fix: revert to server proxy logic and add resilient fallback for win32 to prevent 500 errors

CloudServer/server.js

@@ -2473,9 +2473,7 @@ app.post('/api/tts/generate', express.json(), async (req, res) => {
     
     try {
         let proxyUrl = process.env.HTTP_PROXY || process.env.http_proxy || process.env.HTTPS_PROXY || process.env.https_proxy || process.env.ALL_PROXY || process.env.all_proxy;
-        if (!proxyUrl && os.platform() === 'win32') {
+        
-            proxyUrl = 'http://127.0.0.1:7890';
-        }
         console.log(`[TTS] Sending request for text: "${text}" with model "${model}"${proxyUrl ? ` via proxy: ${proxyUrl}` : ''}`);
 
         const requestBody = JSON.stringify({
@@ -2495,9 +2493,25 @@ app.post('/api/tts/generate', express.json(), async (req, res) => {
             body: requestBody
         };
         
-        const response = proxyUrl
+        // Always try to use local proxy first if we are on a Windows machine
+        if (!proxyUrl && os.platform() === 'win32') {
+             proxyUrl = 'http://127.0.0.1:7890';
+        }
+        
+        let response;
+        try {
+            response = proxyUrl
                 ? await requestViaProxy('https://fishaudio.fse-media.group/v1/tts', options, proxyUrl)
                 : await requestDirect('https://fishaudio.fse-media.group/v1/tts', options);
+        } catch (e) {
+            // Fallback for Windows if local proxy fails
+            if (os.platform() === 'win32' && proxyUrl === 'http://127.0.0.1:7890') {
+                 console.log(`[TTS] Local proxy failed, attempting direct connection...`);
+                 response = await requestDirect('https://fishaudio.fse-media.group/v1/tts', options);
+            } else {
+                 throw e;
+            }
+        }
         
         if (!response.ok) {
             const msg = (response.text && String(response.text).trim().length > 0)