fixes

src/server.ts

@@ -1,4 +1,4 @@
-import express, { Request, Response, NextFunction } from 'express';
+import express, { Request, Response } from 'express';
 import path from 'path';
 import fs from 'fs';
 import ffmpeg from 'fluent-ffmpeg';
@@ -197,7 +197,7 @@ app.get('/health', (req: Request, res: Response) => {
 });
 
 // Error handler
-app.use((err: Error, req: Request, res: Response, _next: NextFunction) => {
+app.use((err: Error, req: Request, res: Response) => {
     console.error(err.stack);
     res.status(500).json({ error: 'Something went wrong!' });
 });

src/soundcloud.ts

@@ -180,7 +180,7 @@ export class SoundCloudService {
                 console.log('Audio stream obtained with track ID method');
                 return stream;
                 
-            } catch (_fallbackError: any) {
+            } catch {
                 console.error('Track ID method failed, trying URL construction...');
                 
                 // Final fallback - try constructing different URL formats