Teknium a3ac142c83 fix(core): guard print() calls in run_conversation() against OSError ...

In headless environments (systemd, Docker, nohup) stdout can become
unavailable mid-session. Raw print() raises OSError which crashes
cron jobs — agent finishes work but delivery never happens because
the error handler's own print() also raises OSError.

Fix:
- Add _safe_print() static method that wraps print() with try/except
  OSError — silently drops output when stdout is broken
- Make _vprint() use _safe_print() — protects all calls through the
  verbose print path
- Convert raw print() calls in run_conversation() hot path to use
  _safe_print(): starting conversation, interrupt, budget exhausted,
  preflight compression, context cache, conversation completed
- Error handler print (the cascading crash point) gets explicit
  try/except with logger.error() fallback so diagnostics aren't lost

Fixes #845
Closes #1358 (superseded — PR was 323 commits stale with a bug)

2026-03-17 02:41:01 -07:00

316 KiB

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