Add general app feedback reporting

scripts/ui/main.gd

@@ -10,6 +10,8 @@ var app_menu: PanelContainer
 var menu_exit_button: Button
 var sound_toggle: CheckButton
 var theme_button: Button
+var feedback_button: Button
+var feedback_dialog: Control
 var theme_service
 var current_screen_name := ""
 
@@ -96,6 +98,14 @@ func _build_ui() -> void:
 	user_label.gui_input.connect(_on_user_label_gui_input)
 	header.add_child(user_label)
 
+	feedback_button = Button.new()
+	feedback_button.text = "Feedback"
+	feedback_button.tooltip_text = "Send general feedback or report a bug"
+	feedback_button.custom_minimum_size = Vector2(100, 44)
+	Style.style_chip(feedback_button, Style.CYAN)
+	feedback_button.pressed.connect(open_feedback_dialog)
+	header.add_child(feedback_button)
+
 	theme_button = Button.new()
 	theme_button.custom_minimum_size = Vector2(44, 44)
 	theme_button.add_theme_font_size_override("font_size", 22)
@@ -194,6 +204,10 @@ func _build_ui() -> void:
 	screens_container.add_child(profile)
 	screens["profile"] = profile
 
+	feedback_dialog = preload("res://scripts/ui/app_feedback_dialog.gd").new()
+	feedback_dialog.name = "AppFeedbackDialog"
+	add_child(feedback_dialog)
+
 	ProfileService.profile_changed.connect(_refresh_header_stats)
 	QuestionBankService.ratings_changed.connect(_refresh_header_stats)
 	AuthState.auth_changed.connect(_refresh_header_stats)
@@ -219,6 +233,14 @@ func _refresh_header_stats() -> void:
 	]
 	if user_label != null:
 		user_label.text = AuthState.username if AuthState.is_logged_in else ""
+	if feedback_button != null:
+		feedback_button.visible = AuthState.is_logged_in
+
+
+func open_feedback_dialog() -> void:
+	if not AuthState.is_logged_in or feedback_dialog == null:
+		return
+	feedback_dialog.show_dialog(FeedbackService.build_context(current_screen_name, get_viewport_rect().size))
 
 
 func _on_theme_changed(is_dark_mode: bool) -> void: