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⚡ Bolt: [Replace intermediate array allocations in role mapping]#360

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bolt-perf-workspace-roles-15376324858449251490
Jun 20, 2026
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⚡ Bolt: [Replace intermediate array allocations in role mapping]#360
github-actions[bot] merged 1 commit into
developfrom
bolt-perf-workspace-roles-15376324858449251490

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@seonghobae

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💡 What: Replaced Array.from(roleMap.values()).map(...) with a for...of loop inside the allRoles useMemo block in Workspace.tsx.
🎯 Why: Creating an intermediate array just to iterate over it again unnecessarily consumes memory and adds to garbage collection (GC) overhead. This can cause micro-stutters during frequent workspace re-renders.
📊 Impact: Achieves O(1) memory overhead by avoiding the intermediate array allocation, preventing an O(N) allocation step where N is the number of roles.
🔬 Measurement: Verify using the react profiler during role switching, or confirm via tests: npm run test --workspace=apps/desktop and npm run typecheck --workspace=apps/desktop.


PR created automatically by Jules for task 15376324858449251490 started by @seonghobae

…es mapping

Replaces an Array.from().map() chain with a for...of loop to avoid O(N) intermediate array allocation and GC pressure during role mapping memoization.
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opencode-agent Bot commented Jun 20, 2026

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OpenCode Review Overview

  • Head SHA: a6ea530d872f574ad02ac63614b95aaae8a79234
  • Workflow run: 27873314233
  • Workflow attempt: 1
  • Gate result: APPROVE (approval step)

Pull request overview

Reviewed changes in .jules/bolt.md and Workspace.tsx. No regressions or issues identified. Changes are well-documented and do not introduce any risks.

Findings

No blocking findings from OpenCode's independent review.

Verification

  • Review source: independent OpenCode review of the current checkout, focused changed hunks, and current-head GitHub Check evidence.
  • Structural exploration: completed before approval; if structural exploration, changed-file inspection, or evidence completeness is missing, OpenCode must not approve.
  • Result: APPROVE
  • Reason: No source-backed blockers found; structural exploration completed.

Gate evidence

  • Head SHA: a6ea530d872f574ad02ac63614b95aaae8a79234
  • Workflow run: 27873314233
  • Workflow attempt: 1

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Pull request overview

Reviewed changes in .jules/bolt.md and Workspace.tsx. No regressions or issues identified. Changes are well-documented and do not introduce any risks.

Findings

No blocking findings from OpenCode's independent review.

Verification

  • Review source: independent OpenCode review of the current checkout, focused changed hunks, and current-head GitHub Check evidence.
  • Structural exploration: completed before approval; if structural exploration, changed-file inspection, or evidence completeness is missing, OpenCode must not approve.
  • Result: APPROVE
  • Reason: No source-backed blockers found; structural exploration completed.

Gate evidence

  • Head SHA: a6ea530d872f574ad02ac63614b95aaae8a79234
  • Workflow run: 27873314233
  • Workflow attempt: 1

@github-actions github-actions Bot merged commit 6c57d06 into develop Jun 20, 2026
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