabilities and the full model ID unchanged; other services still use MLflow Chat Completions. Keep the Rust and desktop resolvers in sync, add shared boundary cases and a captured-HTTP regression for completion and summarization, and update the documented FQN rule. ### Related issue No duplicate found in searches for “FQN responses” PRs or “astra” issues. Related: #6918 introduced Unity Catalog discovery. Originating conversation: buzz://message?channel=0b881928-a3a6-4c01-b981-8e64268f01ce&id=770949343bc96a9ed88acd90a1b37d358a0efc52c79237d0fdb491ce02b8d4ed ### Testing No live Databricks inference test. The gateway must accept the full model-service ID on its OpenAI Responses route; this remains the integration risk. The local `just ci` attempt exceeded its five-minute deadline during `mobile-check`, so the full repository gate was not completed. All push-hook checks passed. Generated with Codex Signed-off-by: Fizz <400e8babadcee6a7f420103f10a2849d84c4a9c71d5bd04f3948c814216648a3@buzz.block.builderlab.xyz> Co-authored-by: Fizz <400e8babadcee6a7f420103f10a2849d84c4a9c71d5bd04f3948c814216648a3@buzz.block.builderlab.xyz> * feat(mesh): upgrade to mesh-llm 0.76.0-rc8 and recommend Qwen3.8 27B (#6189) Upgrades Buzz's mesh-llm dependencies through the released `v0.76.0-rc8` tag (`2040765d`), including the Qwen3.8 curated recommendation and rc8's scheduler/runtime improvements. **Scope note:** the earlier open-relay/unenforced-admission mode has been removed from this PR at Mic's direction — it is not a product mode we want. Mesh admission remains roster/allowlist driven, exactly as on `main`: on a relay with no NIP-43 membership snapshot the mesh runs self-only. No NIP-11 mode probing, no mode-transition restarts. A future perimeter/admission strategy for open relays will be designed separately. This PR also: - seeds `BUZZ_AGENT_LLM_TIMEOUT_SECS=660` for mesh agents, above MeshLLM's 600-second backend timeout; - makes `desktop-tauri-clippy` lint both default and `mesh-llm` cfg graphs; - runs the feature-enabled desktop test suite in CI; - recommends Qwen3.8 27B Q4_K_M for 64 GB-and-larger machines, then ladders down through Gemma 4 E4B and Qwen 9B for smaller machines; - keeps stored shared-compute `auto` translated to MeshLLM's supported wire model `mesh`. RC8 verification: - `just ci` passed locally at `92ecc7ec933bdd4df804cc9f28a2b51efa5313c5`. - Pre-push differential gates passed, including both desktop Tauri cfg graphs and package tests. - A prior isolated runtime smoke used the RC8 binary's OpenAI endpoint for a Buzz-shaped system/user/tool/tool-result/final-response loop; all assertions passed and the isolated process was shut down. Perf previously measured on M5 Metal, Qwen3.8-27B-Q4_K_M: TTFT 0.22–0.32 s, ~25 tok/s streaming; agent-shaped turns ~1 s to first token after the first (prefix cache). --------- Signed-off-by: Michael Neale <michael.neale@gmail.com> Signed-off-by: Jimmy <1fe240cd1a8cf775f6f3060f115e5a303181f3abf28ad4cb0c2515f4a02b36a8@meshllm.communities.buzz.xyz> Signed-off-by: Alessandro Joabar <sandro@squareup.com> Co-authored-by: Michael Neale <michael.neale@gmail.com> Co-authored-by: Jimmy <1fe240cd1a8cf775f6f3060f115e5a303181f3abf28ad4cb0c2515f4a02b36a8@meshllm.communities.buzz.xyz> Co-authored-by: Mic Neale <305999590+micspiral@users.noreply.github.com> Co-authored-by: Alessandro Joabar <sandro@squareup.com> * fix(link-preview): keep composer fetches user-paced (#7211) **Category:** fix **User Impact:** Link previews can keep loading while a message is being composed, while sending still has a finite escape hatch and stalled network transports cannot occupy preview slots forever. **Problem:** Native metadata and image deadlines could collapse slow previews into fallback cards while the user was still composing, and a shared image-host cooldown made pasted batches fail inconsistently after one rate limit. **Solution:** Keep preview resolution user-paced with no aggregate request deadline, bound transport inactivity (15s DNS/connect, 30s idle read), serialize image requests by host, and allow at most one server-directed cooldown wait of up to 30s across an image fetch and its redirects. The existing bounded post-Send preparation and immediate Skip paths remain unchanged. <details> <summary>File changes</summary> **desktop/src-tauri/src/commands/link_preview.rs** Removes aggregate native deadlines so composer metadata work can complete at the user's pace, while retaining DNS/connect/idle-read liveness bounds. Adds bounded host-paced image request coordination that releases its gate during cooldown, waits inline at most once for at most 30 seconds, and cannot renew that wait through redirects or the outer transient retry. Same-host image and favicon requests remain deliberately serialized to align with host rate limits. **desktop/src-tauri/src/commands/link_preview_rate_limit.rs** Adds a fixed-size striped host gate so concurrent image requests are serialized without retaining an unbounded attacker-controlled hostname map. **desktop/src-tauri/src/commands/link_preview_tests.rs** Moves native link-preview tests into a dedicated module and covers the user-paced metadata contract, bounded one-shot cooldown behavior, and gate release while a rate-limited request sleeps—including a different host sharing the same bounded gate stripe. **desktop/src-tauri/src/commands/link_preview_youtube.rs** Removes the thumbnail fetch deadline so YouTube previews follow the same composer lifecycle contract while using the shared bounded transport. **desktop/src/shared/lib/useResolvedLinkPreviews.ts** Adds development-only metadata outcome diagnostics with elapsed time and image/fallback state, without logging encoded image payloads. </details> ### Reproduction steps 1. Open the desktop composer and paste several GitHub pull request links whose OpenGraph images share a host. 2. Observe that image requests are paced by host instead of racing, and slow-but-progressing preview work remains pending rather than immediately becoming a completed favicon fallback. 3. Send while preview work is still pending and confirm **Preparing link preview** remains bounded by the existing post-Send budget. 4. Use **Skip** during preparation and confirm the message proceeds immediately. 5. In a development build, inspect the console for `[link-preview] metadata fetch completed` diagnostics containing elapsed time and image state without base64 payloads. ### Related issue N/A — scoped from the linked Buzz implementation room. ### Testing At current head `dfb394aafbee537e9ffb04ad3732d08f65f30b8e`: - Production-bound paused-time metadata regression passed through `fetch_link_preview_metadata`; restoring the former 10-second aggregate wrapper makes it fail at the pending assertion. - Native link-preview module: 19/19 passed. - `cargo check --manifest-path desktop/src-tauri/Cargo.toml` passed. - Rust formatting and `git diff --check` passed. - Pre-push `push-head-scope`, org safety, differential file-size, branch-skew, and `desktop-tauri-checks` hooks passed. At prior head `59e2dcf167b15c7a3e637ad2608008b7f9cef5f3`: - Full Tauri Rust suite: 3,056 passed, 19 ignored; integration crates 7 + 3 passed. - Focused native link-preview suite: 26/26 passed. - The pasted multi-preview workflow was exercised in the desktop app and confirmed improved before draft publication. --------- Signed-off-by: Taylor Ho <taylorkmho@gmail.com> Co-authored-by: Carl <acda9e433d19dcd0e6b6840f7f4b98f3a56f1fab98049d444c087019e6d36560@buzz.block.builderlab.xyz> Co-authored-by: Carl <acda9e433d19dcd0e6b6840f7f4b98f3a56f1fab98049d444c087019e6d36560@users.noreply.github.com> * fix(acp): pace targeted overflow recovery on consumer capacity (#7325) 🤖 ## Summary When a Buzz agent falls behind on incoming messages, its connection can make the backlog worse while trying to recover. The connection buffers messages from the relay server until the agent is ready to process them; if that buffer overflows, recovery previously requested history for **every subscribed channel** and paused socket reads while sending those requests. That adds traffic to an already overloaded connection. This change requests history only for affected subscriptions, once the code consuming those messages has room, with at least five seconds between attempts. The recovery path now: - Combines repeated losses into one pending recovery per affected subscription, keeping the oldest dropped timestamp so replay starts early enough. - Waits until at least half the consumer queue is free and the relay's existing rate-limit delay has expired. The queue wakes recovery when space becomes available; recovery does not periodically sample capacity or hold queue space away from live messages. - Attempts one subscription at a time, choosing the least recently attempted so a busy channel cannot crowd out other channels or membership notifications. The five-second delay starts when an attempt finishes, including a failed write; failed writes leave recovery pending. Recovery is paced by available capacity, not by how often messages are lost. This is not a larger buffer or a cutoff that abandons recovery. Subscription identifiers, message filters, replay timestamp overlap and duplicate filtering are unchanged; no downstream agent changes are required. This targets a reproducible overload **amplifier**, not every cause of overload or every catch-up limitation. The initial live overload's cause has not been established. Recovery remains best effort: a successful request write is not proof of delivery, and existing history/retention limits, bounded duplicate tracking and replay limitations still apply. There is no exactly-once or complete catch-up guarantee. A stalled write can still pause socket reads for the existing ten-second timeout; the pacing bound does not cover initial subscriptions, reconnects or other retry paths. ### Related issue Closest related: #5014 (channel re-subscription); also #6661 (membership reconciliation) and #6090 (relay backpressure gap signaling). This addresses local overflow recovery scheduling, not those separate mechanisms. ### Testing Recorded offline comparisons against the previous behavior, with the final implementation at `8000636f3073167c5a5107bb179c7d91160f1729`: | Same fixture: 18 subscriptions, three overload rounds | Before | After | | --- | --- | --- | | Recovery history requests | 108 | 3 | | Ping-response delay | About 4.6 seconds | Below the measurement's 1 ms resolution | A separate bounded-history fixture delivered all 320 events plus subsequent live traffic in **both** versions. Regression coverage exercises the real socket-handling task, including intermittent consumer capacity, fairness, failed writes and cancellation of capacity waits before live delivery. These are synthetic results, not production throughput measurements or evidence of a deployed cure. The full local `RUST_TEST_THREADS=4 just ci` run passed on September 4, 2026. Earlier unsuccessful local runs remain part of the validation history. The [recorded validation evidence and separate desktop follow-up](https://github.com/block/buzz/pull/7325#issuecomment-5540592398) preserve the original desktop mock-history scroll failure, its passing rerun and the remaining investigation. That desktop path does not run the agent connection code; neither this repair nor the passing rerun fixes the observed scroll problem. --------- Signed-off-by: Logan Johnson <loganj@squareup.com> * fix(mobile): render push notification sender identity as npub (#7494) 🤖 ## Summary When an iOS push notification comes from someone the app has no cached name for, the notification title showed the first characters of the sender's raw public key — for example `aa4fc866…`. That fragment is unreadable and doesn't match how the same person appears anywhere else in Buzz. This PR changes that title to the compact form of the sender's npub (npub is the human-readable encoding of a Nostr public key): first 8 and last 4 characters — for example `npub14f8…9nsy`, the same identity shape used across the desktop and mobile apps. - Unnamed senders: raw hex fragment → compact npub. - Named senders: unchanged — a sender the app has a display name for still titles the notification with that name. - Unverifiable sender identities (malformed keys, or lookalike strings that are not literal 64-hex-digit keys) now render a neutral "Someone" instead of partial raw key material. - Everything else about the notification is unchanged: body text, subtitle, thread matching and grouping, deep-link navigation, thread identifiers, and the internal hex public key the resolver matches on. The native iOS notification-service package (`BuzzPushKit`) gains a minimal in-house bech32 codec (bech32 is the checksummed string encoding npubs use) — checksum-validated, 32-byte keys only, and no new external dependency. The hex input branch accepts exactly a 64 ASCII hex digit key before any parsing, so strings that merely parse like hex (for example a run of `+a` pairs) cannot become a displayed identity; this is input validation for presentation. Event signature verification is untouched. ### Related issue Fixes: N/A. Searched existing issues/PRs for push-notification npub identity — closest related: none found. ### Testing At head `3e3f2813b8864b76257ccb50dea3a4b31fa4de0d` (base `44316ff72f5f7de014c66b01cbf534298a70c249`; 4 files, +321/−4): - CI `Mobile Swift` lane, at this exact head — all passed: `swift test` (73 tests, 0 failures), the SwiftPM debug and release builds of `mobile/ios/BuzzPushKit`, and the unsigned iOS release build. - Test coverage: npub encoding cross-checked against independent nostr-rs/NIP-19 vectors; rejection of bad checksums, mixed case, wrong lengths, invalid alphabet, padding, and non-32-byte payloads; resolver boundary matrix — hex/npub/invalid sender keys render compact npub or "Someone" while body, subtitle, sender key, and thread identifier pass through; named senders keep cached display names. ### Task provenance Buzz channel: `1f0e4a3d-7e01-4efe-bb16-843b357f85c9` Task: buzz://message?channel=1f0e4a3d-7e01-4efe-bb16-843b357f85c9&id=86b34eb4bd84a1472419e9af22636c011c0fe273e3c196f967d7a36996e149b6 --------- Signed-off-by: Logan Johnson <loganj@squareup.com> Co-authored-by: Larry <627498bd4bd1f281a16431e3c6cce3b5c25b6692798c78672298aefbf2f8f8b5@buzz.block.builderlab.xyz> * fix(desktop): shared npub identity foundation (canonicalNpub, PubKey gate, strict parser) (#7488) 🤖 ## Summary Identity keys in the desktop app are displayed as raw 64-character hex. A person's key shows up as something like `953d3363…` — unreadable, impossible to recognize as the same identity on another screen, and a hazard when copied by hand. Nostr (the protocol Buzz runs on) has a human-readable spelling for identity keys — the `npub1…` form — but the desktop app did not use it consistently. This is the foundation of the desktop npub changes: it adds the shared pieces every identity surface builds on, and two follow-up slices stack directly on this branch — #7489 converts the identity controls (profile, settings, allowlist, workflow key fields) and #7495 converts the everyday display surfaces (mentions, member lists, sidebar, and other name fallbacks). After this change: - The shared identity widget shows the compact npub form — `npub1j57...fjmv` — instead of a hex prefix, everywhere it renders (for example the owned-agent public-key row on a profile). Copying it puts the full npub on the clipboard. - Copy is a real interaction, verified end-to-end: both popover variants put the exact canonical npub on the actual clipboard — never the raw hex the popover also lists, never a truncation — and a portaled popover's clicks no longer steal focus from the new-DM To-field mid-copy. Pointer copy, a natural Space-then-Enter path, and inner/outer Escape are covered. - Anything that isn't a valid identity key fails neutrally: short or corrupt values — including degenerate values that technically encode to a checksum-valid npub but aren't real identity keys — show "Unavailable" with no copy button, instead of a misleading value. - Both valid npub spellings display: all-lowercase `npub1…` and all-uppercase `NPUB1…` (Bech32, npub's encoding, permits either casing) both render the same canonical lowercase npub. Mixed case is rejected by the display path as written — `canonicalNpub` and the widget don't case-normalize input — while input parsing (`parsePubkeyInput`) keeps its trim-and-lowercase normalization and accepts mixed-case npubs; both paths require the decoded payload to be exactly a 64-character identity key. - Identity-key input is strict on payload: an npub whose decoded payload isn't exactly a 64-character identity key is rejected, matching the validation the app's Rust side already applies to agent allowlists. Intentional scope boundary: only surfaces that render through the shared widget change here. Outer profile copy, settings identity cards, the respond-to allowlist, and workflow key fields still show hex — they move to npub in the controls follow-up (#7489). Nothing else changes identity representation: display names, private keys, event IDs, and the hex the app stores, sends, and matches internally are untouched; only the user-facing spelling of an identity key changes. ## Details - `desktop/src/shared/lib/pubkey.ts` — `canonicalNpub()`: strict canonical full-npub helper (64-char hex in any case, or a checksum-validated npub, returns the canonical npub; anything else returns `null`); `truncateNpub()`: the compact display form; existing exports unchanged. - `desktop/src/shared/ui/PubKey.tsx` — the shared widget's identity gate validates through `canonicalNpub`; the popover copies the npub only. - `desktop/src/shared/lib/nostrUtils.ts` — `parsePubkeyInput` rejects npubs whose payload is not exactly a 64-character identity key. - `desktop/src/features/messages/ui/NewMessageScreen.tsx` — the To-field focuses its search input only for clicks that land inside the field itself, so portaled recipient popovers keep their focus while open (a popover click previously dismissed it mid-copy). - Unit suites cover the helper, widget, and parser (including the degenerate-encode and uppercase regressions); the e2e specs that render these rows assert the npub display. ### Related issue - Fixes: N/A. Searched existing issues/PRs for npub identity display — no existing match. - Stack: #7489 is based on this branch and builds on these primitives; it does not stand alone on main. ### Testing At head `b3310c248` (base: main `44316ff72`; 12 files, +440/−39): - Focused unit suites (pubkey, PubKey, parsePubkeyInput): 20/20 green; mutation-checked — removing the decoded-length predicate fails the short/empty checksum-valid-npub assertions in `canonicalNpub` and the widget, and a wrong-identity clipboard value fails the new copy assertions. - `pnpm typecheck` and `pnpm check`: pass; full desktop unit suite 6459/6459 at this exact head. - Targeted e2e at this exact head: 8/8 across the two specs that own the clipboard flows — `agent-access-warning.spec.ts` (compact variant, agent-access owner hint) and `pubkey-display-screenshots.spec.ts` (full variant, new-DM recipient verification: pointer copy, popover surviving the copy, inner/outer Escape, Space-then-Enter). - No Rust-side or build files change in this PR, so those results are unaffected. ### Task provenance Buzz channel: `1f0e4a3d-7e01-4efe-bb16-843b357f85c9` Task: buzz://message?channel=1f0e4a3d-7e01-4efe-bb16-843b357f85c9&id=86b34eb4bd84a1472419e9af22636c011c0fe273e3c196f967d7a36996e149b6 --------- Signed-off-by: Logan Johnson <loganj@squareup.com> Co-authored-by: Larry <627498bd4bd1f281a16431e3c6cce3b5c25b6692798c78672298aefbf2f8f8b5@buzz.block.builderlab.xyz> * fix(desktop): npub identity displays for mention, member, and workflow surfaces (#7495) 🤖 ## Summary Every Buzz account is identified by a long public key. Before this change, when someone had no display name, surfaces fell back to inconsistent labels — mostly raw hex fragments like `abcd1234…wxyz`, sometimes a generic role label with no key — so the same person looked different from surface to surface, and nothing looked like an npub address. This PR applies the npub identity foundation from #7488 to the everyday surfaces: a person without a display name now falls back to the same compact npub everywhere — `npub1xxxx…yyyy`, the human-readable spelling of their public key (first 8 + last 4 characters of the full npub) — across messages and mentions, reactions, huddles, member and participant lists, the sidebar and channel activity, search, projects, tray, notifications, and workflow surfaces. - **Mentions and messages**: key-only mention chips render the compact npub. Pasting a copied mention back still re-binds it byte-exactly to the identity it declares, for both the new npub chips and legacy hex-truncated chips copied by older clients — wrong, missing, or tampered key qualification is rejected instead of silently degrading to plain text. - **Reactions and huddles**: huddle reaction events and the huddle roster/participants render the compact npub for unnamed participants; workflow reaction triggers describe authors with the same form. - **Members and sidebar**: channel and community member lists, add-member results and invites, the members sidebar, the channel-activity popover, search, projects (assignees/reviewers/PR panels), the tray menu, and desktop notifications all fall back to the compact npub; titles and aria labels keep the machine-readable full labels. - **Profile labels**: panel/popover display names and owner handles fall back to the compact npub (never raw hex) when there is no name; linked-event (nevent) message metadata shows the npub-shaped author fallback while the event lookup and event IDs are unchanged. - **Workflows**: author-picker secondary labels, step destination keys, and trigger-author references render compact npubs; event and blob IDs keep their existing hex compacts (they are not identities). - **Avatars stay distinct**: fallback avatars for key-only identities derive initials from the key's tail, so prefixed role labels like "Participant npub1…" no longer collapse every unnamed participant onto the same initials; people with names keep their name initials. Preserved exactly: display names and distinct avatars, internal hex keys (storage/API forms unchanged), clipboard identity roundtrips, event/blob ID compaction, private keys (no nsec path is touched), and nevent link handling. Scope: this PR changes what identity labels **display**, not identity controls — profile/settings copy controls, the respond-to allowlist, workflow key fields, and agent dialogs are the sibling slice #7489, and the shared primitives (`canonicalNpub`, `truncateNpub`, the `<PubKey>` gate, strict input parsing) come from the foundation #7488. ### Related issue - Fixes: N/A. Searched existing issues/PRs for duplicates — none found; the related work is the npub identity stack this slice belongs to. - Base/dependency: stacks on #7488 (foundation) — this PR does not stand alone on main. - #7489 is a sibling slice on the same #7488 base (profile/agent/workflow controls), not a dependency: this PR does not require #7489, and #7489 does not require this PR — both only require #7488. ### Testing At exact head `4763cbeae1dd521309755e6d61f657324cb98667` (base: `fix/desktop-npub-identity-d1a` @ `5f3a4a8111998c8aa41ad77cf66992bd1c85343c`; 71 files, +656/−189 — production +277/−136, test support +379/−53): - At this head: targeted `mentions.spec.ts` (1/1), the e2e build, typecheck, and biome — green. - 9 changed/related unit files: 100/100 green; typecheck, e2e build, biome, and px text/truncation checks clean; huddle-roster focused run green; channel-activity e2e 11/11; mutation checks confirm the fallback wiring (removing it collapses shared initials and drops fallback rows). - Known pre-existing local e2e failures, unchanged by this PR and reproduced identically at the upstream merge-base: huddle-transcription voice-menu attribution (25 pass / 1 fail) and the `workflow-local-controls` 438px caret drift. Not claimed green locally. - Update at head `236af9e6137386737e84d3a474d6bc808a704c50` (test-only follow-ups `1143af345` + `236af9e6`): the `workflow-local-controls` races were fixed in the test drivers, and the 438px diff was shown to be a stale Darwin snapshot baseline (name-row enable switch already absent and `message_posted` already MessageSquare at recording commit `9390e11c9`) and refreshed — the focused screenshot test, including keyboard/caret assertions, now passes locally (twice). The full spec was not rerun after the snapshot refresh; the huddle-transcription item above is unchanged. Label/copy text changes are asserted by the e2e specs (`mentions`, `mention-recipients`, `pubkey-display-screenshots`, `huddle-transcription`, `channel-activity-popover`, `workflow-local-controls`) rather than new screenshots; the screenshot spec pins the compact npub text forms. ### Task provenance Buzz channel: `1f0e4a3d-7e01-4efe-bb16-843b357f85c9` Task: buzz://message?channel=1f0e4a3d-7e01-4efe-bb16-843b357f85c9&id=86b34eb4bd84a1472419e9af22636c011c0fe273e3c196f967d7a36996e149b6 --------- Signed-off-by: Logan Johnson <loganj@squareup.com> Co-authored-by: Larry <627498bd4bd1f281a16431e3c6cce3b5c25b6692798c78672298aefbf2f8f8b5@buzz.block.builderlab.xyz> * fix(desktop): npub identity controls across profile, agents, and workflows (#7489) 🤖 ## Summary Building on #7488's npub foundation, this PR finishes the identity display change for the controls where you actually manage people and keys: profile, settings, agent access, and workflows. Everywhere in these surfaces, an identity key shows — and copies — as its canonical npub (npub is the human-readable encoding of a Nostr public key: the compact `npub1j57...fjmv` form where space is tight, the full npub where the whole key matters), and accepts npub as input. After this change: - Profile panel: the public-key row and the managed-by / declared-owner copies show the full npub. If a key can't be encoded, you see "Unavailable" with no copy button — never a raw or partial key. - Settings: the identity card shows and copies the npub. The hosted-communities account identity derives from the bound key (`pubkey_hex`) — the same authority as the mismatch gate and hosted operations — so the display can never disagree with what the app acts on; an unusable hex falls back to a neutral label instead of rendering the unverified server npub. The connected claim and a community's Connect action require that same usable bound key to match the local one — with no usable binding the card cannot claim connected or start Connect, while the community list, linking, and delete/rebind recovery stay available. - Hosted create/onboarding: the account and device identity rows in the create flow and owner onboarding derive from the same authoritative fields (bound key / local key), with the same neutral fallback; readiness requires a usable bound key that matches the local one. - Respond-to allowlist (controls who may respond to an agent): entries can be typed or pasted as hex or npub; both spellings of the same key are recognized as one entry and dedupe. Search results, chips, and remove buttons use the compact npub. - Workflow key fields: to/from keys display as npubs in the form and save back as canonical hex. Templates like `{{trigger.author}}`, roles, and free text pass through untouched; placeholders accept both spellings. - Recipient and agent dialogs: the verify popover is npub-only (the raw-hex line is gone); denied-membership screens never show a raw key. - The Rust-side truncated display name (used for native surfaces) shows the same compact npub, so those surfaces match the web UI. Internal representation is unchanged: keys are still stored, sent, and matched as canonical 64-character hex — npub is a display and input spelling, normalized to hex at the boundary, so existing data and integrations keep working. Bound-key usability and comparison use one normalized form (trimmed, lowercased, 64 hex characters; npub rejected), so padded or mixed-case spellings of the same key match. Display names, private keys, and event IDs are untouched. ## Details - `respondToAllowlist` / `RespondToField`: npub entries normalize to canonical hex; cross-form dedupe; compact npub in rows and chips; direct-add accepts npub and stores canonical hex. - `workflowFormTypes` / `WorkflowStepCard`: hex → npub for display, npub → canonical hex on save; templates, roles, and free text pass through in both directions (roundtrip-tested). - `UserProfilePanelFields`, `ProfileSettingsCard`, `HostedCommunitiesSettingsCard`, `MembershipDenied`, `SelectedRecipientChip`, `AddAgentToChannelDialog`: npub display and copy; invalid keys → "Unavailable" with no copy; hosted identity rows derive from the bound `pubkey_hex` (create/onboarding rows from the bound and local keys), never the unverified server npub; connected/readiness/Connect gates use the same usable-bound-key predicate, and the settings Connect invocation callback re-checks it before starting. - `src-tauri/src/commands/identity.rs`: `truncated_display_name` compacts to the first 8 + last 4 characters of the npub (above a 12-char threshold), mirroring `truncateNpub`. - e2e: profile key rows and clipboard polls assert npub forms and raw-hex suppression; the display-screenshots spec pins the npub-only popover; hosted specs drive the real settings card, create flow, and onboarding rows through their real providers, and the unlinked/npub-only identity cases assert no connected claim and no Connect action. ### Related issue - Fixes: N/A. No separate issue; the related work is the stack below. - Stack: builds on #7488 (shared npub foundation), now merged; this PR is rebased onto main and stands on its own. ### Testing At head `303c90ffa` (base: main `bfc38485`; 24 files, +1125/−146): - Focused unit suites (respondToAllowlist, workflowFormTypes, hostedCommunityApi bound-key helpers) green; mutation-checked — dropping allowlist canonicalization fails the dedupe case, and dropping bound-key normalization fails the npub-in-hex and padded same-key cases. - Full desktop unit suite 6,477/6,477, `desktop-typecheck`, `desktop-check` (formatting fixed narrowly with `biome check --write` on the touched files only), and a fresh E2E build at the current head; the add-community + hosted-communities-settings specs 18/18 and onboarding integration 69/69 on a fresh dedicated port, with focused new-case runs 4+4 covering padded same-key (ready, Connect kept — no false rebind) and npub-in-hex (neutral label, recovery, no Connect) across the settings card, create flow, and first-community onboarding, plus the unlinked-account settings regression asserting Connect cannot occur. - `cargo fmt`/clippy (both feature sets) and `cargo test identity` (71 pass) passed at the earlier full-change head; since then, the only production changes in this PR's delta are the hosted identity display authority and its fail-closed bound-key gating/normalization above (base-side fixes carry #7488's receipts) — every other change is test-only. ### Task provenance Buzz channel: `1f0e4a3d-7e01-4efe-bb16-843b357f85c9` Task: buzz://message?channel=1f0e4a3d-7e01-4efe-bb16-843b357f85c9&id=86b34eb4bd84a1472419e9af22636c011c0fe273e3c196f967d7a36996e149b6 --------- Signed-off-by: Logan Johnson <loganj@squareup.com> Co-authored-by: Larry <627498bd4bd1f281a16431e3c6cce3b5c25b6692798c78672298aefbf2f8f8b5@buzz.block.builderlab.xyz> * fix(mobile): standardize public-key identity display on npub (#7493) 🤖 ## Summary In the mobile app, anyone who hasn't set a display name shows up as a raw 64-character hex key (e.g. `3a5d4f9c…`) — unreadable, and unrecognizable as the same identity across screens. Profile and Settings also let you copy that raw hex. Nostr public keys have a standard readable form — `npub1…`, the same encoding other Nostr apps and our desktop app already display. This PR makes every mobile identity surface render npub instead: - **Unnamed people everywhere** — message and thread authors, reactions, typing indicators, member lists, channel details, DM headers and tiles, inbox, search, forum cards, Pulse notes and reply context, mention suggestions, and invite rows — now show a compact npub label: first 8 + last 4 characters of the full npub joined by an ellipsis (`npub1abcd…wxyz`), the same truncation desktop uses. Previously these showed truncated raw hex. - **DM fallback avatars and blank names** — 1:1 DM tiles and headers key their fallback avatar to the same non-self counterpart the label names, including self-first participant order; a self-DM keeps its hex-key-derived initial. Blank or whitespace-only display names fall back to the compact npub instead of rendering empty, while nonblank authored names render verbatim (padding included). - **Profile sheet → "Copy public key"** now copies the full canonical npub — never raw hex. When the identity string isn't a valid public key, the copy tile is disabled, so a malformed key never reaches the clipboard. - **Settings → Identity (pubkey)** displays and copies the full npub; an invalid identity reads "Identity unavailable" with copy disabled. - **Invalid identities never leak truncated raw hex** into the UI anywhere — they render a neutral "Unknown identity" label. - **Unchanged on purpose:** display names and verified handles (NIP-05 — the `name@domain` badge) still render as before. Unnamed avatars keep distinct per-key initials, derived from the underlying hex key rather than the npub — otherwise every unnamed key would render the same "N" initial. Event IDs are not public keys, so they keep their hex truncation (in Pulse's "Replying to", the parent author shows npub while an event-id fallback still shows hex). The nevent share link, private keys, and internal hex storage are untouched. Inputs that accept a key (invite/member entry) accept both hex and npub and keep working in hex internally. ### Related issue N/A. Searched open issues/PRs for npub identity display on mobile — closest related: none found. Desktop's parallel npub standardization lives in the stacked desktop PRs (#7488 foundation, #7489 controls, #7495 display surfaces); this is the independent mobile slice (based directly on `main`, not on those branches). ### Testing At exact head `5a620e420a1fd57d9d8011ac26434eed32fcf765` (base: `main` `44316ff72`; 40 files, +1,345/−154): - Full mobile suite: 2,098 tests passing (`cd mobile && flutter test`); `flutter analyze` clean; `dart format --set-exit-if-changed .` clean — the same checks CI runs. - Widget/unit coverage at production seams: compact labels and hex-keyed avatar initials for DM headers/tiles, member rows, mention suggestions, and Pulse reply context; DM fallback avatars keyed to the labeled counterpart (self-first order and self-DMs); blank/whitespace display-name npub fallback with nonblank authored labels verbatim, including the Activity inbox sender and profile-sheet heading (each with its own empty/whitespace production-seam regression); full-npub copy and disabled-copy semantics in profile and settings; invalid-key suppression; and hex↔npub input round-trips. Verified via unit and widget tests — no device/simulator validation is claimed. ### Task provenance Buzz channel: `1f0e4a3d-7e01-4efe-bb16-843b357f85c9` Task: buzz://message?channel=1f0e4a3d-7e01-4efe-bb16-843b357f85c9&id=86b34eb4bd84a1472419e9af22636c011c0fe273e3c196f967d7a36996e149b6 --------- Signed-off-by: Logan Johnson <loganj@squareup.com> Co-authored-by: Larry <627498bd4bd1f281a16431e3c6cce3b5c25b6692798c78672298aefbf2f8f8b5@buzz.block.builderlab.xyz> * fix(desktop): order unnamed roster members by full canonical npub (#7503) 🤖 ## Summary - Channel members appear in the Members sidebar. A member who has never set a display name is listed under an abbreviated form of their public key (npub), and the sidebar previously sorted those unnamed members by that short label. Short labels are not unique — different keys can share one — so the order of unnamed members could look arbitrary or unstable. Unnamed members now sort by their full public key, so the order is deterministic. - When two members display the same name, the previous tiebreak was membership order (who joined first), which is not visible to a reader and can shift as roster data loads in. The tiebreak is now the full public key, so identical display names always land in the same order. - Nothing gets noisier on screen: the full key is used only for sorting, and the sidebar still shows the compact abbreviated form. Priorities are unchanged — authored (custom) names still outrank fallback labels, and role/current-user grouping still applies. - Scope is the desktop app's Members sidebar and member management: the two existing sort comparators. Mobile and other lists in the app are untouched. ### Related issue Based on #7495 (introduced the abbreviated npub labels this follows up on). The original five presentation PRs remain independently reviewable. No closer duplicate found. ### Testing - 6469 desktop unit tests, typecheck, and check pass. - The 3 existing consumer-seam E2E tests still pass; a new E2E test asserts the sidebar lists unnamed members in full-key order, with fixture members deliberately inserted in the opposite order so incoming membership order cannot mask the sort. - Negative check: reverting only this change makes the new ordering assertion fail, so it genuinely binds the new sort. - CI has not run on this PR yet. Buzz provenance: channel 1f0e4a3d-7e01-4efe-bb16-843b357f85c9 / task 340c3de9b27dbedb8453c0c7652220f9080d30fcc70a7c4f6e27fdd4fa378056 --------- Signed-off-by: Logan Johnson <loganj@squareup.com> Co-authored-by: Larry <627498bd4bd1f281a16431e3c6cce3b5c25b6692798c78672298aefbf2f8f8b5@buzz.block.builderlab.xyz> * fix(desktop): require a Codex adapter with Astra support (#7427) ## Summary Buzz considers codex-acp 1.6.2 current because the supported adapter floor is still 1.1.7. That adapter bundles Codex 0.148.0, so updating a separate Codex CLI to 0.153.4 leaves managed agents on the older runtime and unable to use GPT-6 Astra. Raise the supported adapter floor to the published 1.10.0 release, which depends on `@openai/codex ^0.153.3`. Existing discovery and installation code then classifies older adapters as outdated and offers the managed reinstall path. Update the availability and install-plan regressions to cover the observed 1.6.2 installation and the new minimum. This follows the existing version-floor policy. It does not automatically update a running installation: the user must complete Buzz’s offered adapter upgrade. Future upstream compatibility changes may require another floor update. ### Related issue No exact duplicate found in searches for Astra, CODEX_PATH, bundled Codex, outdated runtime, and codex-acp 1.10. Related: #3097 raised the older floor to 1.1.7 (already present on main); #2422 covers lost error details for runtime mismatches. Neither resolves this version gap. Originating conversation: buzz://message?channel=3286cd76-f83e-4c7d-8317-10a16580744d&id=8b79a73078217222b870fff144c27e7d27bcd5a67c966869c18fe726db716898 ### Testing - Isolated npm install of codex-acp 1.10.0 resolved bundled Codex 0.153.4, with no CODEX_PATH override. - Live macOS ACP probe: initialize protocol v1 → session/new → select gpt-6-astra[medium] → prompt. Received `OK` and `stopReason: end_turn`; usage metadata confirms gpt-6-astra. - Existing adapter 1.6.2 initialized but advertised no Astra model in the same probe. - Desktop Rust formatting and `git diff --check` pass. - `just desktop-tauri-test`: 3,266 passed, 20 ignored, zero failures across the Desktop workspace and integration tests. - Workspace and Desktop Clippy, frontend static checks, and `just file-size-check` pass. - Repository `just ci`: still running the remaining mobile/build/workspace-test stages. The installed Buzz app and managed adapter were not replaced or restarted. The live check validates the new adapter/runtime path; a complete packaged Desktop upgrade workflow remains untested. Signed-off-by: Stephen DeLorme <stephen@d.elor.me> * fix(buzz-acp): report missing models without retrying (#7538) ## Summary When an agent reports model-not-found, Buzz retries the unavailable model and delays the failure reply until retries are exhausted. Stop retrying this error and immediately post a threaded recovery notice. The notice tells users to select a different model in agent settings, save, restart the agent to apply the configuration, and re-send their request. This adds one error-handling branch and regression coverage in `buzz-acp`. It matches `-32002` errors containing `model not found`. Other resource-not-found errors, such as stale sessions, retain the existing retry behavior. Detailed error events remain available for diagnosis. The existing restart policy is unchanged. ### Related issue None found in existing issue/PR searches for model-not-found recovery. ### Testing Playwright captured and visually checked the thread UI with seeded conversation data and the exact recovery text. The check opens the request's thread, confirms no reply before the failure, injects the notice, and verifies the full text is visible. [Before/after screenshots](https://github.com/block/buzz/pull/7538#issuecomment-5608196506) show the corrected save-and-restart instructions. These are local test captures, not a deployed provider recovery flow. Generated with Codex --------- Signed-off-by: Diem Nguyen <diem@squareup.com> * fix(desktop): let inbox title and message author names truncate under narrow panes (#7550) ## Summary Fixes two instances of the same dead-truncate pattern in the desktop app, where a flex item's implicit `min-width: auto` prevented `truncate` from engaging, so long text painted over adjacent controls instead of ellipsizing: - **Inbox detail title** (`InboxDetailPane.tsx`): the clickable context-title button sized to its text instead of shrinking with the pane, overlapping the header controls (open-in-channel, members, huddle, more menu). Fixed by adding `max-w-full`. - **Message author names** (`MessageHeader.tsx` / `UserProfilePopover.tsx`): the `UserProfilePopover` inline-flex trigger wrapper refused to shrink below the name's nowrap width, running long author names under the hover action bar and off the pane edge. Fixed by adding a `triggerClassName` prop to `UserProfilePopover` and passing `min-w-0 max-w-full` at the author call site. Two other suspected instances (project file breadcrumb, drafts pane title) were stress-tested and already truncate correctly — no change. ### Related issue N/A — none found. ### Testing - New Playwright regression tests for both fixes (`inbox-title-overlap.spec.ts`, `message-author-overlap.spec.ts`, registered in the smoke project), each proven to discriminate: they fail with the fix reverted (real measured overlap) and assert the ellipsis actually engages with non-zero title width, so they can't pass vacuously. - Typecheck, lint, and full desktop unit suite green (pre-push hooks); full desktop e2e smoke suite run earlier: 1402 passed, 3 pre-existing unrelated failures (each fails identically with the fix reverted). **Inbox title — before** (long title paints under the header controls): ![Inbox title before: title text overlaps the header control icons](https://github.com/user-attachments/assets/d5a10f98-114f-4466-8012-468616b82807) **Inbox title — after** (truncates with ellipsis, controls stay clear): ![Inbox title after: title truncates with an ellipsis before the controls](https://github.com/user-attachments/assets/80520f7c-1120-4dbc-929d-1ef5eceb874b) **Author name — before** (long name runs past the header row edge): ![Author name before: name glyphs bleed past the action bar](https://github.com/user-attachments/assets/be9743ae-ef51-4db0-8c46-a0649e98f0d5) **Author name — after** (clean cutoff): ![Author name after: name truncates cleanly inside the header row](https://github.com/user-attachments/assets/24cc0412-ca99-40c4-add6-13380b3ae065) 🤖 Generated with [Claude Code](https://claude.com/claude-code) --------- Signed-off-by: cynfria <yescynthia@gmail.com> Signed-off-by: Tree Trunks <6ba22921d9dc2ad0aa6ecdf63787ddd24726e266d866da31af69f2e4e146ace5@buzz.block.builderlab.xyz> Co-authored-by: Claude Fable 5 <noreply@anthropic.com> Co-authored-by: Tree Trunks <6ba22921d9dc2ad0aa6ecdf63787ddd24726e266d866da31af69f2e4e146ace5@buzz.block.builderlab.xyz> * fix(relay): reject presence updates when Redis storage fails (#7532) ## Summary - Reject kind:20001 presence events with `OK false` / `error: presence storage unavailable` when Redis SET or DEL fails, before publishing, local fan-out, or local-event marking. - Preserve the producer contract needed by snapshot-confirming consumers: delivered live presence must follow successful mutation of the Redis state read by snapshots. - Classify those backend rejections with the existing `IngestError` taxonomy so a presence storage outage counts as `buzz_events_rejected_total{transport="ws",reason="error"}`, not client `reason="invalid"`; genuine client-input refusals (verification failure, membership gates) stay `invalid`, and every wire message is an unchanged fixed sanitized string (review follow-up, no protocol wording change). - Add actual `handle_event` integration coverage for rejected online/offline transitions, healthy online→offline accepted/stored/fanned-out behavior, and the rejection-counter routing on storage failure with an invalid-signature control. This is standalone on main; it does not depend on the mobile implementation. Deploy this relay prerequisite before relying on #7526's snapshot-confirmation policy. Existing pubsub-failure-after-successful-storage behavior and disconnect TTL cleanup are deliberately unchanged. A storage error may be an ambiguous write outcome, not a rollback guarantee; the rejected event is not published by this handler. Clients may retry the generic `error:` rejection. Desktop's 60s heartbeat retries non-offline presence, not every explicit offline transition. ### Related issue Addresses the relay prerequisite identified in [#7526 review 5157607827](https://github.com/block/buzz/pull/7526#pullrequestreview-5157607827). Searched open presence/storage PRs; no duplicate relay storage-error rejection fix found. #7382/#7383/#7526 heads and bases are unchanged. ### Testing Exact head: `389174df29cc02d0f885c03209eff661d8bb2ec0` (+380/-13; 393 total), one commit `389174df2` on top of the reviewed `c031d6eb1` (DCO-signed; base `bfc384855889432df4a333a0edf3080f332ee169` unchanged). - PASS: `cargo fmt --all -- --check`, `cargo clippy -p buzz-relay --all-targets -- -D warnings`, `git diff --check`, `just file-size-check`, PostgreSQL discovery validation — all run at the exact final head with a clean tree before and after. - PASS: documented native `scripts/postgres-test-run.sh -p buzz-relay --lib --tests`: **89/89** actual integration tests, including the four presence cases (online/offline storage rejection, healthy online→offline, and the new rejection-classification case). Owned PostgreSQL 17/Redis on isolated loopback ports, schema plus reconciliation applied; no shared development database. - PASS: explicit `cargo test -p buzz-relay presence_storage -- --ignored --nocapture`: **4/4**, not skipped. - Full isolated relay crate suite at the final head (`cargo nextest run -p buzz-relay --lib --tests`): **1062 run: 1062 passed, 94 skipped**. The previously failing `api::mesh_demo::tests::demo_join_forwarded_arm_round_trips_echo` passed in this run (1.5s); it is a known timing-sensitive main baseline failure tracked open in #7140 and untouched by this PR, so this single passing run is reported as-is and does not claim environmental clearance or close #7140. No full-suite-green claim is made beyond this run. - Mobile is untouched; #7526's existing 2090-test/format/analyze evidence remains scoped to its unchanged head. Its separate Desktop Smoke E2E (2) failure remains red; no CI retries requested. [Production-seam regression coverage](https://github.com/block/buzz/blob/389174df29cc02d0f885c03209eff661d8bb2ec0/crates/buzz-relay/src/handlers/event.rs#L1491-L1803): the metric case drives real `handle_event` traffic against a genuinely dead Redis endpoint with a seeded active PostgreSQL community and a registered presence watcher, asserts the storage rejection counts `reason="error"` while a tampered-signature control through the same dispatcher arm stays `reason="invalid"`, and re-asserts the rejected ACK, no fan-out, and no local-event marker. Counter assertions use a thread-local recorder guard held across `.await` points (the buzz-db counter-test convention) inside the per-process nextest postgres-ci lane, so no parallel test can race the counter snapshot. No UI change or screenshot. Local logs and reproducible service/gate scripts are retained under `WORK_LOGS/MOBILE_FEEDBACK_PRESENCE_20260909/relay_prerequisite/metric_correction/` in the engineering workspace. This PR is a review candidate, not merge clearance. Causal checks: restoring only the pre-fix production mutation block makes both original rejection tests fail (`OK true` instead of `false`); healthy success still passes. Reverting only the typed classification (mapping the ephemeral `Internal` arm back to `invalid`) makes the new metric regression fail with the outage counted as `[("ws","invalid",2)]` instead of `[("ws","error",1),("ws","invalid",1)]`. The unchanged mesh echo case also failed 504/200 with the main-production block restored in the prior run, supporting its separation from this change without claiming environmental clearance. Candidate source restored byte-for-byte after each mutation. Repository-wide `just ci` was not rerun; the scoped relay gates above are the new evidence. --------- Signed-off-by: Logan Johnson <loganj@squareup.com> * fix(markdown): align mention chip wrapping (#7501) **Category:** fix **User Impact:** Human and agent mentions now break across lines with the same cloned chip treatment as repository and permalink chips while preserving the conversation text rhythm. **Problem:** Profile-backed rendered mentions sat inside an `inline-flex` popover trigger, unlike entity chips, so the wrapper interfered with true inline fragmentation. The browser-layout test measured text-range rows rather than the painted chip rectangles, allowing touching decorations to pass as “separate” fragments. **Solution:** Keep the profile trigger interactive but override its layout to true `inline`, then give mention fragments 18px computed leading inside the message’s 20px prose rhythm. Chromium paints each fragment at 17px and advances it by 20px, leaving a visible gap between cloned rounded rectangles. The browser test now measures the chip’s own `getClientRects()` and asserts fragment count, height, gap, and step; entity links retain their existing 22px leading. <details> <summary>File changes</summary> **desktop/src/features/profile/ui/UserProfilePopover.tsx** Allows inline consumers to override the trigger wrapper’s layout without changing other profile-popover call sites. **desktop/src/shared/styles/globals/markdown.css** Keeps one shared wrapping-chip mechanic and gives mention decorations enough room to separate visibly within 20px prose. **desktop/src/shared/ui/markdown.test.mjs** Pins both rendered mentions and entity links to the shared wrapping-chip contract. **desktop/src/shared/ui/markdown/MarkdownMention.tsx** Makes the profile-popover trigger truly inline so the nested mention chip can fragment with surrounding prose. **desktop/src/shared/ui/mentionChip.ts** Keeps `wrapping-inline-chip` as the single contract for fragmenting decorated chips. **desktop/tests/e2e/mentions.spec.ts** Measures the painted chip rectangles, requires a positive fragment gap, and verifies the inline trigger remains mouse- and keyboard-operable. **desktop/tests/e2e/navigation.spec.ts** Keeps a wrapped repository chip as the control, asserting its existing 22px line height and fragment advance. </details> ## Reproduction steps 1. Open a channel in Buzz Desktop using dark theme. 2. Send a message containing a human mention and another containing an agent mention; both chips should remain aligned with adjacent text on a 20px line. 3. Render a collision-qualified mention in a narrow message width; it should break into separately decorated fragments exactly like another wrapping chip, while each fragment follows the 20px prose rhythm. 4. Render a long repository or permalink chip in the same constrained width; it should retain its roomier 22px fragment spacing. ## Screenshot The dark-theme production renderer shows the real qualified label (`bob (npub1hv3…tpuc)`) at an 8rem width. The two lines now paint as visibly separate rounded fragments rather than one continuous rectangle. ![Qualified human mention wrapping into two visibly separate rounded fragments in the dark-theme Buzz timeline](https://github.com/user-attachments/assets/ee6e7be5-937e-4022-9c82-cf71f8203470) ## Validation At commit `2b063e1b4ade30e11f1616269ad4ba4190366885`: - Pre-push desktop gates — file-size check, Biome/checks, typecheck, and 6,483 unit tests passed - `pnpm --dir desktop build` — passed - Focused Playwright coverage for single-line agent mention, single-line human mention, wrapped qualified mention including keyboard profile activation, and timeline mention click — 4 passed - `git diff --check` — passed --------- Signed-off-by: Taylor Ho <taylorkmho@gmail.com> Co-authored-by: Rizz <rizz@agents.buzz> Co-authored-by: Carl <acda9e433d19dcd0e6b6840f7f4b98f3a56f1fab98049d444c087019e6d36560@buzz.block.builderlab.xyz> * fix(acp): integrate the Buzz Pi adapter fork (#7552) ## Summary PR #7335 worked around missing Pi adapter support by generating a private Pi launcher and injecting Buzz's standing prompt and skills at process launch. The Buzz Pi fork now carries the required adapter extensions, so this removes that launcher and returns prompt construction to the normal ACP session path while retaining the base-prompt composition introduced by #7335. The Pi preset now installs `salman1993/pi-acp` and launches its renamed `buzz-pi-acp` binary. Buzz adds `-- --skill <harness-cwd>/.agents/skills` only when launching that binary, sends the complete composed prompt as the `_meta.systemPrompt` replacement string on `session/new` only when `initialize.agentInfo.name` is `buzz-pi-acp`, and sends the scoped title alongside it as `_meta.sessionTitle`. The fork identity is treated as system-prompt capable regardless of its reported ACP protocol version, which prevents duplicate legacy user-message framing. Upstream `pi-acp` does not receive either fork-specific behavior. Observer transcript projection accepts the string, `{ replace }`, and `{ append }` metadata forms. The fork now stores restore metadata in one atomic file per session under `~/.pi/buzz-pi-acp/sessions/`. This prevents concurrent Buzz workers from overwriting another session's prompt or title. The fix landed in [salman1993/pi-acp#9](https://github.com/salman1993/pi-acp/pull/9). This supersedes the closed #7508. No agent-configuration rules changed; this changes the Buzz Pi adapter contract and launch arguments. ### Related issue #7329 ### Testing Installed fork commit `09cf07e436b8f18e52401558f988f31a15702313` through the documented Git URL. The installed bundle matched the committed `dist/index.js` byte for byte and contained the `~/.pi/buzz-pi-acp` metadata path. The fork's 106 non-skipped tests, typecheck, and lint pass. Ran the ignored real-Pi integration test through Buzz's production session composer. The test exercised the renamed package, `agentInfo.name`, and the new per-session metadata store. Base, persona, team, core-memory, huddle, canvas, and skill markers each appeared once after switching sessions and again after restarting the adapter, while the other session and Pi's native default prompt were absent. Added regression coverage proving `buzz-pi-acp` receives fork-specific system-prompt metadata and managed skills while upstream `pi-acp` does not. `just ci` passes. Generated with Codex --------- Signed-off-by: Salman Mohammed <smohammed@squareup.com> * feat(git): add default-branch management to relay and CLI (#7562) Authored by Brain and opened on behalf of Wes (`wesbillman`). ##…

wesbillman requested a review from a team as a code owner August 28, 2026 17:37

brow reviewed Aug 28, 2026

View reviewed changes

Comment thread mobile/lib/shared/relay/relay_session.dart

brow reviewed Aug 28, 2026

View reviewed changes

Comment thread mobile/lib/features/channels/channels_provider_lifecycle.dart

jedwards27 requested changes Aug 28, 2026

View reviewed changes

brow approved these changes Aug 28, 2026

View reviewed changes

jedwards27 requested changes Aug 28, 2026

View reviewed changes

brow reviewed Aug 28, 2026

View reviewed changes

brow approved these changes Aug 28, 2026

View reviewed changes

jedwards27 approved these changes Aug 28, 2026

View reviewed changes

wesbillman merged commit b593c7d into main Aug 28, 2026
31 checks passed

wesbillman deleted the mobile-startup-perf branch August 28, 2026 21:38

TolgaCinisli mentioned this pull request Aug 29, 2026

fix(mobile): style inline code with the app mono face #6631

Merged

github-actions Bot mentioned this pull request Aug 31, 2026

Upstream sync audit: block/buzz Jiqize/buzz#1

Open

github-actions Bot mentioned this pull request Sep 4, 2026

[Buzz update] desktop-v0.5.22 available BrianInAz/buzz#42

Open

Navigation Menu

perf(mobile): reduce cold startup and channel rendering delays - #6996

perf(mobile): reduce cold startup and channel rendering delays#6996
wesbillman merged 3 commits into
mainfrom
mobile-startup-perf

wesbillman commented Aug 28, 2026

Uh oh!

github-actions Bot commented Aug 28, 2026 •

edited

Loading

Uh oh!

Uh oh!

Uh oh!

jedwards27 left a comment

Uh oh!

jedwards27 left a comment

Uh oh!

wesbillman commented Aug 28, 2026

Uh oh!

jedwards27 left a comment

Uh oh!

brow Aug 28, 2026

Uh oh!

wesbillman commented Aug 28, 2026

Uh oh!

jedwards27 left a comment

Uh oh!

Uh oh!

Reviewers

Assignees

Labels

Projects

Milestone

Development

Uh oh!

3 participants

Conversation

wesbillman commented Aug 28, 2026

Summary

Matched performance results

Measurement boundaries

Validation

Limits / follow-ups

Uh oh!

github-actions Bot commented Aug 28, 2026 • edited Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

🔐 Codex Security Review

Uh oh!

Uh oh!

Uh oh!

jedwards27 left a comment

Choose a reason for hiding this comment

Blocking findings

[P2] Terminal CLOSED leaves false chunk ownership and can permanently stop live delivery

[P2] Repeated partial replacement failure retains subscriptions without a bound

Other traced contracts

Uh oh!

jedwards27 left a comment

Choose a reason for hiding this comment

Blocking findings

Validation and non-blocking review results

Uh oh!

wesbillman commented Aug 28, 2026

Uh oh!

jedwards27 left a comment

Choose a reason for hiding this comment

Uh oh!

brow Aug 28, 2026

Choose a reason for hiding this comment

Uh oh!

wesbillman commented Aug 28, 2026

Uh oh!

jedwards27 left a comment

Choose a reason for hiding this comment

Uh oh!

Uh oh!

Reviewers

Assignees

Labels

Projects

Milestone

Development

Uh oh!

3 participants

github-actions Bot commented Aug 28, 2026 •

edited

Loading

[P2] Terminal `CLOSED` leaves false chunk ownership and can permanently stop live delivery