fixed a bug & replicated all changes to docker version

desktop/src/api/local/local.controller.ts

@@ -182,14 +182,25 @@ export async function streamUnit(request: FastifyRequest, reply: FastifyReply) {
     const range = request.headers.range;
 
     if (!range) {
-        reply.header('Content-Length', stat.size);
-        reply.header('Content-Type', 'video/mp4'); // o dinámico
+        reply
+            .header('Content-Length', stat.size)
+            .header('Content-Type', 'video/mp4');
         return fs.createReadStream(file.file_path);
     }
 
-    const [startStr, endStr] = range.replace(/bytes=/, '').split('-');
-    const start = parseInt(startStr, 10);
-    const end = endStr ? parseInt(endStr, 10) : stat.size - 1;
+    const parts = range.replace(/bytes=/, '').split('-');
+    const start = Number(parts[0]);
+    let end = parts[1] ? Number(parts[1]) : stat.size - 1;
+
+    if (
+        Number.isNaN(start) ||
+        Number.isNaN(end) ||
+        start < 0 ||
+        end < start ||
+        end >= stat.size
+    ) {
+        end = stat.size - 1;
+    }
 
     reply
         .status(206)
@@ -199,6 +210,7 @@ export async function streamUnit(request: FastifyRequest, reply: FastifyReply) {
         .header('Content-Type', 'video/mp4');
 
     return fs.createReadStream(file.file_path, { start, end });
+
 }
 
 type MatchBody = {
@@ -225,8 +237,8 @@ export async function matchEntry(
 
     await run(
         `UPDATE local_entries
-     SET matched_source = ?, matched_id = ?
-     WHERE id = ?`,
+         SET matched_source = ?, matched_id = ?
+         WHERE id = ?`,
         [source, matched_id, id],
         'local_library'
     );

desktop/src/scripts/anime/player.js

@@ -239,8 +239,9 @@ async function loadExtensions() {
         const select = document.getElementById('extension-select');
         let extensions = data.extensions || [];
 
-        // Añadimos local manualmente
-        if (!extensions.includes('local')) extensions.push('local');
+        if (extName === 'local' && !extensions.includes('local')) {
+            extensions.push('local');
+        }
 
         select.innerHTML = '';
         extensions.forEach(ext => {
@@ -251,8 +252,8 @@ async function loadExtensions() {
 
         if (extName && extensions.includes(extName)) {
             select.value = extName;
-        } else {
-            select.value = 'local'; // Default a local
+        } else if (extensions.length > 0) {
+            select.value = extensions[0];
         }
 
         currentExtension = select.value;