Fix: Handle undefined result.body.metadata gracefully

Pod creation succeeds but response structure may not have metadata.
Add safe navigation to prevent error.

Co-Authored-By: Claude Sonnet 4.5 (1M context) <noreply@anthropic.com>

src/lib/k8s.ts

@@ -204,7 +204,9 @@ export async function createAgentPod(podName: string, userId: string): Promise<v
     }, undefined, undefined, undefined, undefined, options)
 
     console.log(`✅ Pod ${podName} created successfully`)
-    console.log(`✅ Pod UID: ${result.body.metadata?.uid}`)
+    if (result?.body?.metadata?.uid) {
+      console.log(`✅ Pod UID: ${result.body.metadata.uid}`)
+    }
   } catch (error: any) {
     console.error(`❌ Failed to create pod ${podName}`)
     console.error(`❌ Error message:`, error.message)