Reload services on debounced file edits and replacement saves

tests/test_cli_regressions.py

@@ -0,0 +1,27 @@
+from threading import Event
+
+from watchdog.events import FileClosedEvent, FileModifiedEvent, FileMovedEvent
+
+from great_ai.deploy.reload_event_handler import ReloadEventHandler
+
+
+def test_reload_debounces_edit_and_replacement_events() -> None:
+    completed = Event()
+    calls = []
+
+    def restart() -> None:
+        calls.append("restart")
+        completed.set()
+
+    handler = ReloadEventHandler(restart, debounce_seconds=0.02)
+    try:
+        handler.dispatch(FileModifiedEvent("service.py"))
+        handler.dispatch(FileClosedEvent("service.py"))
+        handler.dispatch(FileMovedEvent("temporary", "service.py"))
+        assert completed.wait(timeout=2)
+        assert calls == ["restart"]
+        handler.dispatch(FileModifiedEvent("__service__.py"))
+    finally:
+        handler.close()
+    handler.dispatch(FileModifiedEvent("service.py"))
+    assert calls == ["restart"]