feat: Enhance user authentication in LNBits API

- Update getCurrentUser method to fetch Nostr keys alongside basic user info, improving user data retrieval.
- Implement error handling to ensure basic user info is returned if Nostr key fetching fails, enhancing robustness of the authentication process.

src/lib/api/lnbits.ts

@@ -137,7 +137,24 @@ class LnbitsAPI {
   }
 
   async getCurrentUser(): Promise<User> {
-    return this.request<User>('/auth')
+    // First get basic user info from /auth
+    const basicUser = await this.request<User>('/auth')
+    
+    // Then get Nostr keys from /auth/nostr/me (this was working in main branch)
+    try {
+      const nostrUser = await this.request<User>('/auth/nostr/me')
+      
+      // Merge the data - basic user info + Nostr keys
+      return {
+        ...basicUser,
+        pubkey: nostrUser.pubkey,
+        prvkey: nostrUser.prvkey
+      }
+    } catch (error) {
+      console.warn('Failed to fetch Nostr keys, returning basic user info:', error)
+      // Return basic user info without Nostr keys if the endpoint fails
+      return basicUser
+    }
   }
 
   async updatePassword(currentPassword: string, newPassword: string): Promise<User> {