feat(proxy): add instance proxy display

- Change API endpoint and parameter from instanceName to instanceID for getInstanceProxies
- Update proxy list UI with type badge and structured details display
- Add async/await for mounted lifecycle hooks
- Improve proxy item styling with better spacing and visual hierarchy

src/styles/common.css

@@ -518,7 +518,10 @@
 }
 
 .proxy-item {
-    padding: 16px;
+    display: flex;
+    flex-direction: column;
+    gap: 12px;
+    padding: 12px;
     background: #f9f9f9;
     border-radius: 6px;
 }
@@ -527,20 +530,31 @@
     display: flex;
     justify-content: space-between;
     align-items: center;
-    margin-bottom: 12px;
 }
 
 .proxy-name {
-    font-size: 16px;
+    font-size: 18px;
     font-weight: 600;
     color: var(--text-color);
     transition: color 0.3s;
 }
 
+.proxy-type {
+    display: inline-block;
+    padding: 4px 12px;
+    border-radius: 12px;
+    font-size: 14px;
+    font-weight: 500;
+    background: var(--primary-bg);
+    color: var(--primary-color);
+    text-transform: uppercase;
+}
+
 .proxy-details {
     display: flex;
     flex-direction: column;
     gap: 8px;
+    padding-left: 12px;
 }
 
 .proxy-detail {