Teknium 4a2ee6c162 fix(title-gen): surface auxiliary failures via _emit_auxiliary_failure ...

Closes #15775.

Title generation swallowed exceptions at debug level and returned None,
so a depleted auxiliary provider (e.g. OpenRouter 402) silently left
sessions with NULL titles. Reporter observed 45 untitled sessions
accumulated over 19 days with no user-visible indication.

- agent/title_generator.py: accept optional failure_callback, bump log
  to WARNING, invoke callback on call_llm exception (swallowing callback
  errors so nothing can crash the fire-and-forget worker thread).
- cli.py, gateway/run.py: pass agent._emit_auxiliary_failure as the
  callback so failures route through the existing user-visible warning
  channel.
- tests: cover callback fires / errors are swallowed / no-callback
  legacy behavior / maybe_auto_title forwards kwarg to worker.

2026-04-26 21:49:34 -07:00

528 KiB

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