Lots of new AI tasks tweaks and fixes

inventory-server/src/services/ai/index.js

@@ -327,7 +327,8 @@ async function runTask(taskId, payload = {}) {
     ...payload,
     // Inject dependencies tasks may need
     provider: groqProvider,
-    pool: appPool,
+    // Use pool from payload if provided (from route), fall back to stored appPool
+    pool: payload.pool || appPool,
     logger
   });
 }