Handover for the next domain:ui execution-seat PM — measured traps, open state, and two rulings you may want to overturn #7089

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Open
Handover for the next domain:ui execution-seat PM — measured traps, open state, and two rulings you may want to overturn#7089
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documentationImprovements or additions to documentationdomain:uiobjectui ui stream: fix lands on the published library or apps — objectui execution seatpm:queuepriority:p1

Description

@os-sam
os-sam
opened on Aug 31, 2026

Written at the end of a domain:ui dispatch shift (session session_013hfmP9hoMd3dJwTh85J4yB, 2026-08-31). Ordered by "what will burn you", not by topic. Everything here is measured on this repo today unless marked otherwise.

1. Things that will actively mislead you

The pm:blocked → pm:queue unlock scan is not the real instrument. Its own comment says so: check-half-states.mjs (H19's implementation) is not installed in this repo, so the unlock is triage recomputing the same criterion by API. Both cards it unlocked for me this shift had moved substantially since filing:

⇒ Read the type and the code, not the card. A card body is a snapshot of a tree that has since moved.

The zero-quota payload channel drops comments. Measured: reading #6521 returned 2 of 3 comments and the one it dropped was the newest — the PM's own dispatch order. It also showed assignees: [] where REST showed the card assigned. Independently reproduced in a second repo (objectstack#13373). ⇒ Do not assume your dispatch order was seen.

The REST issues-list Link: rel="next" cursor silently truncates — 102 of 287 open issues (objectstack#13900). Use &page=N and cross-check your total against open_issues_count.
⭐ The part that matters: a known-hit control cannot detect this class. A truncated corpus still returns your known hit. Only a count cross-check does. I made exactly this mistake — ran a control, proved the channel discriminates, and wrote it up as though I had proved the corpus complete. Those are different claims.

2. Merge-queue mechanics

  • Confirm enqueue by prefix match on refs/heads/gh-readonly-queue/main/pr-<n>-*, never from the API return (the return is uninformative).
  • ⭐ But ref-absent is NOT evidence of not-enqueued. Propagation lag measured 29s / 31s / 29s on three occasions — and then 7.5–14 minutes on a fourth. Prefix match confirms positives only. Confirm a negative only by the queue demonstrably moving past the entry, or by reading the PR's merge-queue state via API. I nearly re-armed a PR that was already queued; not doing so was the single most useful restraint of the shift.
  • Ejection vs merge: a front merge moves main; an ejection rebuilds every entry with a new sha. Happened twice today (once freezing main ~80 minutes).
  • ⇒ Never publish a queue-build sha as a stable prediction handle. I published one for fix(app-shell,plugin-list,plugin-view): no invented calendar field names, so the refusal screen becomes reachable #7062; a rebuild 20 minutes later made it permanently unfalsifiable. Treat every queue sha as rebuild-fragile and say so when you quote it.
  • Prediction judge:git merge-base --is-ancestor <QUEUE-BUILD sha> origin/main — never a branch head. Squash merges mean branch heads never become ancestors.
  • Conflict pre-check before arming:git merge-tree --write-tree --name-only origin/main <head>; exit 0 = clean. This caught a real conflict earlier in the week that would otherwise have landed in the queue.
  • Queue state, main, branch heads, PR diffs and file contents are all readable over git at ZERO API quota. When the API rate-limits (it did, for ~30 minutes today), you can still read everything and only writes are blocked. Use it.

3. Repo rules that are mechanically enforced

4. Open state you inherit

Awaiting a human#7066 — #6881's ruling prescribes 走复审链 (needs:contract-review). Green and unarmed on purpose.
Awaiting maintainer ruling#6172 · #4795 · #7023 · #6771 · #4895
Genuinely blocked#6709 — waits on a @objectstack/specpublish that does not exist. The source landed on objectstack main (8c6a7fc0b) but packages/spec/package.json there still reads 17.2.0. Restart-when: is keyed to the publish, not the source landing.
Filed this shift, queued, undispatched#7070 · #7071 · #7072 · #7075 · #7077 · #7080 · #7081 · #7082
Check before dispatching#7072 — #6810 (a catalog sweep) was never checked as a possible absorber. #6902/#6933 are fold-only, awaiting a carrier.

⭐ #7081 is not a docs nit.zod-mirror-parity.test.ts asserts one direction only (the mirror accepts everything TS declares), so a mirror wider than the declaration is invisible to it. It is graded priority:p2 for that reason: the docs rows are consequences, the blind gate is the cause.

5. Two rulings of mine you may want to overturn

① A maintainer ruling discharges the human floor — but only the floor its own text names. I extended #6881's 条款② clause (「PR 建立时挂 needs:contract-review 走复审链」) to #5934, whose ruling instead says 「已发布类型成员的 breaking 删除属人工地板,本裁定即该地板动作的记录」 — the floor is discharged by the ruling itself, with no review-chain clause anywhere in it. I held PR #7065 for a gate that was never prescribed. Read each ruling literally; do not generalise a clause across cards.

② assignees is PM-written; devs post claim comments only. All agents share one GitHub identity, so the assignee field cannot prove a claim. A claim is assign plus a claim comment carrying a session ID and branch — and you must re-read the comments before writing code, because an earlier claim with a different session ID means it is taken whatever the assignee says.

6. ⭐ The one pattern worth carrying forward

Every substantive defect this shift was the same shape: a one-directional check.

And it applies to the PM seat itself. I was corrected six times this shift — the patch instruction twice, a type I read as boolean that is boolean | string, a fixture count short by 24 occurrences, a hold placed on a card whose ruling forbade it, and a census whose pathspec returned zero for every query including a literal I knew was present (caught only because I ran a control that also returned zero).

The root of all six is the same: treating "I read a result" as "I measured". My dispatch orders required devs to verify the card's premises. They did not require verifying mine. ⇒ Put your own readings in the premise-verification gate, and tell devs that a clean stop on a falsified PM premise is a full success. Four of five orders this shift came back with a premise corrected, and every one of those corrections improved the result.

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      Skip to content
      Handover for the next domain:ui execution-seat PM — measured traps, open state, and two rulings you may want to overturn #7089
      Open
      Open
      Handover for the next domain:ui execution-seat PM — measured traps, open state, and two rulings you may want to overturn#7089
      Labels
      documentationImprovements or additions to documentationdomain:uiobjectui ui stream: fix lands on the published library or apps — objectui execution seatpm:queuepriority:p1
      Description
      @os-sam
      os-sam
      opened on Aug 31, 2026
      Written at the end of a domain:ui dispatch shift (session session_013hfmP9hoMd3dJwTh85J4yB, 2026-08-31). Ordered by "what will burn you", not by topic. Everything here is measured on this repo today unless marked otherwise.
      1. Things that will actively mislead you
      The pm:blocked → pm:queue unlock scan is not the real instrument. Its own comment says so: check-half-states.mjs (H19's implementation) is not installed in this repo, so the unlock is triage recomputing the same criterion by API. Both cards it unlocked for me this shift had moved substantially since filing:
      ⇒ Read the type and the code, not the card. A card body is a snapshot of a tree that has since moved.
      The zero-quota payload channel drops comments. Measured: reading #6521 returned 2 of 3 comments and the one it dropped was the newest — the PM's own dispatch order. It also showed assignees: [] where REST showed the card assigned. Independently reproduced in a second repo (objectstack#13373). ⇒ Do not assume your dispatch order was seen.
      The REST issues-list Link: rel="next" cursor silently truncates — 102 of 287 open issues (objectstack#13900). Use &page=N and cross-check your total against open_issues_count.
      
⭐ The part that matters: a known-hit control cannot detect this class. A truncated corpus still returns your known hit. Only a count cross-check does. I made exactly this mistake — ran a control, proved the channel discriminates, and wrote it up as though I had proved the corpus complete. Those are different claims.
      2. Merge-queue mechanics
      • Confirm enqueue by prefix match on refs/heads/gh-readonly-queue/main/pr-<n>-*, never from the API return (the return is uninformative).
      • ⭐ But ref-absent is NOT evidence of not-enqueued. Propagation lag measured 29s / 31s / 29s on three occasions — and then 7.5–14 minutes on a fourth. Prefix match confirms positives only. Confirm a negative only by the queue demonstrably moving past the entry, or by reading the PR's merge-queue state via API. I nearly re-armed a PR that was already queued; not doing so was the single most useful restraint of the shift.
      • Ejection vs merge: a front merge moves main; an ejection rebuilds every entry with a new sha. Happened twice today (once freezing main ~80 minutes).
      • ⇒ Never publish a queue-build sha as a stable prediction handle. I published one for fix(app-shell,plugin-list,plugin-view): no invented calendar field names, so the refusal screen becomes reachable #7062; a rebuild 20 minutes later made it permanently unfalsifiable. Treat every queue sha as rebuild-fragile and say so when you quote it.
      • Prediction judge:git merge-base --is-ancestor <QUEUE-BUILD sha> origin/main — never a branch head. Squash merges mean branch heads never become ancestors.
      • Conflict pre-check before arming:git merge-tree --write-tree --name-only origin/main <head>; exit 0 = clean. This caught a real conflict earlier in the week that would otherwise have landed in the queue.
      • Queue state, main, branch heads, PR diffs and file contents are all readable over git at ZERO API quota. When the API rate-limits (it did, for ~30 minutes today), you can still read everything and only writes are blocked. Use it.
      3. Repo rules that are mechanically enforced
      4. Open state you inherit
      Awaiting a human#7066 — #6881's ruling prescribes 走复审链 (needs:contract-review). Green and unarmed on purpose.
      Awaiting maintainer ruling#6172 · #4795 · #7023 · #6771 · #4895
      Genuinely blocked#6709 — waits on a @objectstack/specpublish that does not exist. The source landed on objectstack main (8c6a7fc0b) but packages/spec/package.json there still reads 17.2.0. Restart-when: is keyed to the publish, not the source landing.
      Filed this shift, queued, undispatched#7070 · #7071 · #7072 · #7075 · #7077 · #7080 · #7081 · #7082
      Check before dispatching#7072 — #6810 (a catalog sweep) was never checked as a possible absorber. #6902/#6933 are fold-only, awaiting a carrier.
      ⭐ #7081 is not a docs nit.zod-mirror-parity.test.ts asserts one direction only (the mirror accepts everything TS declares), so a mirror wider than the declaration is invisible to it. It is graded priority:p2 for that reason: the docs rows are consequences, the blind gate is the cause.
      5. Two rulings of mine you may want to overturn
      ① A maintainer ruling discharges the human floor — but only the floor its own text names. I extended #6881's 条款② clause (「PR 建立时挂 needs:contract-review 走复审链」) to #5934, whose ruling instead says 「已发布类型成员的 breaking 删除属人工地板,本裁定即该地板动作的记录」 — the floor is discharged by the ruling itself, with no review-chain clause anywhere in it. I held PR #7065 for a gate that was never prescribed. Read each ruling literally; do not generalise a clause across cards.
      ② assignees is PM-written; devs post claim comments only. All agents share one GitHub identity, so the assignee field cannot prove a claim. A claim is assign plus a claim comment carrying a session ID and branch — and you must re-read the comments before writing code, because an earlier claim with a different session ID means it is taken whatever the assignee says.
      6. ⭐ The one pattern worth carrying forward
      Every substantive defect this shift was the same shape: a one-directional check.
      And it applies to the PM seat itself. I was corrected six times this shift — the patch instruction twice, a type I read as boolean that is boolean | string, a fixture count short by 24 occurrences, a hold placed on a card whose ruling forbade it, and a census whose pathspec returned zero for every query including a literal I knew was present (caught only because I ran a control that also returned zero).
      The root of all six is the same: treating "I read a result" as "I measured". My dispatch orders required devs to verify the card's premises. They did not require verifying mine. ⇒ Put your own readings in the premise-verification gate, and tell devs that a clean stop on a falsified PM premise is a full success. Four of five orders this shift came back with a premise corrected, and every one of those corrections improved the result.
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          Skip to content
          Handover for the next domain:ui execution-seat PM — measured traps, open state, and two rulings you may want to overturn #7089
          Open
          Open
          Handover for the next domain:ui execution-seat PM — measured traps, open state, and two rulings you may want to overturn#7089
          Labels
          documentationImprovements or additions to documentationdomain:uiobjectui ui stream: fix lands on the published library or apps — objectui execution seatpm:queuepriority:p1
          Description
          @os-sam
          os-sam
          opened on Aug 31, 2026
          Written at the end of a domain:ui dispatch shift (session session_013hfmP9hoMd3dJwTh85J4yB, 2026-08-31). Ordered by "what will burn you", not by topic. Everything here is measured on this repo today unless marked otherwise.
          1. Things that will actively mislead you
          The pm:blocked → pm:queue unlock scan is not the real instrument. Its own comment says so: check-half-states.mjs (H19's implementation) is not installed in this repo, so the unlock is triage recomputing the same criterion by API. Both cards it unlocked for me this shift had moved substantially since filing:
          ⇒ Read the type and the code, not the card. A card body is a snapshot of a tree that has since moved.
          The zero-quota payload channel drops comments. Measured: reading #6521 returned 2 of 3 comments and the one it dropped was the newest — the PM's own dispatch order. It also showed assignees: [] where REST showed the card assigned. Independently reproduced in a second repo (objectstack#13373). ⇒ Do not assume your dispatch order was seen.
          The REST issues-list Link: rel="next" cursor silently truncates — 102 of 287 open issues (objectstack#13900). Use &page=N and cross-check your total against open_issues_count.
          
⭐ The part that matters: a known-hit control cannot detect this class. A truncated corpus still returns your known hit. Only a count cross-check does. I made exactly this mistake — ran a control, proved the channel discriminates, and wrote it up as though I had proved the corpus complete. Those are different claims.
          2. Merge-queue mechanics
          • Confirm enqueue by prefix match on refs/heads/gh-readonly-queue/main/pr-<n>-*, never from the API return (the return is uninformative).
          • ⭐ But ref-absent is NOT evidence of not-enqueued. Propagation lag measured 29s / 31s / 29s on three occasions — and then 7.5–14 minutes on a fourth. Prefix match confirms positives only. Confirm a negative only by the queue demonstrably moving past the entry, or by reading the PR's merge-queue state via API. I nearly re-armed a PR that was already queued; not doing so was the single most useful restraint of the shift.
          • Ejection vs merge: a front merge moves main; an ejection rebuilds every entry with a new sha. Happened twice today (once freezing main ~80 minutes).
          • ⇒ Never publish a queue-build sha as a stable prediction handle. I published one for fix(app-shell,plugin-list,plugin-view): no invented calendar field names, so the refusal screen becomes reachable #7062; a rebuild 20 minutes later made it permanently unfalsifiable. Treat every queue sha as rebuild-fragile and say so when you quote it.
          • Prediction judge:git merge-base --is-ancestor <QUEUE-BUILD sha> origin/main — never a branch head. Squash merges mean branch heads never become ancestors.
          • Conflict pre-check before arming:git merge-tree --write-tree --name-only origin/main <head>; exit 0 = clean. This caught a real conflict earlier in the week that would otherwise have landed in the queue.
          • Queue state, main, branch heads, PR diffs and file contents are all readable over git at ZERO API quota. When the API rate-limits (it did, for ~30 minutes today), you can still read everything and only writes are blocked. Use it.
          3. Repo rules that are mechanically enforced
          4. Open state you inherit
          Awaiting a human#7066 — #6881's ruling prescribes 走复审链 (needs:contract-review). Green and unarmed on purpose.
          Awaiting maintainer ruling#6172 · #4795 · #7023 · #6771 · #4895
          Genuinely blocked#6709 — waits on a @objectstack/specpublish that does not exist. The source landed on objectstack main (8c6a7fc0b) but packages/spec/package.json there still reads 17.2.0. Restart-when: is keyed to the publish, not the source landing.
          Filed this shift, queued, undispatched#7070 · #7071 · #7072 · #7075 · #7077 · #7080 · #7081 · #7082
          Check before dispatching#7072 — #6810 (a catalog sweep) was never checked as a possible absorber. #6902/#6933 are fold-only, awaiting a carrier.
          ⭐ #7081 is not a docs nit.zod-mirror-parity.test.ts asserts one direction only (the mirror accepts everything TS declares), so a mirror wider than the declaration is invisible to it. It is graded priority:p2 for that reason: the docs rows are consequences, the blind gate is the cause.
          5. Two rulings of mine you may want to overturn
          ① A maintainer ruling discharges the human floor — but only the floor its own text names. I extended #6881's 条款② clause (「PR 建立时挂 needs:contract-review 走复审链」) to #5934, whose ruling instead says 「已发布类型成员的 breaking 删除属人工地板,本裁定即该地板动作的记录」 — the floor is discharged by the ruling itself, with no review-chain clause anywhere in it. I held PR #7065 for a gate that was never prescribed. Read each ruling literally; do not generalise a clause across cards.
          ② assignees is PM-written; devs post claim comments only. All agents share one GitHub identity, so the assignee field cannot prove a claim. A claim is assign plus a claim comment carrying a session ID and branch — and you must re-read the comments before writing code, because an earlier claim with a different session ID means it is taken whatever the assignee says.
          6. ⭐ The one pattern worth carrying forward
          Every substantive defect this shift was the same shape: a one-directional check.
          And it applies to the PM seat itself. I was corrected six times this shift — the patch instruction twice, a type I read as boolean that is boolean | string, a fixture count short by 24 occurrences, a hold placed on a card whose ruling forbade it, and a census whose pathspec returned zero for every query including a literal I knew was present (caught only because I ran a control that also returned zero).
          The root of all six is the same: treating "I read a result" as "I measured". My dispatch orders required devs to verify the card's premises. They did not require verifying mine. ⇒ Put your own readings in the premise-verification gate, and tell devs that a clean stop on a falsified PM premise is a full success. Four of five orders this shift came back with a premise corrected, and every one of those corrections improved the result.
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              No milestone
              Relationships
              None yet
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              No branches or pull requests
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              Skip to content
              Handover for the next domain:ui execution-seat PM — measured traps, open state, and two rulings you may want to overturn #7089
              Open
              Open
              Handover for the next domain:ui execution-seat PM — measured traps, open state, and two rulings you may want to overturn#7089
              Labels
              documentationImprovements or additions to documentationdomain:uiobjectui ui stream: fix lands on the published library or apps — objectui execution seatpm:queuepriority:p1
              Description
              @os-sam
              os-sam
              opened on Aug 31, 2026
              Written at the end of a domain:ui dispatch shift (session session_013hfmP9hoMd3dJwTh85J4yB, 2026-08-31). Ordered by "what will burn you", not by topic. Everything here is measured on this repo today unless marked otherwise.
              1. Things that will actively mislead you
              The pm:blocked → pm:queue unlock scan is not the real instrument. Its own comment says so: check-half-states.mjs (H19's implementation) is not installed in this repo, so the unlock is triage recomputing the same criterion by API. Both cards it unlocked for me this shift had moved substantially since filing:
              ⇒ Read the type and the code, not the card. A card body is a snapshot of a tree that has since moved.
              The zero-quota payload channel drops comments. Measured: reading #6521 returned 2 of 3 comments and the one it dropped was the newest — the PM's own dispatch order. It also showed assignees: [] where REST showed the card assigned. Independently reproduced in a second repo (objectstack#13373). ⇒ Do not assume your dispatch order was seen.
              The REST issues-list Link: rel="next" cursor silently truncates — 102 of 287 open issues (objectstack#13900). Use &page=N and cross-check your total against open_issues_count.
              
⭐ The part that matters: a known-hit control cannot detect this class. A truncated corpus still returns your known hit. Only a count cross-check does. I made exactly this mistake — ran a control, proved the channel discriminates, and wrote it up as though I had proved the corpus complete. Those are different claims.
              2. Merge-queue mechanics
              • Confirm enqueue by prefix match on refs/heads/gh-readonly-queue/main/pr-<n>-*, never from the API return (the return is uninformative).
              • ⭐ But ref-absent is NOT evidence of not-enqueued. Propagation lag measured 29s / 31s / 29s on three occasions — and then 7.5–14 minutes on a fourth. Prefix match confirms positives only. Confirm a negative only by the queue demonstrably moving past the entry, or by reading the PR's merge-queue state via API. I nearly re-armed a PR that was already queued; not doing so was the single most useful restraint of the shift.
              • Ejection vs merge: a front merge moves main; an ejection rebuilds every entry with a new sha. Happened twice today (once freezing main ~80 minutes).
              • ⇒ Never publish a queue-build sha as a stable prediction handle. I published one for fix(app-shell,plugin-list,plugin-view): no invented calendar field names, so the refusal screen becomes reachable #7062; a rebuild 20 minutes later made it permanently unfalsifiable. Treat every queue sha as rebuild-fragile and say so when you quote it.
              • Prediction judge:git merge-base --is-ancestor <QUEUE-BUILD sha> origin/main — never a branch head. Squash merges mean branch heads never become ancestors.
              • Conflict pre-check before arming:git merge-tree --write-tree --name-only origin/main <head>; exit 0 = clean. This caught a real conflict earlier in the week that would otherwise have landed in the queue.
              • Queue state, main, branch heads, PR diffs and file contents are all readable over git at ZERO API quota. When the API rate-limits (it did, for ~30 minutes today), you can still read everything and only writes are blocked. Use it.
              3. Repo rules that are mechanically enforced
              4. Open state you inherit
              Awaiting a human#7066 — #6881's ruling prescribes 走复审链 (needs:contract-review). Green and unarmed on purpose.
              Awaiting maintainer ruling#6172 · #4795 · #7023 · #6771 · #4895
              Genuinely blocked#6709 — waits on a @objectstack/specpublish that does not exist. The source landed on objectstack main (8c6a7fc0b) but packages/spec/package.json there still reads 17.2.0. Restart-when: is keyed to the publish, not the source landing.
              Filed this shift, queued, undispatched#7070 · #7071 · #7072 · #7075 · #7077 · #7080 · #7081 · #7082
              Check before dispatching#7072 — #6810 (a catalog sweep) was never checked as a possible absorber. #6902/#6933 are fold-only, awaiting a carrier.
              ⭐ #7081 is not a docs nit.zod-mirror-parity.test.ts asserts one direction only (the mirror accepts everything TS declares), so a mirror wider than the declaration is invisible to it. It is graded priority:p2 for that reason: the docs rows are consequences, the blind gate is the cause.
              5. Two rulings of mine you may want to overturn
              ① A maintainer ruling discharges the human floor — but only the floor its own text names. I extended #6881's 条款② clause (「PR 建立时挂 needs:contract-review 走复审链」) to #5934, whose ruling instead says 「已发布类型成员的 breaking 删除属人工地板,本裁定即该地板动作的记录」 — the floor is discharged by the ruling itself, with no review-chain clause anywhere in it. I held PR #7065 for a gate that was never prescribed. Read each ruling literally; do not generalise a clause across cards.
              ② assignees is PM-written; devs post claim comments only. All agents share one GitHub identity, so the assignee field cannot prove a claim. A claim is assign plus a claim comment carrying a session ID and branch — and you must re-read the comments before writing code, because an earlier claim with a different session ID means it is taken whatever the assignee says.
              6. ⭐ The one pattern worth carrying forward
              Every substantive defect this shift was the same shape: a one-directional check.
              And it applies to the PM seat itself. I was corrected six times this shift — the patch instruction twice, a type I read as boolean that is boolean | string, a fixture count short by 24 occurrences, a hold placed on a card whose ruling forbade it, and a census whose pathspec returned zero for every query including a literal I knew was present (caught only because I ran a control that also returned zero).
              The root of all six is the same: treating "I read a result" as "I measured". My dispatch orders required devs to verify the card's premises. They did not require verifying mine. ⇒ Put your own readings in the premise-verification gate, and tell devs that a clean stop on a falsified PM premise is a full success. Four of five orders this shift came back with a premise corrected, and every one of those corrections improved the result.
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                  Skip to content
                  Handover for the next domain:ui execution-seat PM — measured traps, open state, and two rulings you may want to overturn #7089
                  Open
                  Open
                  Handover for the next domain:ui execution-seat PM — measured traps, open state, and two rulings you may want to overturn#7089
                  Labels
                  documentationImprovements or additions to documentationdomain:uiobjectui ui stream: fix lands on the published library or apps — objectui execution seatpm:queuepriority:p1
                  Description
                  @os-sam
                  os-sam
                  opened on Aug 31, 2026
                  Written at the end of a domain:ui dispatch shift (session session_013hfmP9hoMd3dJwTh85J4yB, 2026-08-31). Ordered by "what will burn you", not by topic. Everything here is measured on this repo today unless marked otherwise.
                  1. Things that will actively mislead you
                  The pm:blocked → pm:queue unlock scan is not the real instrument. Its own comment says so: check-half-states.mjs (H19's implementation) is not installed in this repo, so the unlock is triage recomputing the same criterion by API. Both cards it unlocked for me this shift had moved substantially since filing:
                  ⇒ Read the type and the code, not the card. A card body is a snapshot of a tree that has since moved.
                  The zero-quota payload channel drops comments. Measured: reading #6521 returned 2 of 3 comments and the one it dropped was the newest — the PM's own dispatch order. It also showed assignees: [] where REST showed the card assigned. Independently reproduced in a second repo (objectstack#13373). ⇒ Do not assume your dispatch order was seen.
                  The REST issues-list Link: rel="next" cursor silently truncates — 102 of 287 open issues (objectstack#13900). Use &page=N and cross-check your total against open_issues_count.
                  
⭐ The part that matters: a known-hit control cannot detect this class. A truncated corpus still returns your known hit. Only a count cross-check does. I made exactly this mistake — ran a control, proved the channel discriminates, and wrote it up as though I had proved the corpus complete. Those are different claims.
                  2. Merge-queue mechanics
                  • Confirm enqueue by prefix match on refs/heads/gh-readonly-queue/main/pr-<n>-*, never from the API return (the return is uninformative).
                  • ⭐ But ref-absent is NOT evidence of not-enqueued. Propagation lag measured 29s / 31s / 29s on three occasions — and then 7.5–14 minutes on a fourth. Prefix match confirms positives only. Confirm a negative only by the queue demonstrably moving past the entry, or by reading the PR's merge-queue state via API. I nearly re-armed a PR that was already queued; not doing so was the single most useful restraint of the shift.
                  • Ejection vs merge: a front merge moves main; an ejection rebuilds every entry with a new sha. Happened twice today (once freezing main ~80 minutes).
                  • ⇒ Never publish a queue-build sha as a stable prediction handle. I published one for fix(app-shell,plugin-list,plugin-view): no invented calendar field names, so the refusal screen becomes reachable #7062; a rebuild 20 minutes later made it permanently unfalsifiable. Treat every queue sha as rebuild-fragile and say so when you quote it.
                  • Prediction judge:git merge-base --is-ancestor <QUEUE-BUILD sha> origin/main — never a branch head. Squash merges mean branch heads never become ancestors.
                  • Conflict pre-check before arming:git merge-tree --write-tree --name-only origin/main <head>; exit 0 = clean. This caught a real conflict earlier in the week that would otherwise have landed in the queue.
                  • Queue state, main, branch heads, PR diffs and file contents are all readable over git at ZERO API quota. When the API rate-limits (it did, for ~30 minutes today), you can still read everything and only writes are blocked. Use it.
                  3. Repo rules that are mechanically enforced
                  4. Open state you inherit
                  Awaiting a human#7066 — #6881's ruling prescribes 走复审链 (needs:contract-review). Green and unarmed on purpose.
                  Awaiting maintainer ruling#6172 · #4795 · #7023 · #6771 · #4895
                  Genuinely blocked#6709 — waits on a @objectstack/specpublish that does not exist. The source landed on objectstack main (8c6a7fc0b) but packages/spec/package.json there still reads 17.2.0. Restart-when: is keyed to the publish, not the source landing.
                  Filed this shift, queued, undispatched#7070 · #7071 · #7072 · #7075 · #7077 · #7080 · #7081 · #7082
                  Check before dispatching#7072 — #6810 (a catalog sweep) was never checked as a possible absorber. #6902/#6933 are fold-only, awaiting a carrier.
                  ⭐ #7081 is not a docs nit.zod-mirror-parity.test.ts asserts one direction only (the mirror accepts everything TS declares), so a mirror wider than the declaration is invisible to it. It is graded priority:p2 for that reason: the docs rows are consequences, the blind gate is the cause.
                  5. Two rulings of mine you may want to overturn
                  ① A maintainer ruling discharges the human floor — but only the floor its own text names. I extended #6881's 条款② clause (「PR 建立时挂 needs:contract-review 走复审链」) to #5934, whose ruling instead says 「已发布类型成员的 breaking 删除属人工地板,本裁定即该地板动作的记录」 — the floor is discharged by the ruling itself, with no review-chain clause anywhere in it. I held PR #7065 for a gate that was never prescribed. Read each ruling literally; do not generalise a clause across cards.
                  ② assignees is PM-written; devs post claim comments only. All agents share one GitHub identity, so the assignee field cannot prove a claim. A claim is assign plus a claim comment carrying a session ID and branch — and you must re-read the comments before writing code, because an earlier claim with a different session ID means it is taken whatever the assignee says.
                  6. ⭐ The one pattern worth carrying forward
                  Every substantive defect this shift was the same shape: a one-directional check.
                  And it applies to the PM seat itself. I was corrected six times this shift — the patch instruction twice, a type I read as boolean that is boolean | string, a fixture count short by 24 occurrences, a hold placed on a card whose ruling forbade it, and a census whose pathspec returned zero for every query including a literal I knew was present (caught only because I ran a control that also returned zero).
                  The root of all six is the same: treating "I read a result" as "I measured". My dispatch orders required devs to verify the card's premises. They did not require verifying mine. ⇒ Put your own readings in the premise-verification gate, and tell devs that a clean stop on a falsified PM premise is a full success. Four of five orders this shift came back with a premise corrected, and every one of those corrections improved the result.
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                      Skip to content
                      Handover for the next domain:ui execution-seat PM — measured traps, open state, and two rulings you may want to overturn #7089
                      Open
                      Open
                      Handover for the next domain:ui execution-seat PM — measured traps, open state, and two rulings you may want to overturn#7089
                      Labels
                      documentationImprovements or additions to documentationdomain:uiobjectui ui stream: fix lands on the published library or apps — objectui execution seatpm:queuepriority:p1
                      Description
                      @os-sam
                      os-sam
                      opened on Aug 31, 2026
                      Written at the end of a domain:ui dispatch shift (session session_013hfmP9hoMd3dJwTh85J4yB, 2026-08-31). Ordered by "what will burn you", not by topic. Everything here is measured on this repo today unless marked otherwise.
                      1. Things that will actively mislead you
                      The pm:blocked → pm:queue unlock scan is not the real instrument. Its own comment says so: check-half-states.mjs (H19's implementation) is not installed in this repo, so the unlock is triage recomputing the same criterion by API. Both cards it unlocked for me this shift had moved substantially since filing:
                      ⇒ Read the type and the code, not the card. A card body is a snapshot of a tree that has since moved.
                      The zero-quota payload channel drops comments. Measured: reading #6521 returned 2 of 3 comments and the one it dropped was the newest — the PM's own dispatch order. It also showed assignees: [] where REST showed the card assigned. Independently reproduced in a second repo (objectstack#13373). ⇒ Do not assume your dispatch order was seen.
                      The REST issues-list Link: rel="next" cursor silently truncates — 102 of 287 open issues (objectstack#13900). Use &page=N and cross-check your total against open_issues_count.
                      
⭐ The part that matters: a known-hit control cannot detect this class. A truncated corpus still returns your known hit. Only a count cross-check does. I made exactly this mistake — ran a control, proved the channel discriminates, and wrote it up as though I had proved the corpus complete. Those are different claims.
                      2. Merge-queue mechanics
                      • Confirm enqueue by prefix match on refs/heads/gh-readonly-queue/main/pr-<n>-*, never from the API return (the return is uninformative).
                      • ⭐ But ref-absent is NOT evidence of not-enqueued. Propagation lag measured 29s / 31s / 29s on three occasions — and then 7.5–14 minutes on a fourth. Prefix match confirms positives only. Confirm a negative only by the queue demonstrably moving past the entry, or by reading the PR's merge-queue state via API. I nearly re-armed a PR that was already queued; not doing so was the single most useful restraint of the shift.
                      • Ejection vs merge: a front merge moves main; an ejection rebuilds every entry with a new sha. Happened twice today (once freezing main ~80 minutes).
                      • ⇒ Never publish a queue-build sha as a stable prediction handle. I published one for fix(app-shell,plugin-list,plugin-view): no invented calendar field names, so the refusal screen becomes reachable #7062; a rebuild 20 minutes later made it permanently unfalsifiable. Treat every queue sha as rebuild-fragile and say so when you quote it.
                      • Prediction judge:git merge-base --is-ancestor <QUEUE-BUILD sha> origin/main — never a branch head. Squash merges mean branch heads never become ancestors.
                      • Conflict pre-check before arming:git merge-tree --write-tree --name-only origin/main <head>; exit 0 = clean. This caught a real conflict earlier in the week that would otherwise have landed in the queue.
                      • Queue state, main, branch heads, PR diffs and file contents are all readable over git at ZERO API quota. When the API rate-limits (it did, for ~30 minutes today), you can still read everything and only writes are blocked. Use it.
                      3. Repo rules that are mechanically enforced
                      4. Open state you inherit
                      Awaiting a human#7066 — #6881's ruling prescribes 走复审链 (needs:contract-review). Green and unarmed on purpose.
                      Awaiting maintainer ruling#6172 · #4795 · #7023 · #6771 · #4895
                      Genuinely blocked#6709 — waits on a @objectstack/specpublish that does not exist. The source landed on objectstack main (8c6a7fc0b) but packages/spec/package.json there still reads 17.2.0. Restart-when: is keyed to the publish, not the source landing.
                      Filed this shift, queued, undispatched#7070 · #7071 · #7072 · #7075 · #7077 · #7080 · #7081 · #7082
                      Check before dispatching#7072 — #6810 (a catalog sweep) was never checked as a possible absorber. #6902/#6933 are fold-only, awaiting a carrier.
                      ⭐ #7081 is not a docs nit.zod-mirror-parity.test.ts asserts one direction only (the mirror accepts everything TS declares), so a mirror wider than the declaration is invisible to it. It is graded priority:p2 for that reason: the docs rows are consequences, the blind gate is the cause.
                      5. Two rulings of mine you may want to overturn
                      ① A maintainer ruling discharges the human floor — but only the floor its own text names. I extended #6881's 条款② clause (「PR 建立时挂 needs:contract-review 走复审链」) to #5934, whose ruling instead says 「已发布类型成员的 breaking 删除属人工地板,本裁定即该地板动作的记录」 — the floor is discharged by the ruling itself, with no review-chain clause anywhere in it. I held PR #7065 for a gate that was never prescribed. Read each ruling literally; do not generalise a clause across cards.
                      ② assignees is PM-written; devs post claim comments only. All agents share one GitHub identity, so the assignee field cannot prove a claim. A claim is assign plus a claim comment carrying a session ID and branch — and you must re-read the comments before writing code, because an earlier claim with a different session ID means it is taken whatever the assignee says.
                      6. ⭐ The one pattern worth carrying forward
                      Every substantive defect this shift was the same shape: a one-directional check.
                      And it applies to the PM seat itself. I was corrected six times this shift — the patch instruction twice, a type I read as boolean that is boolean | string, a fixture count short by 24 occurrences, a hold placed on a card whose ruling forbade it, and a census whose pathspec returned zero for every query including a literal I knew was present (caught only because I ran a control that also returned zero).
                      The root of all six is the same: treating "I read a result" as "I measured". My dispatch orders required devs to verify the card's premises. They did not require verifying mine. ⇒ Put your own readings in the premise-verification gate, and tell devs that a clean stop on a falsified PM premise is a full success. Four of five orders this shift came back with a premise corrected, and every one of those corrections improved the result.
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                          Skip to content
                          Handover for the next domain:ui execution-seat PM — measured traps, open state, and two rulings you may want to overturn #7089
                          Open
                          Open
                          Handover for the next domain:ui execution-seat PM — measured traps, open state, and two rulings you may want to overturn#7089
                          Labels
                          documentationImprovements or additions to documentationdomain:uiobjectui ui stream: fix lands on the published library or apps — objectui execution seatpm:queuepriority:p1
                          Description
                          @os-sam
                          os-sam
                          opened on Aug 31, 2026
                          Written at the end of a domain:ui dispatch shift (session session_013hfmP9hoMd3dJwTh85J4yB, 2026-08-31). Ordered by "what will burn you", not by topic. Everything here is measured on this repo today unless marked otherwise.
                          1. Things that will actively mislead you
                          The pm:blocked → pm:queue unlock scan is not the real instrument. Its own comment says so: check-half-states.mjs (H19's implementation) is not installed in this repo, so the unlock is triage recomputing the same criterion by API. Both cards it unlocked for me this shift had moved substantially since filing:
                          ⇒ Read the type and the code, not the card. A card body is a snapshot of a tree that has since moved.
                          The zero-quota payload channel drops comments. Measured: reading #6521 returned 2 of 3 comments and the one it dropped was the newest — the PM's own dispatch order. It also showed assignees: [] where REST showed the card assigned. Independently reproduced in a second repo (objectstack#13373). ⇒ Do not assume your dispatch order was seen.
                          The REST issues-list Link: rel="next" cursor silently truncates — 102 of 287 open issues (objectstack#13900). Use &page=N and cross-check your total against open_issues_count.
                          
⭐ The part that matters: a known-hit control cannot detect this class. A truncated corpus still returns your known hit. Only a count cross-check does. I made exactly this mistake — ran a control, proved the channel discriminates, and wrote it up as though I had proved the corpus complete. Those are different claims.
                          2. Merge-queue mechanics
                          • Confirm enqueue by prefix match on refs/heads/gh-readonly-queue/main/pr-<n>-*, never from the API return (the return is uninformative).
                          • ⭐ But ref-absent is NOT evidence of not-enqueued. Propagation lag measured 29s / 31s / 29s on three occasions — and then 7.5–14 minutes on a fourth. Prefix match confirms positives only. Confirm a negative only by the queue demonstrably moving past the entry, or by reading the PR's merge-queue state via API. I nearly re-armed a PR that was already queued; not doing so was the single most useful restraint of the shift.
                          • Ejection vs merge: a front merge moves main; an ejection rebuilds every entry with a new sha. Happened twice today (once freezing main ~80 minutes).
                          • ⇒ Never publish a queue-build sha as a stable prediction handle. I published one for fix(app-shell,plugin-list,plugin-view): no invented calendar field names, so the refusal screen becomes reachable #7062; a rebuild 20 minutes later made it permanently unfalsifiable. Treat every queue sha as rebuild-fragile and say so when you quote it.
                          • Prediction judge:git merge-base --is-ancestor <QUEUE-BUILD sha> origin/main — never a branch head. Squash merges mean branch heads never become ancestors.
                          • Conflict pre-check before arming:git merge-tree --write-tree --name-only origin/main <head>; exit 0 = clean. This caught a real conflict earlier in the week that would otherwise have landed in the queue.
                          • Queue state, main, branch heads, PR diffs and file contents are all readable over git at ZERO API quota. When the API rate-limits (it did, for ~30 minutes today), you can still read everything and only writes are blocked. Use it.
                          3. Repo rules that are mechanically enforced
                          4. Open state you inherit
                          Awaiting a human#7066 — #6881's ruling prescribes 走复审链 (needs:contract-review). Green and unarmed on purpose.
                          Awaiting maintainer ruling#6172 · #4795 · #7023 · #6771 · #4895
                          Genuinely blocked#6709 — waits on a @objectstack/specpublish that does not exist. The source landed on objectstack main (8c6a7fc0b) but packages/spec/package.json there still reads 17.2.0. Restart-when: is keyed to the publish, not the source landing.
                          Filed this shift, queued, undispatched#7070 · #7071 · #7072 · #7075 · #7077 · #7080 · #7081 · #7082
                          Check before dispatching#7072 — #6810 (a catalog sweep) was never checked as a possible absorber. #6902/#6933 are fold-only, awaiting a carrier.
                          ⭐ #7081 is not a docs nit.zod-mirror-parity.test.ts asserts one direction only (the mirror accepts everything TS declares), so a mirror wider than the declaration is invisible to it. It is graded priority:p2 for that reason: the docs rows are consequences, the blind gate is the cause.
                          5. Two rulings of mine you may want to overturn
                          ① A maintainer ruling discharges the human floor — but only the floor its own text names. I extended #6881's 条款② clause (「PR 建立时挂 needs:contract-review 走复审链」) to #5934, whose ruling instead says 「已发布类型成员的 breaking 删除属人工地板,本裁定即该地板动作的记录」 — the floor is discharged by the ruling itself, with no review-chain clause anywhere in it. I held PR #7065 for a gate that was never prescribed. Read each ruling literally; do not generalise a clause across cards.
                          ② assignees is PM-written; devs post claim comments only. All agents share one GitHub identity, so the assignee field cannot prove a claim. A claim is assign plus a claim comment carrying a session ID and branch — and you must re-read the comments before writing code, because an earlier claim with a different session ID means it is taken whatever the assignee says.
                          6. ⭐ The one pattern worth carrying forward
                          Every substantive defect this shift was the same shape: a one-directional check.
                          And it applies to the PM seat itself. I was corrected six times this shift — the patch instruction twice, a type I read as boolean that is boolean | string, a fixture count short by 24 occurrences, a hold placed on a card whose ruling forbade it, and a census whose pathspec returned zero for every query including a literal I knew was present (caught only because I ran a control that also returned zero).
                          The root of all six is the same: treating "I read a result" as "I measured". My dispatch orders required devs to verify the card's premises. They did not require verifying mine. ⇒ Put your own readings in the premise-verification gate, and tell devs that a clean stop on a falsified PM premise is a full success. Four of five orders this shift came back with a premise corrected, and every one of those corrections improved the result.
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                              Handover for the next domain:ui execution-seat PM — measured traps, open state, and two rulings you may want to overturn #7089
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                              Handover for the next domain:ui execution-seat PM — measured traps, open state, and two rulings you may want to overturn#7089
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                              documentationImprovements or additions to documentationdomain:uiobjectui ui stream: fix lands on the published library or apps — objectui execution seatpm:queuepriority:p1
                              Description
                              @os-sam
                              os-sam
                              opened on Aug 31, 2026
                              Written at the end of a domain:ui dispatch shift (session session_013hfmP9hoMd3dJwTh85J4yB, 2026-08-31). Ordered by "what will burn you", not by topic. Everything here is measured on this repo today unless marked otherwise.
                              1. Things that will actively mislead you
                              The pm:blocked → pm:queue unlock scan is not the real instrument. Its own comment says so: check-half-states.mjs (H19's implementation) is not installed in this repo, so the unlock is triage recomputing the same criterion by API. Both cards it unlocked for me this shift had moved substantially since filing:
                              ⇒ Read the type and the code, not the card. A card body is a snapshot of a tree that has since moved.
                              The zero-quota payload channel drops comments. Measured: reading #6521 returned 2 of 3 comments and the one it dropped was the newest — the PM's own dispatch order. It also showed assignees: [] where REST showed the card assigned. Independently reproduced in a second repo (objectstack#13373). ⇒ Do not assume your dispatch order was seen.
                              The REST issues-list Link: rel="next" cursor silently truncates — 102 of 287 open issues (objectstack#13900). Use &page=N and cross-check your total against open_issues_count.
                              
⭐ The part that matters: a known-hit control cannot detect this class. A truncated corpus still returns your known hit. Only a count cross-check does. I made exactly this mistake — ran a control, proved the channel discriminates, and wrote it up as though I had proved the corpus complete. Those are different claims.
                              2. Merge-queue mechanics
                              • Confirm enqueue by prefix match on refs/heads/gh-readonly-queue/main/pr-<n>-*, never from the API return (the return is uninformative).
                              • ⭐ But ref-absent is NOT evidence of not-enqueued. Propagation lag measured 29s / 31s / 29s on three occasions — and then 7.5–14 minutes on a fourth. Prefix match confirms positives only. Confirm a negative only by the queue demonstrably moving past the entry, or by reading the PR's merge-queue state via API. I nearly re-armed a PR that was already queued; not doing so was the single most useful restraint of the shift.
                              • Ejection vs merge: a front merge moves main; an ejection rebuilds every entry with a new sha. Happened twice today (once freezing main ~80 minutes).
                              • ⇒ Never publish a queue-build sha as a stable prediction handle. I published one for fix(app-shell,plugin-list,plugin-view): no invented calendar field names, so the refusal screen becomes reachable #7062; a rebuild 20 minutes later made it permanently unfalsifiable. Treat every queue sha as rebuild-fragile and say so when you quote it.
                              • Prediction judge:git merge-base --is-ancestor <QUEUE-BUILD sha> origin/main — never a branch head. Squash merges mean branch heads never become ancestors.
                              • Conflict pre-check before arming:git merge-tree --write-tree --name-only origin/main <head>; exit 0 = clean. This caught a real conflict earlier in the week that would otherwise have landed in the queue.
                              • Queue state, main, branch heads, PR diffs and file contents are all readable over git at ZERO API quota. When the API rate-limits (it did, for ~30 minutes today), you can still read everything and only writes are blocked. Use it.
                              3. Repo rules that are mechanically enforced
                              4. Open state you inherit
                              Awaiting a human#7066 — #6881's ruling prescribes 走复审链 (needs:contract-review). Green and unarmed on purpose.
                              Awaiting maintainer ruling#6172 · #4795 · #7023 · #6771 · #4895
                              Genuinely blocked#6709 — waits on a @objectstack/specpublish that does not exist. The source landed on objectstack main (8c6a7fc0b) but packages/spec/package.json there still reads 17.2.0. Restart-when: is keyed to the publish, not the source landing.
                              Filed this shift, queued, undispatched#7070 · #7071 · #7072 · #7075 · #7077 · #7080 · #7081 · #7082
                              Check before dispatching#7072 — #6810 (a catalog sweep) was never checked as a possible absorber. #6902/#6933 are fold-only, awaiting a carrier.
                              ⭐ #7081 is not a docs nit.zod-mirror-parity.test.ts asserts one direction only (the mirror accepts everything TS declares), so a mirror wider than the declaration is invisible to it. It is graded priority:p2 for that reason: the docs rows are consequences, the blind gate is the cause.
                              5. Two rulings of mine you may want to overturn
                              ① A maintainer ruling discharges the human floor — but only the floor its own text names. I extended #6881's 条款② clause (「PR 建立时挂 needs:contract-review 走复审链」) to #5934, whose ruling instead says 「已发布类型成员的 breaking 删除属人工地板,本裁定即该地板动作的记录」 — the floor is discharged by the ruling itself, with no review-chain clause anywhere in it. I held PR #7065 for a gate that was never prescribed. Read each ruling literally; do not generalise a clause across cards.
                              ② assignees is PM-written; devs post claim comments only. All agents share one GitHub identity, so the assignee field cannot prove a claim. A claim is assign plus a claim comment carrying a session ID and branch — and you must re-read the comments before writing code, because an earlier claim with a different session ID means it is taken whatever the assignee says.
                              6. ⭐ The one pattern worth carrying forward
                              Every substantive defect this shift was the same shape: a one-directional check.
                              And it applies to the PM seat itself. I was corrected six times this shift — the patch instruction twice, a type I read as boolean that is boolean | string, a fixture count short by 24 occurrences, a hold placed on a card whose ruling forbade it, and a census whose pathspec returned zero for every query including a literal I knew was present (caught only because I ran a control that also returned zero).
                              The root of all six is the same: treating "I read a result" as "I measured". My dispatch orders required devs to verify the card's premises. They did not require verifying mine. ⇒ Put your own readings in the premise-verification gate, and tell devs that a clean stop on a falsified PM premise is a full success. Four of five orders this shift came back with a premise corrected, and every one of those corrections improved the result.
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