refactor(Instances): simplify instance loading logic

Replace multiple API calls with a single call and simplify the data mapping. The new implementation directly uses the status field from the list response instead of making separate info requests for each instance.

src/views/Instances.vue

@@ -203,30 +203,11 @@ export default {
 
         const loadInstances = async () => {
             try {
-                const listResult = await instanceApi.listInstances();
-                const instanceIDs = listResult.data.map(i => String(i.instanceID));
-                
-                const infoResults = await Promise.all(instanceIDs.map(async (instanceID) => {
-                    try {
-                        return await instanceApi.getInstanceInfo(instanceID);
-                    } catch (error) {
-                        console.error(`Failed to get info for instance ${instanceID}:`, error);
-                        return null;
-                    }
-                }));
-                
-                instances.value = listResult.data.map(instance => {
-                    const infoResult = infoResults.find(r => r && String(r.data.instanceID) === String(instance.instanceID));
-                    if (infoResult) {
-                        return {
+                const result = await instanceApi.listInstances();
+                instances.value = result.data.map(instance => ({
                     ...instance,
-                            status: infoResult.data.isRunning ? 'running' : 'stopped',
-                            serviceName: infoResult.data.serviceName,
-                            pid: infoResult.data.pid
-                        };
-                    }
-                    return { ...instance, status: 'stopped' };
-                });
+                    status: instance.isRunning ? 'running' : 'stopped'
+                }));
             } catch (error) {
                 showNotification('Load instance list failed', 'error');
             }