Move the store.ingest_enabled() gate inside the main try/except. Previously
it sat outside as a standalone block: ingest_enabled() -> _load_pg_config()
raises FileNotFoundError when config.yaml is absent/malformed, which escaped
_persist_to_db, was caught by dispatch_task's outer except, and flipped a
successful download to FAILED -- violating the hook's never-raise invariant.
Now config errors print a [warn], record ok=False, and return silently.
Co-Authored-By: Claude <noreply@anthropic.com>
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