Einstellungen und Zusatzdateien für den Schnitt ablegen

Intro, Outro, Backing Track und Voice-overs pro Clip laufen über
denselben Upload in Stücken wie die Clips. Die Schnitt-Einstellungen
werden feldweise geprüft; ffprobe akzeptiert jetzt auch reine Tonspuren.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

server/app.js

@@ -75,15 +75,42 @@ export function createApp({ config, secret, store }) {
     res.status(204).end();
   }));
 
-  app.put('/api/projects/:id/clips/:index', route(async (req, res) => {
+  const readOffset = (req) => {
     const offset = Number(req.query.offset);
     if (!Number.isSafeInteger(offset) || offset < 0) throw badRequest('Ungültiger Offset.');
-    res.json(await store.appendChunk(req.params.id, req.params.index, offset, req));
+    return offset;
+  };
+
+  app.patch('/api/projects/:id/settings', route(async (req, res) => {
+    res.json(await store.updateSettings(req.params.id, req.body));
+  }));
+
+  app.put('/api/projects/:id/clips/:index', route(async (req, res) => {
+    const target = { type: 'clip', index: req.params.index };
+    res.json(await store.appendChunk(req.params.id, target, readOffset(req), req));
   }));
 
   app.get('/api/projects/:id/clips/:index/file', route(async (req, res) => {
     const project = await store.get(req.params.id);
-    res.sendFile(store.clipPath(project, req.params.index));
+    res.sendFile(store.readyPath(project, { type: 'clip', index: req.params.index }));
+  }));
+
+  app.post('/api/projects/:id/assets/:slot', route(async (req, res) => {
+    res.status(201).json(await store.createAsset(req.params.id, req.params.slot, req.body));
+  }));
+
+  app.put('/api/projects/:id/assets/:slot', route(async (req, res) => {
+    const target = { type: 'asset', slot: req.params.slot };
+    res.json(await store.appendChunk(req.params.id, target, readOffset(req), req));
+  }));
+
+  app.delete('/api/projects/:id/assets/:slot', route(async (req, res) => {
+    res.json(await store.removeAsset(req.params.id, req.params.slot));
+  }));
+
+  app.get('/api/projects/:id/assets/:slot/file', route(async (req, res) => {
+    const project = await store.get(req.params.id);
+    res.sendFile(store.readyPath(project, { type: 'asset', slot: req.params.slot }));
   }));
 
   app.use('/api', (req, res) => res.status(404).json({ error: 'Nicht gefunden.' }));