Fix TypeScript ref typings and lint errors

src/utils/hlsLoader.ts

@@ -46,12 +46,12 @@ export const loadHls = async (): Promise<any> => {
     // Try loading from npm package first
     const hlsModule = await import('hls.js')
     return hlsModule.default
-  } catch (npmError) {
+  } catch {
     try {
       // Fallback to CDN
       const Hls = await loadHlsFromCDN()
       return Hls
-    } catch (cdnError) {
+    } catch {
       throw new Error('Unable to load HLS.js library. HLS streaming is not available.')
     }
   }
@@ -99,7 +99,7 @@ export const getHlsAudioTracks = (hls: any): AudioTrack[] => {
     })
 
     return audioTracks
-  } catch (error) {
+  } catch {
     return []
   }
 }