fix: update HandBrake progress regex to handle space before percent sign

- Changed regex from /(\d+(?:\.\d+)?)%/ to /(\d+(?:\.\d+)?)\s*%/
- Fixes progress tracking for HandBrake output format "XX.XX %"
- Added extensive debug logging for troubleshooting progress updates

apps/service/src/handbrake.service.ts

@@ -37,22 +37,42 @@ export class HandbrakeService {
 
         hb.stdout.on('data', (data) => {
           const str = data.toString();
-          // Parse progress from stdout
-          const progressMatch = str.match(
-            /Encoding: task \d+ of \d+, (\d+\.\d+)%/,
+          this.logger.debug(`HandBrake stdout: ${str}`);
+          console.log('[STDOUT]', str);
+          // Parse progress from stdout - try multiple patterns
+          let progressMatch = str.match(
+            /Encoding: task \d+ of \d+, (\d+(?:\.\d+)?)\s*%/,
           );
+          if (!progressMatch) {
+            // Try alternative pattern
+            progressMatch = str.match(/(\d+(?:\.\d+)?)\s*%/);
+          }
           if (progressMatch) {
             const percent = Math.round(parseFloat(progressMatch[1]));
+            console.log(
+              `[MATCH] Found progress: ${percent}%, lastPercent: ${lastPercent}, taskId: ${taskId}`,
+            );
             if (percent !== lastPercent) {
               lastPercent = percent;
               progressStarted = true;
 
+              console.log(`[UPDATE] Progress ${percent}% for task ${taskId}`);
+
               // Update task progress if we have a task ID
               if (taskId) {
+                console.log(
+                  `[DB] Updating task ${taskId} progress to ${percent}%`,
+                );
                 this.db.updateTask(taskId, { progress: percent });
+                console.log(`[DB] Update complete`);
+              } else {
+                console.warn('[WARN] No taskId provided!');
               }
 
               // Emit progress update
+              console.log(
+                `[WS] Emitting progress event for task ${taskId}: ${percent}%`,
+              );
               this.eventsGateway.emitTaskUpdate({
                 type: 'progress',
                 taskId,
@@ -62,6 +82,7 @@ export class HandbrakeService {
                 preset,
                 progress: percent,
               });
+              console.log(`[WS] Emit complete`);
             }
           }
           this.logger.log(str);
@@ -69,19 +90,41 @@ export class HandbrakeService {
 
         hb.stderr.on('data', (data) => {
           const str = data.toString();
-          // Parse progress from stderr as fallback
-          const progressMatch = str.match(
-            /Encoding: task \d+ of \d+, (\d+\.\d+)%/,
+          this.logger.debug(`HandBrake stderr: ${str}`);
+          console.log('[STDERR]', str);
+          // Parse progress from stderr as fallback - try multiple patterns
+          let progressMatch = str.match(
+            /Encoding: task \d+ of \d+, (\d+(?:\.\d+)?)\s*%/,
           );
+          if (!progressMatch) {
+            // Try alternative pattern
+            progressMatch = str.match(/(\d+(?:\.\d+)?)\s*%/);
+          }
           if (progressMatch && !progressStarted) {
             const percent = Math.round(parseFloat(progressMatch[1]));
+            console.log(
+              `[STDERR MATCH] Found progress: ${percent}%, lastPercent: ${lastPercent}, taskId: ${taskId}`,
+            );
             if (percent !== lastPercent) {
               lastPercent = percent;
 
+              console.log(
+                `[STDERR UPDATE] Progress ${percent}% for task ${taskId}`,
+              );
+
               if (taskId) {
+                console.log(
+                  `[STDERR DB] Updating task ${taskId} progress to ${percent}%`,
+                );
                 this.db.updateTask(taskId, { progress: percent });
+                console.log(`[STDERR DB] Update complete`);
+              } else {
+                console.warn('[STDERR WARN] No taskId provided!');
               }
 
+              console.log(
+                `[STDERR WS] Emitting progress event for task ${taskId}: ${percent}%`,
+              );
               this.eventsGateway.emitTaskUpdate({
                 type: 'progress',
                 taskId,
@@ -91,6 +134,7 @@ export class HandbrakeService {
                 preset,
                 progress: percent,
               });
+              console.log(`[STDERR WS] Emit complete`);
             }
           }
           this.logger.error(str);
@@ -157,13 +201,14 @@ export class HandbrakeService {
           // Parse the output to extract presets
           const lines = output.split('\n');
           const presets: string[] = [];
-          let inPresets = false;
+
           for (const line of lines) {
-            if (line.includes('Available presets:')) {
-              inPresets = true;
-              continue;
-            }
-            if (inPresets && line.trim() && !line.startsWith(' ')) {
+            // Preset names start with exactly 4 spaces (not 8 for descriptions)
+            if (
+              line.startsWith('    ') &&
+              !line.startsWith('        ') &&
+              line.trim().length > 0
+            ) {
               presets.push(line.trim());
             }
           }