Merged after conflict resolution: the 5 conflicting test files were the base-red drains that #11201 already landed on the tip — kept the tip versions; the feature content is untouched. Validated on the combined batch board + this branch: codex-app-server + codex-gpt56-catalog 25/25, typecheck:core clean, docs-counts green (351 providers), provider-consistency 268/351/0. The opt-in codex-app-server transport (JSON-RPC-over-WS, turn/completed-awaited close, Responses SSE bridge) leaves the default codex path untouched. Thank you @arminanton — a 3.4k-line transport with the docs wave and tests to match!
fix(agentrouter): infer protocol from client endpoint
- /v1/responses resolves AgentRouter as openai-responses
- /v1/chat/completions resolves AgentRouter as openai
- /v1/messages resolves AgentRouter as claude
- Per-request protocol and credential cloning (no SQLite mutation)
- Codex 0.146.0 and Claude Code 2.1.220 identity alignment
- response.completed.usage.total_tokens normalization for strict Codex clients
Closes#9224