feat: upload progress bar — fieldset layout, accent colors, file name display, completion animation, 800ms redirect delay; decorelate formats from fichiers; server-side poll via token; bump PeerTube embed audio player

app/src/PeerTubeService.php

@@ -436,4 +436,30 @@ class PeerTubeService
 
         return ['status' => $status, 'body' => (string)$responseBody, 'headers' => $responseHeaders];
     }
+
+    // -------------------------------------------------------------------------
+    // Progress reporting (for upload-progress.js polling)
+    // -------------------------------------------------------------------------
+
+    /**
+     * Write upload progress to a temp file polled by the progress endpoint.
+     */
+    public static function writeProgress(string $token, string $stage, int $pct, string $file = ''): void
+    {
+        $progressFile = sys_get_temp_dir() . '/xamxam_upload_' . $token . '.json';
+        file_put_contents($progressFile, json_encode([
+            'stage' => $stage,
+            'pct'   => $pct,
+            'file'  => $file,
+        ]), LOCK_EX);
+    }
+
+    /**
+     * Remove the progress file for a given token.
+     */
+    public static function clearProgress(string $token): void
+    {
+        $progressFile = sys_get_temp_dir() . '/xamxam_upload_' . $token . '.json';
+        @unlink($progressFile);
+    }
 }