🔧 Fix stale no_exit pid blocking restart loop 🔧

- Re-enter the monitor loop when /run/.no_exit.pid is left from a prior container life
- Only short-circuit when the recorded PID is still alive via kill -0
- Remove leftover pid file so the supervisor exec path runs on restart

.claude/scheduled_tasks.lock
rootfs/usr/local/etc/docker/functions/entrypoint.sh

.claude/scheduled_tasks.lock

@@ -0,0 +1 @@
+{"sessionId":"e3874c4a-b4c6-45a3-a533-a31e6bb59f0e","pid":3227263,"procStart":"144242774","acquiredAt":1778024153040}