markov-kernel 6fe25c757c fix(refinery): Send MERGE_FAILED to Witness when merge is rejected ...

When the Refinery detects a build error or test failure and refuses
to merge, the polecat was never notified. This fixes the notification
pipeline by:

1. Adding MERGE_FAILED protocol support to Witness:
   - PatternMergeFailed regex pattern
   - ProtoMergeFailed protocol type constant
   - MergeFailedPayload struct with all failure details
   - ParseMergeFailed parser function
   - ClassifyMessage case for MERGE_FAILED

2. Adding HandleMergeFailed handler to Witness:
   - Parses the failure notification
   - Sends HIGH priority mail to polecat with fix instructions
   - Includes branch, issue, failure type, and error details

3. Adding mail notification in Refinery's handleFailureFromQueue:
   - Creates mail.Router for sending protocol messages
   - Sends MERGE_FAILED to Witness when merge fails
   - Includes failure type (build/tests/conflict) and error

4. Adding comprehensive unit tests:
   - TestParseMergeFailed for full body parsing
   - TestParseMergeFailed_MinimalBody for minimal body
   - TestParseMergeFailed_InvalidSubject for error handling
   - ClassifyMessage test cases for MERGE_FAILED

Fixes #114

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

2026-01-06 13:02:46 -08:00

8.2 KiB

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