chore(checkpoint): Phase 4 Codebase-Wide Type Hint Sweep complete. Total fixes: ~400+. Verification status: 230 pass, 16 fail (pre-existing API drift), 29 error (live_gui env).

tests/test_sync_hooks.py

@@ -13,16 +13,17 @@ def test_api_ask_client_method(live_gui) -> None:
  client.get_events()
  results = {"response": None, "error": None}
 
-def make_blocking_request() -> None:
+ def make_blocking_request() -> None:
   try:
-  # This call should block until we respond
+   # This call should block until we respond
    results["response"] = client.request_confirmation(
     tool_name="powershell",
     args={"command": "echo hello"}
    )
   except Exception as e:
    results["error"] = str(e)
-   # Start the request in a background thread
+
+ # Start the request in a background thread
  t = threading.Thread(target=make_blocking_request)
  t.start()
  # Poll for the 'ask_received' event