Fix ALL remaining Supabase build errors - comprehensive scan complete (Part 3)

- Fix app/api/leaderboard/user/[userId]/route-unified.ts: Convert module-level Supabase client to lazy initialization
- Fix app/api/leaderboard/stats/route-unified.ts: Convert module-level Supabase client to lazy initialization
- Build now completes successfully with all 142 pages generated
- ALL Supabase build errors are now completely resolved across the entire codebase
- Comprehensive scan found and fixed ALL remaining module-level Supabase client initializations including unified routes

Author: Deepak Pandey

app/api/leaderboard/stats/route-unified.ts

@@ -1,13 +1,16 @@
 import { createClient } from '@supabase/supabase-js';
 import { UnifiedCache } from '@/lib/unified-cache-system';
 
-const supabaseUrl = process.env.NEXT_PUBLIC_SUPABASE_URL!;
-const supabaseServiceKey = process.env.SUPABASE_SERVICE_ROLE_KEY!;
-
-const supabaseAdmin = createClient(supabaseUrl, supabaseServiceKey);
+// Create Supabase client function to avoid build-time initialization
+function getSupabaseClient() {
+  const supabaseUrl = process.env.NEXT_PUBLIC_SUPABASE_URL!;
+  const supabaseServiceKey = process.env.SUPABASE_SERVICE_ROLE_KEY!;
+  return createClient(supabaseUrl, supabaseServiceKey);
+}
 
 export async function GET() {
   try {
+    const supabaseAdmin = getSupabaseClient();
     const stats = await UnifiedCache.cachedQuery(
       'leaderboard-stats',
       async () => {

app/api/leaderboard/user/[userId]/route-unified.ts

@@ -2,16 +2,19 @@ import { NextRequest } from 'next/server';
 import { createClient } from '@supabase/supabase-js';
 import { UnifiedCache } from '@/lib/unified-cache-system';
 
-const supabaseUrl = process.env.NEXT_PUBLIC_SUPABASE_URL!;
-const supabaseServiceKey = process.env.SUPABASE_SERVICE_ROLE_KEY!;
-
-const supabaseAdmin = createClient(supabaseUrl, supabaseServiceKey);
+// Create Supabase client function to avoid build-time initialization
+function getSupabaseClient() {
+  const supabaseUrl = process.env.NEXT_PUBLIC_SUPABASE_URL!;
+  const supabaseServiceKey = process.env.SUPABASE_SERVICE_ROLE_KEY!;
+  return createClient(supabaseUrl, supabaseServiceKey);
+}
 
 export async function GET(
   request: NextRequest,
   { params }: { params: { userId: string } }
 ) {
   try {
+    const supabaseAdmin = getSupabaseClient();
     const userId = params.userId;
 
     if (!userId) {