- Engine: when the primary summarizer is out of retries (or misconfigured),
run_summarize now finishes the job on the configured rescue provider
(SHONAR_LLM_FALLBACK_*), tags the summary with the provider that wrote it,
and stores a human note in job.error; success clears stale notes.
- App (auto/lan): passes Ollama as the rescue provider when it is up.
- Detail screen: shows the rescue-swap note in plain words, a red
'Summary failed' line with Settings -> Summarizer fix instructions and a
Retry summary button on hard failure.
- Settings copy explains the fallback. 3 new pytest cases (14/14 pass);
live E2E on 2026-09-18: sarcastic summary v6 via LAN on attempt 2.
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