fix(openclaw): harden probes, runtime self-healing preflight and session recovery

k8s/openclaw/setup-compaction-cron.sh

@@ -192,11 +192,29 @@ def checkpoint_wal_journals():
                 print(f"  ✗ Error checkpointing {db}: {e}")
     print(f"WAL Checkpoint complete: {wal_freed / (1024*1024):.2f} MB merged to disk.")
 
+def vacuum_and_optimize():
+    print("=== Running SQLite VACUUM and OPTIMIZE across all databases ===")
+    dbs = ["/home/node/.openclaw/state/openclaw.sqlite"] + glob.glob("/home/node/.openclaw/agents/*/agent/openclaw-agent.sqlite")
+    for db in dbs:
+        try:
+            con = sqlite3.connect(db, timeout=60.0)
+            con.execute("PRAGMA optimize;")
+            con.execute("VACUUM;")
+            con.close()
+        except Exception as e:
+            print(f"  ✗ Error vacuuming {db}: {e}")
+    print("SQLite VACUUM and optimization complete.")
+
 def main():
     prewarm_page_cache()
+    try:
+        subprocess.run(["python3", "/home/node/.openclaw/scripts/recover_sessions.py"], check=False)
+    except Exception:
+        pass
     prune_stale_cron_sessions()
     compact_active_sessions()
     checkpoint_wal_journals()
+    vacuum_and_optimize()
 
 if __name__ == "__main__":
     main()