* feat(core): activity events for recovery, metadata corruption, agent-report
Wires activity events into three forensic-critical paths so RCA can
reconstruct what happened after the fact:
1. recovery subsystem
- recovery.session_failed (MUST) per failed session in runRecovery
- recovery.action_failed (SHOULD) on recoverSession outer catch
Adds "recovery" to ActivityEventSource so `ao events list --source
recovery` reconstructs an `ao recover` invocation timeline.
2. metadata corruption
- metadata.corrupt_detected (MUST) when mutateMetadata renames a
corrupt session-metadata file to .corrupt-{ts}. Includes
data.renamedTo and a 200-char data.contentSample (B11) for forensic
recovery. Previously only console.warn — silent overwrites had no
queryable signal.
3. agent-report apply path
- api.agent_report.transition_rejected (SHOULD)
- api.agent_report.session_not_found (COULD)
Per B22, recovery events fire per session, not per probe step. Per B11,
metadata.corrupt_detected truncates contentSample to 200 chars (full
file would exceed the 16KB sanitizer cap).
Closes#1660
* fix(core): align forensic activity event metadata
* fix(core): cover single-session recovery failures
* fix(core): improve corrupt metadata event attribution
* fix(cli): expose activity event source filter
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Co-authored-by: whoisasx <adil.business4064@gmail.com>
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