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merge queue: checking release/v3.8.49 (7123236) and #6982 together - #7363
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… blocks #6954 — System turns misattributed as assistant (claude-to-openai.ts:352) The ternary `msg.role === 'user' || msg.role === 'tool' ? 'user' : 'assistant'` mapped any non-user/non-tool role (including 'system') to 'assistant'. Mid-conversation system turns (Claude format) lost their role on translation to OpenAI format, causing them to be treated as assistant output. Fix: add explicit 'system' branch to the ternary. #6953 — Empty-signature thinking blocks poison Anthropic leg (openai-to-claude.ts) Non-Anthropic providers (codex/gpt-5.x) synthesize thinking blocks with signature:''\. On replay, the old code fabricated a DEFAULT_THINKING_CLAUDE_SIGNATURE to fill the empty signature — but Anthropic rejects foreign signatures with HTTP 400, permanently degrading combo/blend routes to codex-only. Fix: strip thinking blocks with empty/missing signatures and redacted_thinking blocks with empty/missing data entirely. They carry no replayable value. Tests: 8 new tests (4 per bug), all passing. Existing #5312 and #5945 regression tests still pass — no interference.
…d signature CI caught a regression: translator-helper-branches test had a Claude-format thinking block without signature field (undefined) that was being stripped by the original fix. The fix was too aggressive — it stripped both signature:"" (non-Anthropic synthesized) and signature: undefined (legitimate Claude-format). Correct behavior: - signature === "" (empty string): strip — hallmark of codex/gpt-5.x block - signature === undefined: preserve with DEFAULT_THINKING_CLAUDE_SIGNATURE fallback - redacted_thinking data === "": strip - redacted_thinking data === undefined: preserve with fallback Added regression test for undefined-signature preservation.
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⏳ The pull request #6982 is queued for merge and currently being checked. ⏳
Branch release/v3.8.49 (7123236) and #6982 are queued together for merge.
This pull request has been created by Mergify to check the mergeability of #6982.
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Required conditions of queue rule
releasefor merge:#check-success>=1check-success=Merge integrity (changelog + generated skills)#check-pending=0#check-failure=0#check-failure=1check-failure=dast-smokeRequired conditions to stay in the queue:
-conflict-draftbase~=^release/v\d+\.\d+\.\d+$label=queue