feat: restart (#531)

* feat: restart

* review fixes

* add IRONCLAW_IN_DOCKER env variable

* review fixes

* fix tests

* set default value as false

deploy/env.example

@@ -24,6 +24,15 @@ GATEWAY_HOST=0.0.0.0
 GATEWAY_PORT=3000
 GATEWAY_AUTH_TOKEN=CHANGE_ME
 
+# Restart Feature (Docker containers only)
+# IMPORTANT: Set this in the container entrypoint or docker-compose to enable restart.
+# The Docker entrypoint loop monitors exit codes:
+#   - Exit code 0 = clean restart: reset failure counter, wait IRONCLAW_RESTART_DELAY, restart
+#   - Exit code ≠ 0 = failure: increment counter, exit after IRONCLAW_MAX_FAILURES
+IRONCLAW_IN_DOCKER=false
+IRONCLAW_RESTART_DELAY=5          # seconds to wait before restarting (range: 1-30)
+IRONCLAW_MAX_FAILURES=10          # max consecutive failures before container exits
+
 # Disabled for initial deploy
 SANDBOX_ENABLED=false
 HEARTBEAT_ENABLED=false