Revert "feat: switch to client-side fetch for Fish Audio API to bypass server network restrictions"

This reverts commit dedb37e22b.

CloudServer/server.js

@@ -2464,25 +2464,6 @@ async function generateTtsWavToTemp(text, reference_id, model = DEFAULT_TTS_MODE
     return { tempName, tempPath, url: `/uploads/${tempName}` };
 }
 
-app.post('/api/tts/upload_temp', upload.single('audio'), (req, res) => {
-    try {
-        if (!req.file) return res.status(400).json({ success: false, message: 'No audio file uploaded' });
-        
-        const tempName = `temp_${Date.now()}_${Math.floor(Math.random() * 1000)}.wav`;
-        const tempPath = path.join(uploadDir, tempName);
-        
-        fs.renameSync(req.file.path, tempPath);
-        
-        res.json({
-            success: true,
-            tempName: tempName,
-            url: `/uploads/${tempName}`
-        });
-    } catch (e) {
-        res.status(500).json({ success: false, message: e.message });
-    }
-});
-
 app.post('/api/tts/generate', express.json(), async (req, res) => {
     const text = String(req.body?.text || '').trim();
     const reference_id = String(req.body?.reference_id || '').trim();