重构UCD模块

app/runner/test_runner.py

@@ -330,9 +330,7 @@ def send_fix_pattern(self: "PQAutomationApp", mode):
         if mode == "screen_module":
             format_changed = True
         else:
-            format_changed = bool(
-                getattr(getattr(self, "ucd", None), "format_changed", True)
-            )
+            format_changed = bool(self.signal_service.format_changed)
 
         # 预热提交：prepare_session 仅 stage 了新的 color/timing/pattern，
         # 真正的 ``pg.apply()`` 要到第一次发图时才发生。提前发送首个 pattern，