feat: add upload options for pre-merge, merged, and standalone chat videos

- Updated global schema to include options for uploading original videos before merging, merged videos, and standalone chat videos.
- Modified constants to set default values for new upload options.
- Enhanced FileManager to handle new upload options, including conditional file uploads and deletions based on user configuration.
- Introduced unit tests for command-line argument parsing, configuration loading, and merging logic, ensuring robust handling of new features.
- Added tests for filtering logic, default configurations, and enabled streamer handling.

config/global.schema.json

@@ -74,6 +74,21 @@
       "default": true,
       "description": "Upload to rclone remote: false = disabled, true = enabled"
     },
+    "uploadPreMergeVideo": {
+      "type": "boolean",
+      "default": true,
+      "description": "Upload original videos before merging with chat (LIVE and VOD files): false = skip, true = upload"
+    },
+    "uploadMergedVideo": {
+      "type": "boolean",
+      "default": true,
+      "description": "Upload merged videos (video + chat combined): false = skip, true = upload"
+    },
+    "uploadChatVideo": {
+      "type": "boolean",
+      "default": true,
+      "description": "Upload standalone chat video files: false = skip, true = upload"
+    },
     "deleteFiles": {
       "type": "boolean",
       "default": false,