fix(work): import hashlib and wire heal subparser into main CLI

bin/box-work.py

@@ -22,6 +22,7 @@ import argparse
 import urllib.request
 import urllib.parse
 import urllib.error
+import hashlib
 from datetime import datetime, timezone
 from pathlib import Path
 
@@ -809,6 +810,9 @@ def main():
     p_merge = sub.add_parser("merge", help="Merge an open PR into master")
     p_merge.add_argument("pr", type=int, help="Pull request number (e.g. 214)")
 
+    p_heal = sub.add_parser("heal", help="Run automated remediation on an agent")
+    p_heal.add_argument("agent", help="Agent username to heal")
+
     p_chats = sub.add_parser("chats", help="View recent live chat activity")
     p_chats.add_argument("--agent", help="Filter by agent name")
     p_chats.add_argument("--limit", type=int, default=10, help="Number of messages to show")
@@ -820,6 +824,8 @@ def main():
         cmd_status(args)
     elif action == "check":
         cmd_check(args)
+    elif action == "heal":
+        cmd_heal(args)
     elif action == "start":
         cmd_start(args)
     elif action == "assign":