Phillip Tarrant f7c51b79da fix(api): best-effort call logging + non-JSON 200 → ModelError (final-review) ...

- call_log._default_write: swallow any exception from the default file/
  stdout sink and report to stderr, so a log-write failure (disk full,
  bad permissions, misconfigured CALL_LOG_PATH) never turns a successful
  narration into a 500 (charter §13). Injected write= sinks (used by
  tests) are left to surface their own errors.
- ollama_client.chat: catch ValueError alongside httpx.HTTPError in the
  retry loop so a 200 response with a non-JSON body (JSONDecodeError is
  a ValueError subclass) counts as a failed attempt and falls through to
  ModelError after the one retry, instead of escaping chat() uncaught
  (charter §12 — one retry, then ModelError, nothing else escapes).
- main.py: update stale docstrings — /dm/narrate is now fully wired
  (routing + model call + logging); the other four roles remain stubs.

Regression tests added for both fixes (TDD: watched RED, then GREEN).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

2026-07-10 08:45:39 -05:00

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