chore: serve bundled assets from app directory

app/blueprints/main.py

@@ -27,9 +27,9 @@ def _resolve_asset_filename(filename):
     """Resolve hashed Vite assets without maintaining hardcoded alias tables."""
     safe_name = os.path.basename(filename)
     asset_dirs = [
+        ASSETS_DIR,
         os.path.abspath(os.path.join(BASE_DIR, 'new_web_source', 'assets')),
         os.path.abspath(os.path.join(BASE_DIR, '..', 'new_web_source', 'assets')),
-        ASSETS_DIR,
     ]
     for asset_dir in asset_dirs:
         exact_path = os.path.join(asset_dir, safe_name)
@@ -153,9 +153,9 @@ def serve_assets(filename):
     """提供 static 目录及子目录下的静态文件访问。"""
     filename = _resolve_asset_filename(filename)
     candidate_dirs = [
+        os.path.abspath(ASSETS_DIR),
         os.path.abspath(os.path.join(BASE_DIR, 'new_web_source', 'assets')),
         os.path.abspath(os.path.join(BASE_DIR, '..', 'new_web_source', 'assets')),
-        os.path.abspath(ASSETS_DIR),
     ]
     for static_abs in candidate_dirs:
         filepath = os.path.normpath(os.path.join(static_abs, filename))