Mirror canonical stub-remediation: redact warnings, expose Generation.warning, drop warning from public digest responses, reject unknown sessions

Mirror canonical: replace rolling RSS windows with exact ET calendar windows

Fix backfill: holiday anchor uses as_of when backfilling

Add backfill mode: trigger endpoint accepts as_of query param to anchor RSS filter

Mirror council fixes to HF Space: User-Agent, empty values_raw, stub fabrication, coerce_payload, fail-closed auth, holiday skip, schedule drift, MAX_RESPONSE_BYTES

Overlay exception info onto stub payload after json.loads

Include exception class in stub headline/exec_summary

Include exception class in stub warning field for debugging

Surface trigger exceptions to stderr for debugging

Switch LLM to gemini-2.5-flash; add JSON extractor fallback; mark stub briefs

Use store.write not store.save; json-serialize tool observations with default=str

Trigger endpoint saves a stub digest on session failure

Deploy REED backend to HF Space