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feat(studio): make the flow-canvas error banner clickable (reveal on click) - #1976

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feat/flow-canvas-error-banner-click
Jun 24, 2026
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feat(studio): make the flow-canvas error banner clickable (reveal on click)#1976
os-zhuang merged 1 commit into
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feat/flow-canvas-error-banner-click

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What & why

The inline structural-error banner on the flow canvas (ADR-0044 cycle surfacing, #1958) was display-only. Since then a full Problems panel landed — clickable rows that select + pan-to-reveal the offending node/edge — but the always-visible canvas banner still just showed text via a separate validationErrors: string[], duplicating the panel's data.

Change

  • Clickable banner — drive the banner from the unified problems list and make each row with a concrete target a button. Clicking it calls the same onSelectProblem/reveal handler the Problems panel uses (onRevealProblem), so it selects and pans-to-center the offending node/edge. Flow-level problems (no specific element) stay non-clickable.
  • Dedup — remove the redundant validationErrors prop and its duplicate validateFlowDraft message-mapping in FlowPreview. The banner, Problems panel, and on-canvas badges now share one source (buildFlowProblems). The red edge/node highlighting (its own invalidNodeIds/invalidEdges) is unchanged.

Verification

  • FlowCanvas tests 4 passing (banner renders from problems; click → onRevealProblem called with the problem; warnings excluded from the banner; clean flow → no banner/markers).
  • Full metadata-admin suite 463 passing (no regression).
  • type-check 0 errors; eslint 0 errors (3 pre-existing warnings untouched).

Note: the click-to-reveal capability already existed in the side Problems panel; this makes the always-visible banner equally actionable and removes the duplicate data path. Completes the #3 UX-polish follow-up to #1958.

🤖 Generated with Claude Code

The inline structural-error banner (ADR-0044 cycle surfacing) was display-only,
duplicating the newer Problems-panel data via a separate `validationErrors`
string[]. Drive it from the unified `problems` list instead and make each row
with a concrete target a button: clicking selects + pans-to-reveal the offending
node/edge (reusing the Problems panel's reveal handler), so the always-visible
banner is actionable without opening the panel. The `validationErrors` prop +
its duplicate validateFlowDraft-message derivation are removed; the red
edge/node highlighting stays.
Refs #1958 (ADR-0044 inline cycle surfacing).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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@os-zhuang
os-zhuang merged commit 522a54c into mainJun 24, 2026
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os-zhuang deleted the feat/flow-canvas-error-banner-click branch June 24, 2026 15:37
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✅ Console Performance Budget

MetricValueBudget
Main entry (gzip)58.8 KB350 KB
Entry fileindex-BrWODO9w.js
StatusPASS

📦 Bundle Size Report

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Size Limits

  • ✅ Core packages should be < 50KB gzipped
  • ✅ Component packages should be < 100KB gzipped
  • ⚠️ Plugin packages should be < 150KB gzipped

os-zhuang added a commit that referenced this pull request Jun 24, 2026
…oblem list
Follow-up to #1972 (Problems panel + badges) and #1976 (clickable banner). The
flow preview still ran validateFlowDraft TWICE per render — once in
buildFlowProblems (badges / banner / panel) and again in a separate memo that
derived the red node/edge ring/stroke, with the cycle-highlight logic duplicated.
buildFlowProblems is now the single validation pass: a new
deriveInvalidElements(problems) produces the red error set (errors only; a cycle
paints its whole loop via a per-problem `highlight` set, while its badge + reveal
stay on the closing edge). The preview drops its second validateFlowDraft call.
The clickable banner (#1976), badges, and panel are unchanged — all four surfaces
now derive from one list, so they cannot drift.
Browser-verified on showcase_budget_approval (injected an un-declared cycle by
flipping the resubmit back-edge → normal): clickable banner, edge badge, full-loop
red paint (4 elements), and Problems count all in lock-step; reverting clears all.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
os-zhuang added a commit that referenced this pull request Jun 24, 2026
…oblem list (#1977)
Follow-up to #1972 (Problems panel + badges) and #1976 (clickable banner). The
flow preview still ran validateFlowDraft TWICE per render — once in
buildFlowProblems (badges / banner / panel) and again in a separate memo that
derived the red node/edge ring/stroke, with the cycle-highlight logic duplicated.
buildFlowProblems is now the single validation pass: a new
deriveInvalidElements(problems) produces the red error set (errors only; a cycle
paints its whole loop via a per-problem `highlight` set, while its badge + reveal
stay on the closing edge). The preview drops its second validateFlowDraft call.
The clickable banner (#1976), badges, and panel are unchanged — all four surfaces
now derive from one list, so they cannot drift.
Browser-verified on showcase_budget_approval (injected an un-declared cycle by
flipping the resubmit back-edge → normal): clickable banner, edge badge, full-loop
red paint (4 elements), and Problems count all in lock-step; reverting clears all.
Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
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