Fix: strictly use active flows for online status (ignore dummy summaries)

src/lib/actions/agentsMongo.ts

@@ -89,7 +89,7 @@ export async function fetchAgentsFromMongo(
   }
 
   // 3. Optimize status check and last seen per agent using parallel indexed queries
-  const twentyFourHoursAgo = new Date(Date.now() - 24 * 3600000);
+  const fifteenMinutesAgoQuery = new Date(Date.now() - 15 * 60000);
 
   const agentResults = await Promise.all(
     agentSource.map(async (item: any, idx: number) => {
@@ -99,7 +99,7 @@ export async function fetchAgentsFromMongo(
       // Execute status checks for active flow, latest flow, and latest summary in parallel
       const [activeFlow, latestFlow, latestSummary] = await Promise.all([
         db.collection('flows').findOne(
-          { agent_uuid: uuid, timestamp: { $gte: twentyFourHoursAgo } },
+          { agent_uuid: uuid, timestamp: { $gte: fifteenMinutesAgoQuery } },
           { projection: { _id: 1 } }
         ),
         db.collection('flows').findOne(
@@ -135,8 +135,7 @@ export async function fetchAgentsFromMongo(
         }
       }
 
-      const fifteenMinutesAgo = new Date(Date.now() - 15 * 60000);
-      const isOnline = lastSeenDate ? lastSeenDate >= fifteenMinutesAgo : !!activeFlow;
+      const isOnline = !!activeFlow;
 
       let statusHuman = 'No Flows Detected';
       if (lastSeenDate) {