update HLS playlist size to 6 segments and add test script to package.json

Author: CodeByAmrit

package.json

@@ -5,6 +5,7 @@
   "scripts": {
     "start": "node app",
     "dev": "nodemon app",
+    "test:hls": "k6 run test/test-hls.js",
     "build:css": "npx tailwindcss -i ./src/input.css -o ./public/css/style.css --watch",
     "vercel-build": "npm install",
     "start:pm2": "pm2 start ./bin/www --name studenttracker --env production",

utils/streamWorker.js

@@ -18,7 +18,7 @@ const ffmpeg = spawn('ffmpeg', [
     // HLS-specific options
     '-f', 'hls',
     '-hls_time', '2',                             // Short segments (2s)
-    '-hls_list_size', '3',                        // Only 3 segments in the playlist
+    '-hls_list_size', '6',                        // Only 6 segments in the playlist
     '-hls_flags', 'delete_segments+omit_endlist+discont_start', // Low-latency flags
     '-hls_segment_type', 'mpegts',
     '-hls_segment_filename', `${workerData.outputPath}/segment_%03d.ts`,