- KeywordWatch and KeywordMatch interfaces in transcriptionStore
- loadKeywordWatches, addKeywordWatch, deleteKeywordWatch actions via API with JWT auth
- checkSegmentForKeywords: client-side detection on each final segment, logs events to backend
- clearKeywordMatches: resets session-scoped match list
- Keywords tab in CCTranscriptionPanel: add/delete watches, match log with timestamp
- Match count badge on Keywords tab when hits exist during recording
- Also fixes missing Close import that was present in summary modal