Fix: Change DB field 'ports' to 'allocatedPorts' to match schema

Prisma schema defines the field as 'allocatedPorts' (Json type), but code was using 'ports'. This caused DB save failures during provisioning.

src/api/provisionAgent.js

@@ -384,7 +384,7 @@ export async function provisionAgentInstance(body = {}) {
         ctype,
         hostname,
         ip: ctIp,
-        ports: allocatedPorts,
+        allocatedPorts: allocatedPorts,  // ← FIXED: Was 'ports', now matches schema
         payload,
         agentState: "running",
         agentLastSeen: new Date(),