0.15.0-1 merger

backend/src/utils/progressParsers.js

@@ -93,8 +93,34 @@ function parseCdParanoiaProgress(line) {
   return null;
 }
 
+function parseMkvmergeProgress(line) {
+  const normalized = String(line || '').replace(/\s+/g, ' ').trim();
+  if (!normalized) {
+    return null;
+  }
+
+  // Common mkvmerge output examples:
+  // "Progress: 42%"
+  // "#GUI#progress 42%"
+  const explicitMatch = normalized.match(/(?:^|\s)(?:progress:?|#GUI#progress)\s*(\d{1,3}(?:\.\d+)?)\s*%/i);
+  if (explicitMatch) {
+    return {
+      percent: clampPercent(Number(explicitMatch[1])),
+      eta: null
+    };
+  }
+
+  const percent = parseGenericPercent(normalized);
+  if (percent !== null) {
+    return { percent, eta: null };
+  }
+
+  return null;
+}
+
 module.exports = {
   parseMakeMkvProgress,
   parseHandBrakeProgress,
-  parseCdParanoiaProgress
+  parseCdParanoiaProgress,
+  parseMkvmergeProgress
 };