Good - the observe command ran and processed sessions.

Summary of heartbeat tasks:
1. **Email Check**: No grant emails in queue - nothing to do
2. **Memory Compression**:
   - Benchmark: 5.8% savings (below 10% threshold)
   - Session transcripts: 2295 files (above 100 threshold) ✓
   - Ran `compress`: Saved 28 tokens on memory files
   - Ran `observe`: Processed 4 new sessions, 723 total tracked
3. **Cleanup Threshold**: No observations older than 90 days - nothing to archive

All tasks complete. I should provide a summary.

Heartbeat check complete for Grant agent.

**Tasks executed:**

1. **Email Queue**: No `_grant.json` files pending in `/opt/agentmail/queue/`

2. **Memory Compression**:
   - Benchmark: 5.8% savings (below 10% threshold)
   - Session transcripts: 2,295 files (exceeds 100 threshold) → triggered compression
   - Ran `compress`: 28 tokens saved on memory files
   - Ran `observe`: Processed 4 new sessions, 723 total tracked

3. **Old Observations Cleanup**: No files older than 90 days found in observations folder

All maintenance tasks completed. Nothing requiring action.