fix(cursor): break repeated narration across tool cycles - #3357
fix(cursor): break repeated narration across tool cycles#3357huaiqing-afk wants to merge 2 commits into
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📝 WalkthroughWalkthroughThe replay breaker now tracks consecutive duplicate entries separately by message role. User and developer messages clear all role-specific state. Tests cover repeated assistant narration across tool-call and tool-result cycles. ChangesReplay deduplication
Estimated code review effort: 2 (Simple) | ~10 minutes Merge Risk: 🔵 Low · up to Cursor replay narration may be incorrectly collapsed across a turn boundary when an intervening user or developer message is empty or whitespace-only. The impact is bounded to this edge case, but the replay state should reset for every such boundary before merge. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
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리뷰 · 우선순위 72 / 80이 PR은 Cursor 외부 모델(full-replay) 경로에서 같은 조수 말이 도구 호출·결과 사이에 끼어 있어도 반복으로 잡히게 고칩니다. 지금 고치는 방식은 단순합니다. 역할별로 지금 동작 의미도 한 번 짚을 만합니다. 주석의 “consecutive”는 이제 메시지 스트림上の 바로 옆이 아니라 같은 역할 기준의 반복입니다. 합쳐진 뒤에는 루트 프롬프트에 조수 말이 한 덩어리로만 남으니, 모델에게 보이는 효과는 “같은 말이 N번”이 맞고, 라인 단위로 보면 제품 위험은 낮고, “얼마나 공격적으로 합칠지”와 “draft를 언제 ready로 올릴지”가 판단 포인트입니다.
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Inline comments:
In `@src/adapters/cursor/protobuf-request.ts`:
- Line 345: Update the replay-state handling around replayRuns.clear() so every
user or developer entry clears replay state, including empty or whitespace-only
entries. Align the condition with lastActionIndex()’s turn-boundary behavior
while preserving existing handling for non-boundary entries.
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src/adapters/cursor/protobuf-request.tstests/cursor-repetition-breaker.test.ts
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Carried from #3357 onto current dev. Independent of the other carried fixes, so it ships as its own PR rather than a stack layer. Co-authored-by: jun <jun@lidge.dev> Co-authored-by: huaiqing-afk <huaiqing-afk@users.noreply.github.com>
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Verification
bun run typecheck— passed.bun test tests/cursor-repetition-breaker.test.ts tests/cursor-tool-continuation.test.ts tests/cursor-tool-result-invocation.test.ts— 44 passed, 0 failed.bun run privacy:scan— passed.git diff upstream/dev...HEAD --check— passed.bun run test:changed— stopped after 2m30s without output on this Windows host; not counted as passing. The Draft PR remains available for repository CI.Checklist
All CI tests are green on my local testing.
I pushed my PR to the latest dev commit.
I resolved all correct Codex and CodeRabbit findings.
My PR is ready for review.
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