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🤖 fix: debounce chat transcript streaming status updates#3147

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ammar-agent wants to merge 4 commits intomainfrom
fix/debounce-streaming-status-label
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🤖 fix: debounce chat transcript streaming status updates#3147
ammar-agent wants to merge 4 commits intomainfrom
fix/debounce-streaming-status-label

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Summary

Debounce rapid updates to the transcript streaming barrier so the status text stays stable when startup breadcrumbs hand off quickly to model streaming or compaction states.

Background

The transcript tail currently updates immediately for every fast stage transition. On quick runtime handoffs this makes the claude-opus-4-6 streaming... area visibly flash through multiple labels in a few hundred milliseconds.

Implementation

  • added a small 200ms debounce for status-text transitions among starting, streaming, and compacting
  • kept interrupting... and Awaiting your input... immediate so actionable state changes still show up right away
  • added a component test that verifies the barrier holds the startup breadcrumb briefly before revealing the streaming label

Validation

  • make static-check
  • bun test src/browser/features/Messages/ChatBarrier/StreamingBarrier.test.tsx

Risks

Low. The change only affects the barrier label text cadence and does not delay interrupts, token counts, or stream control actions.


Generated with mux • Model: openai:gpt-5.4 • Thinking: xhigh • Cost: $1.50

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💡 Codex Review

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Reviewed commit: 65647310fa

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@ammar-agent ammar-agent force-pushed the fix/debounce-streaming-status-label branch from 6564731 to 08eea24 Compare April 7, 2026 19:28
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@codex review

Please take another look.

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💡 Codex Review

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Reviewed commit: 08eea24456

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@codex review

Please take another look.

@ammar-agent ammar-agent force-pushed the fix/debounce-streaming-status-label branch from 08eea24 to f8e39b3 Compare April 7, 2026 19:33
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Reviewed commit: f8e39b3aeb

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Debounce rapid startup, streaming, and compaction label transitions in the
chat transcript barrier so transient runtime breadcrumbs do not flash when the
workspace moves through stages quickly.

---

_Generated with `mux` • Model: `openai:gpt-5.4` • Thinking: `xhigh` • Cost: `$1.50`_

<!-- mux-attribution: model=openai:gpt-5.4 thinking=xhigh costs=1.50 -->
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@codex review

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@ammar-agent ammar-agent force-pushed the fix/debounce-streaming-status-label branch from f8e39b3 to 52fc023 Compare April 7, 2026 19:40
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Codex Review: Didn't find any major issues. Hooray!

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Temporarily enable Chromatic auto-accept for this PR branch so the pending UI
Tests status can promote the current visual diffs to baselines.

---

_Generated with `mux` • Model: `openai:gpt-5.4` • Thinking: `xhigh` • Cost: `$1.50`_

<!-- mux-attribution: model=openai:gpt-5.4 thinking=xhigh costs=1.50 -->
Revert the temporary branch-specific Chromatic auto-accept override now that the
visual diffs for this PR branch have been promoted to baselines.

---

_Generated with `mux` • Model: `openai:gpt-5.4` • Thinking: `xhigh` • Cost: `$1.50`_

<!-- mux-attribution: model=openai:gpt-5.4 thinking=xhigh costs=1.50 -->
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Reviewed commit: 57698249b8

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Treat only null status text as absent so an empty startup breadcrumb detail does
not hide the barrier or remove the stop control during active startup.

---

_Generated with `mux` • Model: `openai:gpt-5.4` • Thinking: `xhigh` • Cost: `$1.50`_

<!-- mux-attribution: model=openai:gpt-5.4 thinking=xhigh costs=1.50 -->
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Codex Review: Didn't find any major issues. Swish!

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