Merge remote-tracking branch 'origin/feature/incremental-sync-protocol' into release/lts-2.0.0

# Conflicts:
#	action.yml
#	dist/index.js
#	dist/index.js.map
#	src/index.ts
#	src/model/build-parameters.ts

action.yml

@@ -704,6 +704,24 @@ inputs:
     description: '[HotRunner] Fall back to cold build if no hot runner available'
     required: false
     default: 'true'
+  syncStrategy:
+    description: 'Workspace sync strategy: full, git-delta, direct-input, storage-pull'
+    required: false
+    default: 'full'
+  syncInputRef:
+    description: 'URI for direct-input or storage-pull content (storage://remote/path or file path)'
+    required: false
+  syncStorageRemote:
+    description: 'rclone remote name for storage-backed inputs (defaults to rcloneRemote)'
+    required: false
+  syncRevertAfter:
+    description: 'Revert overlaid changes after job completion'
+    required: false
+    default: 'true'
+  syncStatePath:
+    description: 'Path to sync state file for delta tracking'
+    required: false
+    default: '.game-ci/sync-state.json'
 
 outputs:
   volume: