refactor: consolidate fragmented media player UI components into a centralized common module

Author: SilvioGiancola

annotation_tool/main_window.py

@@ -24,7 +24,7 @@
 # [NEW] Direct UI Imports
 from ui.common.welcome_widget import WelcomeWidget
 from ui.common.clip_explorer import CommonProjectTreePanel
-from ui.localization.media_player import LocCenterPanel
+from ui.common.media_player import MediaCenterPanel
 from ui.classification.event_editor import ClassificationAnnotationPanel
 from ui.localization.event_editor import LocalizationAnnotationPanel
 from ui.description.event_editor import DescriptionAnnotationPanel
@@ -59,7 +59,7 @@ def __init__(self) -> None:
         self.welcome_widget = WelcomeWidget()
         self.center_stack.addWidget(self.welcome_widget)
 
-        self.center_panel = LocCenterPanel()
+        self.center_panel = MediaCenterPanel()
         self.center_stack.addWidget(self.center_panel)
 
         self.setCentralWidget(self.center_stack)

annotation_tool/ui/classification/media_player/README.md

@@ -5,9 +5,9 @@
 from .timeline import TimelineWidget
 from .controls import PlaybackControlBar
 
-class LocCenterPanel(QWidget):
+class MediaCenterPanel(QWidget):
     """
-    Center Panel for Localization Mode.
+    Common Center Panel for all Annotation Modes.
     Contains: MediaPreview, Timeline, Playback Controls.
     """
     def __init__(self, parent=None):