diff --git a/.claude/launch.json b/.claude/launch.json
new file mode 100644
index 0000000..fe5cdff
--- /dev/null
+++ b/.claude/launch.json
@@ -0,0 +1,24 @@
+{
+  "version": "0.0.1",
+  "configurations": [
+    {
+      "name": "Frontend (Vite)",
+      "runtimeExecutable": "npm",
+      "runtimeArgs": ["run", "dev"],
+      "cwd": "frontend",
+      "port": 5173
+    },
+    {
+      "name": "Docker Stack (Full)",
+      "runtimeExecutable": "docker-compose",
+      "runtimeArgs": ["up"],
+      "port": 80
+    },
+    {
+      "name": "Docker Stack (Backend + DB + Redis)",
+      "runtimeExecutable": "docker-compose",
+      "runtimeArgs": ["up", "backend", "db", "redis"],
+      "port": 8000
+    }
+  ]
+}
diff --git a/backend/thirdparty/downloader/consumers.py b/backend/thirdparty/downloader/consumers.py
index aefd91b..68f9dbb 100644
--- a/backend/thirdparty/downloader/consumers.py
+++ b/backend/thirdparty/downloader/consumers.py
@@ -186,7 +186,7 @@ class DownloaderConsumer(AsyncWebsocketConsumer):
                 "preferredcodec": ext if ext in ("mp3", "m4a", "opus", "vorbis", "wav") else "mp3",
             })
         else:
-            ydl_opts["postprocessors"].append({"key": "FFmpegVideoRemuxer", "preferedformat": ext})
+            ydl_opts["postprocessors"].append({"key": "FFmpegVideoRemuxer", "preferredformat": ext})
 
         # Probe to detect playlist
         probe_opts = {**YDL_BASE, "extract_flat": False}