feat(api): Add /api/gui/state endpoint and live_gui integration tests

src/api_hooks.py

@@ -165,6 +165,27 @@ class HookHandler(BaseHTTPRequestHandler):
    else:
     self.send_response(504)
     self.end_headers()
+  elif self.path == '/api/gui/state':
+   event = threading.Event()
+   result = {}
+   def get_state():
+    try:
+     gettable = _get_app_attr(app, "_gettable_fields", {})
+     for key, attr in gettable.items():
+      result[key] = _get_app_attr(app, attr, None)
+    finally: event.set()
+   lock = _get_app_attr(app, "_pending_gui_tasks_lock")
+   tasks = _get_app_attr(app, "_pending_gui_tasks")
+   if lock and tasks is not None:
+    with lock: tasks.append({"action": "custom_callback", "callback": get_state})
+   if event.wait(timeout=10):
+    self.send_response(200)
+    self.send_header("Content-Type", "application/json")
+    self.end_headers()
+    self.wfile.write(json.dumps(result).encode("utf-8"))
+   else:
+    self.send_response(504)
+    self.end_headers()
   else:
    self.send_response(404)
    self.end_headers()