make credit check non-fatal in proxy

The credit_balance_eur column may not exist in all environments.
Fail open so the proxy still works while the schema catches up.

Made-with: Cursor

Author: albertsalgueda

src/app/api/gateway/proxy/route.ts

@@ -106,12 +106,16 @@ export async function POST(request: NextRequest) {
 
   const { instanceId, orgId } = resolved
 
-  const hasFunds = await checkSufficientBalance(orgId, 0.001)
-  if (!hasFunds) {
-    return NextResponse.json(
-      { error: 'Insufficient credit balance. Please add credits.' },
-      { status: 402 },
-    )
+  try {
+    const hasFunds = await checkSufficientBalance(orgId, 0.001)
+    if (!hasFunds) {
+      return NextResponse.json(
+        { error: 'Insufficient credit balance. Please add credits.' },
+        { status: 402 },
+      )
+    }
+  } catch (err) {
+    console.warn('Credit check failed, allowing request:', err)
   }
 
   let requestBody: Record<string, unknown>