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39 lines
1.8 KiB
Markdown
39 lines
1.8 KiB
Markdown
# Agent Log: codex-overlay-whitespace-newline-20260221T040705Z-aw2j
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- alias: codex-overlay-whitespace-newline
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- mission: Fix visible overlay whitespace/newline token rendering bug (blank hoverable tokens) with regression tests.
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- status: completed
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- started_utc: 2026-02-21T04:07:05Z
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- last_update_utc: 2026-02-21T04:14:30Z
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## Intent
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- Reproduce bug around spaces/newlines + `preserveLineBreaks` in visible overlay.
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- Add failing renderer/tokenization regression tests first.
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- Patch render/token mapping to avoid hoverable blank tokens and preserve-mode duplication.
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## Touched Files
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- src/renderer/subtitle-render.ts
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- src/renderer/subtitle-render.test.ts
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- docs/subagents/INDEX.md
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- docs/subagents/collaboration.md
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- docs/subagents/agents/codex-overlay-whitespace-newline-20260221T040705Z-aw2j.md
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## Decisions
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- Ignore whitespace-only token surfaces in source alignment.
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- Non-preserve mode: flatten token newlines to spaces, whitespace-only surfaces as text nodes.
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- Preserve mode alignment: skip unmatched token surfaces (do not append fallback token) to avoid duplicate tail text.
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## Verification
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- RED: new whitespace-separator test failed before fix.
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- GREEN: renderer suite pass after first fix.
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- RED: new preserve-mode duplicate-tail mismatch test failed before fix.
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- GREEN: `bun run build && node dist/renderer/subtitle-render.test.js` pass (11/11).
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- GREEN: `node --test dist/renderer/subtitle-render.test.js` pass.
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## Blockers
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- none
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## Next Step
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- User visual verify with `preserveLineBreaks=true` + known mixed-width numeral lines.
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- [2026-02-21T04:18:16Z] follow-up: fixed non-token first-paint behavior to collapse line breaks when `preserveLineBreaks=false` (`normalizeSubtitle(..., collapseLineBreaks=true)` in fallback path); added regression test for normalize collapse.
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