feat: Update Automation Bridge with AgentChatWidget Integration

- Added includes for AgentChatWidget and TestManager in automation_bridge.cc and automation_bridge.h to facilitate communication between components.
- Introduced forward declaration for AgentChatWidget in automation_bridge.h to improve code organization and clarity.
- Updated test_manager.h to include necessary definitions for improved functionality.

src/app/test/test_manager.h

@@ -16,7 +16,10 @@
 #include "absl/strings/string_view.h"
 #include "absl/time/time.h"
 #include "app/rom.h"
+
+#define IMGUI_DEFINE_MATH_OPERATORS
 #include "imgui.h"
+
 #include "util/log.h"
 
 // Forward declarations