Support hour-long uploads and videos: raise body limit, stream uploads to disk, cache up to 3 h, add deferred-ideas note

server/server.js

@@ -1105,7 +1105,7 @@ const media = createMediaCache({
   ffprobe: process.env.FFPROBE_PATH || 'ffprobe',
   maxBytes:       envNum('MEDIA_CACHE_MAX_BYTES', 10 * 1024 ** 3),
   minFreeBytes:   envNum('MEDIA_MIN_FREE_BYTES', 5 * 1024 ** 3),
-  autoMaxSeconds: envNum('MEDIA_AUTO_MAX_SECONDS', 3600),
+  autoMaxSeconds: envNum('MEDIA_AUTO_MAX_SECONDS', 3 * 3600),
   saveMaxSeconds: MAX_SAVE_SECONDS,
   transcode: {
     enabled:    process.env.MEDIA_TRANSCODE !== '0',
@@ -2156,6 +2156,10 @@ async function main() {
     // 0 disables the idle timeout entirely (verified with a 300s request);
     // runaway downloads are bounded by MAX_SAVE_SECONDS + kill-on-disconnect.
     idleTimeout: 0,
+    // Bun's default request-body cap is 128 MB, which silently rejected every
+    // upload / device intake of a long video with a 413. Streaming routes
+    // enforce their own per-route limits (uploads 4 GB, intake P2P_INTAKE_MAX_BYTES).
+    maxRequestBodySize: 5 * 1024 ** 3,
   });
 
   console.log(`[ytplayer] Listening → http://localhost:${PORT}`);