fix: demote developer to user for OrcaSAQ-2 leading-system template

[Dolceandgabanna03aw]

Summary

• Translated Chat requests for the OrcaSAQ-2-Cyber-27B GGUF template now keep a text-only developer reminder in its chronological slot as user, avoiding unsupported late system / developer roles. The Orca alternative requires GGUF in the final model segment before any optional colon quant tag; non-GGUF Orca models retain their configured role mapping.
• Merged origin/dev at c48e46d7f43cd2f4f13878437d9b085475d5069c into the contributor branch without rebasing or force-pushing. Preserved fix(openai-chat): apply the Qwen3.8-27B template rule to gateway-namespaced ids #6685 (3db71c63a1): the ^(?:[^/]+/)* gateway namespace prefix and existing Qwen alternatives are unchanged, including openai/Qwen3.8-27B and hosted_vllm/Qwen/Qwen3.8-27B.
• Added non-GGUF negatives (including a :GGUF tag without a GGUF checkpoint marker), namespaced GGUF coverage, and the explicit developer-role declaration case. Reconciled the adapter reference and Chat compatibility contract while preserving the gateway-namespace statement.

Verification

Validated the merge result committed and pushed as 727b8b01b413185c7ce0b7de68a838cdf8a632d9:

• bun test ./tests/adapters/openai/openai-chat-qwen38-leading-system.test.ts before the GGUF guard — 13 pass / 4 fail; all four new non-GGUF cases exposed the overly broad Orca alternative.
• bun test ./tests/adapters/openai/openai-chat-qwen38-leading-system.test.ts ./tests/adapters/openai/openai-chat-system-order.test.ts ./tests/adapters/openai/openai-chat-developer-position.test.ts ./tests/ci-workflows/docs-developer-role-policy.test.ts after the guard — 60 pass, 0 fail, across 4 files. The PR's Orca tests and fix(openai-chat): apply the Qwen3.8-27B template rule to gateway-namespaced ids #6685's Qwen namespace regressions are in the same leading-system test file.
• bun run typecheck — passed, exit 0.
• bun run structure:check — passed, exit 0 (structure/ SSOT checks passed); the contract remains within its 600-line budget.
• git diff origin/dev --check — passed, no whitespace errors in the PR changes.
• The full suite and documentation-site build were not run under this bounded validation scope. Broader execution coverage is left to the user-requested single Cross-platform CI run at the end of the integration task. Hosted CI was not awaited, cancelled, or rerun; no hosted CI pass is claimed. The contributor's earlier live reproduction was not repeated in this update.

Checklist

• Scope stays focused and avoids unrelated cleanup.
• Docs or release notes were updated when needed.
• Security-sensitive changes were reviewed for secrets, auth, and unsafe defaults (no security-sensitive behavior is changed).

Co-authored-by: Dolceandgabanna03aw 75byy8hmcy@privaterelay.appleid.com

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• Required local validation passed; commands, results, and any full-suite exception are documented.
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Summary by CodeRabbit

• Compatibility
  • OrcaSAQ-2-Cyber-27B models with GGUF in the model name now handle developer messages like Qwen3.8-27B on translated Chat routes, including names with organization prefixes and quantization tags.
  • Non-GGUF Orca variants retain their configured developer-message behavior. Native OpenAI requests are unchanged.
• Documentation
  • Updated adapter guidance to clarify model-specific message-role behavior and which message types are supported.

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✅ Deterministic PR hygiene checks passed.

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📥 Commits

Reviewing files that changed from the base of the PR and between b2abb05 and 727b8b0.

📒 Files selected for processing (4)

• docs-site/src/content/docs/reference/adapters.md
• src/adapters/openai-chat/messages.ts
• structure/providers/chat-compat.md
• tests/adapters/openai/openai-chat-qwen38-leading-system.test.ts

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📝 Walkthrough

Walkthrough

The translated Chat role-mapping exception now covers OrcaSAQ-2-Cyber-27B GGUF identifiers alongside Qwen3.8-27B. The compatibility description, documentation, and tests reflect the expanded mapping.

Changes

Translated Chat role mapping

Layer / File(s)	Summary
Model matching and role mapping src/adapters/openai-chat/messages.ts, structure/providers/chat-compat.md, docs-site/src/content/docs/reference/adapters.md, tests/adapters/openai/openai-chat-qwen38-leading-system.test.ts	The translated Chat exception now matches OrcaSAQ-2-Cyber-27B GGUF variants, including optional organization prefixes, while retaining the native OpenAI exclusion. For either supported model family, developer messages use the user role; other models retain developerWireRole. The compatibility text, documentation, and parameterized tests cover the expanded mapping and optional quantization tags.

Priority: ➖ Normal

Estimated code review effort: 2 (Simple) | ~10 minutes

Change: Bug fix

Merge Risk: 🔵 Low · up to b2abb

A custom provider using a non-GGUF model ID with this prefix can send developer reminders as user messages. Narrow the matcher to the GGUF family before merging; the affected configuration is bounded.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 33.33% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 3 functions across 2 files. (2 skipped: 2…	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly describes the main change: mapping developer messages to user for the OrcaSAQ-2 leading-system template.

Full details: Docstring Coverage

Explanation

Docstring coverage is 33.33% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 3 functions across 2 files. (2 skipped: 2 unsupported.)

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Review readiness checklist

• ✅ Required local validation passed; commands, results, and any full-suite exception are documented.
• ✅ I pushed my PR to a recent dev commit (at most 10 behind; a maintainer may still ask for the exact tip before merge).
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Actionable comments posted: 1

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Inline comments:
Review comments at @src/adapters/openai-chat/messages.ts:
- Around line 145-149: Update the OrcaSAQ-2-Cyber-27B alternative in the
leadingSystemTemplate matcher to require a GGUF marker in the model ID, while
preserving its existing suffix and quant-tag matching. Leave the Qwen
alternatives unchanged.

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ℹ️ Review info

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• Configuration used: Repository: lidge-jun/opencodex/.coderabbit.yaml
• Review profile: ASSERTIVE
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📥 Commits

Reviewing files that changed from the base of the PR and between 8c6e273 and b2abb05.

📒 Files selected for processing (4)

• docs-site/src/content/docs/reference/adapters.md
• src/adapters/openai-chat/messages.ts
• structure/providers/chat-compat.md
• tests/adapters/openai/openai-chat-qwen38-leading-system.test.ts

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[lidge-jun]

Maintainer integration into dev as part of the 2026-10-07 daily merge train (MAINTAINERS.md dev-only maintainer integration; not a self-approval or an independent review).

• Exact head: 727b8b01b413185c7ce0b7de68a838cdf8a632d9 (contributor branch with a maintainer merge of origin/dev resolving the overlap with fix(openai-chat): apply the Qwen3.8-27B template rule to gateway-namespaced ids #6685, plus the GGUF-scoped matcher polish requested in review).
• Owner instruction for this train: squash-merge without per-PR Cross-platform CI; one workflow_dispatch Cross-platform CI (lane=all) runs on the final dev tip, with fix-forward if red.
• Local verification on the exact merge of this head into current origin/dev: bun test ./tests/adapters/openai/ ./tests/ci-workflows/docs-developer-role-policy.test.ts 631 pass; layout/tooling/file-size-ratchet guards 27 pass; bun x tsc --noEmit 0; bun run structure:check pass. The new non-GGUF negatives failed before the fix and pass after it.
• Review: independent gpt-6.1-sol adversarial review PASS (dev's namespace prefix and Qwen alternatives preserved exactly; Orca matched only with GGUF before any colon tag; fix(openai-chat): apply the Qwen3.8-27B template rule to gateway-namespaced ids #6685 regressions retained). Review thread resolved. No gui/ paths.
• Checks present on the head: enforce-target:pending hygiene:queued label:in_progress resolve-pr:success.