Refactor video viewer to remove web-specific handling and improve error messaging

b0esche_cloud/lib/pages/video_viewer.dart

@@ -1,7 +1,5 @@
 // ignore: unused_import
 import 'dart:io' show Platform;
-import 'package:flutter/foundation.dart' show kIsWeb;
-import 'video_viewer_web.dart';
 import 'package:flutter/material.dart';
 import 'package:video_player/video_player.dart';
 import '../theme/app_theme.dart';
@@ -46,13 +44,6 @@ class _VideoViewerState extends State<VideoViewer> {
 
   @override
   Widget build(BuildContext context) {
-    if (kIsWeb) {
-      // Use web-specific video viewer
-      return VideoViewerWeb(
-        videoUrl: widget.videoUrl,
-        fileName: widget.fileName,
-      );
-    }
     return Dialog(
       backgroundColor: Colors.transparent,
       child: ConstrainedBox(
@@ -85,8 +76,8 @@ class _VideoViewerState extends State<VideoViewer> {
               const SizedBox(height: 16),
               if (_isError)
                 const Text(
-                  'Failed to load video',
-                  style: TextStyle(color: Colors.red),
+                  'File type not supported or video could not be loaded',
+                  style: TextStyle(color: AppTheme.primaryText),
                 )
               else if (!_isInitialized)
                 const Center(

b0esche_cloud/lib/services/file_service.dart

@@ -121,11 +121,11 @@ class FileService {
     required String fileId,
     String? fileName,
   }) async {
-    // If you have a direct fileId-based endpoint, use it. Otherwise, fallback to path-based if needed.
-    if (orgId.isEmpty) {
-      return '/user/files/download?id=${Uri.encodeComponent(fileId)}';
-    }
-    return '/orgs/$orgId/files/download?id=${Uri.encodeComponent(fileId)}';
+    // Return the full download URL
+    final path = orgId.isEmpty
+        ? '/user/files/download?id=${Uri.encodeComponent(fileId)}'
+        : '/orgs/$orgId/files/download?id=${Uri.encodeComponent(fileId)}';
+    return '$baseUrl$path';
   }
 
   Future<void> createFolder(