fix: resolve TypeScript errors in nostrUriResolver.tsx

- Add explicit type annotations for decoded variable and npub parameter
- Use switch statement for better type narrowing when checking npub type

src/utils/nostrUriResolver.tsx

@@ -378,14 +378,12 @@ export function addLoadingClassToProfileLinks(
   }
   
   // Find all <a> tags with href starting with /p/ (profile links)
-  const result = html.replace(/<a\s+[^>]*?href="\/p\/([^"]+)"[^>]*?>/g, (match, npub) => {
+  const result = html.replace(/<a\s+[^>]*?href="\/p\/([^"]+)"[^>]*?>/g, (match, npub: string) => {
     try {
       // Decode npub to get pubkey
-      const decoded = decode(npub)
-      if (decoded.type !== 'npub') {
-        return match
-      }
-      
+      const decoded: ReturnType<typeof decode> = decode(npub)
+      switch (decoded.type) {
+        case 'npub': {
           const pubkey = decoded.data
           
           // Check if this profile is loading
@@ -405,6 +403,12 @@ export function addLoadingClassToProfileLinks(
               }
             }
           }
+          break
+        }
+        default:
+          // Not an npub, ignore
+          break
+      }
     } catch (error) {
       // Ignore processing errors
     }