feat: support audio & vidéo — lecteurs HTML5 intégrés #109

frontend/locales/en.json

@@ -1839,6 +1839,8 @@
   "viewer.loaded_from_cache": "File loaded from offline cache",
   "viewer.loading": "Loading file...",
   "viewer.markdown": "Markdown",
+  "viewer.media_too_large": "File too large for inline playback. Download it to watch.",
+  "viewer.media_unsupported": "This format cannot be played in your browser.",
   "viewer.metadata_created": "Created",
   "viewer.metadata_modified": "Modified",
   "viewer.metadata_path": "Path",
@@ -2127,7 +2129,7 @@
     "guide105.lib_h3_conflicts": "Sync conflicts",
     "guide105.lib_conflicts": "If you sync the vault with Syncthing, ObsiGate detects conflict files (\"sync-conflict\" copies) and offers to compare then resolve them from a dedicated page in the Options menu.",
     "guide105.lib_h3_attach": "Attachments & media",
-    "guide105.lib_attach": "Inline <code>![[image.png]]</code> images, attachments and media (audio, video, embedded PDFs) are rendered in the viewer and indexed for search. Images also appear in the file tree and open in a dedicated viewer (wheel zoom, pan, navigation between images in the folder, thumbnails, metadata, lightbox); the \"Rescan attachments\" button in Configuration rebuilds the attachment index.",
+    "guide105.lib_attach": "Inline <code>![[image.png]]</code> images, attachments and media (audio, video, embedded PDFs) are rendered in the viewer and indexed for search. Images also appear in the file tree and open in a dedicated viewer (wheel zoom, pan, navigation between images in the folder, thumbnails, metadata, lightbox); audio (.mp3, .wav, .flac…) and video (.mp4, .webm…) files open in a built-in HTML5 player (play, seek, speed, fullscreen), falling back to download when the format is not playable in the browser. The \"Rescan attachments\" button in Configuration rebuilds the attachment index.",
     "guide105.off_pwa": "ObsiGate is a PWA: install it (install icon in the address bar) to open it like an app. The service worker caches the UI and your recently viewed documents.",
     "guide105.off_edit": "Offline you can read cached documents and even edit them: changes are queued in IndexedDB.",
     "guide105.off_sync": "When back online the queue replays automatically (sync badge in the header). If the server version diverged meanwhile, the file is flagged as conflict and the server copy is kept as a backup.",