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Session Cleanup (Hypercho)

Clean up OpenClaw session storage across all agents. Removes tombstone files (.reset, .deleted, .bak), old cron session .jsonl files, orphan files, and stale...

personAuthor: duolahyperchohubclawhub
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Session Cleanup

Automated cleanup of OpenClaw session storage across all registered agents.

What It Cleans

  1. Tombstone files — .reset.*, .deleted.*, .bak-* (always safe to remove)
  2. Old cron sessions — .jsonl files + sessions.json entries older than 7 days for cron-type sessions
  3. Orphan files — .jsonl files on disk not referenced by sessions.json
  4. Stale entries — sessions.json entries pointing to missing .jsonl files (cron sessions only)

Safety Guarantees

  • Never touches .lock files or their corresponding active .jsonl
  • Never deletes sessions.json itself
  • Backs up sessions.json before modifying
  • Never removes non-cron sessions under 30 days old
  • Never removes main session entries

Usage

Run cleanup for all agents

python3 <skill_dir>/scripts/session_cleanup.py

Dry run (preview only)

python3 <skill_dir>/scripts/session_cleanup.py --dry-run

Single agent only

python3 <skill_dir>/scripts/session_cleanup.py --agent main

Agent Discovery

The script automatically discovers all agents by scanning ~/.openclaw/agents/*/sessions/. No hardcoded agent list needed — new agents are picked up automatically.

Cron Integration

Set up as a daily midnight cron job for automatic maintenance:

Schedule: 0 0 * * * (midnight local time)
Model: minimax/MiniMax-M2.7-highspeed
Thinking: low
Timeout: 600s

Cron task message:

Single task only: run session cleanup for all agents.

Command:
bash -lc 'python3 <skill_dir>/scripts/session_cleanup.py'

Return ONLY the command stdout (no extra commentary).

Output Format

The script prints a summary per agent showing what was cleaned, then a grand total:

Agents discovered: 22

  ada: 165 tombstones (21.1 MB), 7 old crons (372 KB)
  vera: 924 tombstones (31.6 MB), 4 old crons (252 KB)

✅ Session cleanup complete across 22 agents
   Freed: 171.6 MB
   Cleaned: ada, vera
   Already clean: main, clio, argus

If nothing needs cleaning, it reports "Already clean. Nothing to do."

Retention Policy

| Session Type | Retention | Action | |-------------|-----------|--------| | Tombstones (.reset/.deleted/.bak) | 0 days | Always delete | | Cron session files | 7 days | Delete after 7 days | | Non-cron sessions | 30 days | Keep (no auto-delete) | | Main sessions | Forever | Never touched | | Active sessions (.lock) | Forever | Never touched |