feat: Implement DeepSeek account validation, testing, and queue status monitoring with corresponding admin API endpoints.

webui/src/styles.css

@@ -301,7 +301,9 @@ textarea.form-input {
 }
 
 @keyframes spin {
-  to { transform: rotate(360deg); }
+  to {
+    transform: rotate(360deg);
+  }
 }
 
 .modal-overlay {
@@ -397,25 +399,72 @@ textarea.form-input {
   color: var(--text-secondary);
 }
 
+/* Queue Status */
+.queue-status {
+  padding: 0.75rem;
+  background: var(--bg-tertiary);
+  border-radius: var(--radius);
+}
+
+.stat-row {
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+  flex-wrap: wrap;
+}
+
+.stat-value {
+  font-size: 1.25rem;
+  font-weight: 700;
+  margin-right: 0.5rem;
+}
+
+.stat-success {
+  color: var(--success);
+}
+
+.stat-warning {
+  color: var(--warning);
+}
+
+.stat-detail {
+  margin-top: 0.5rem;
+  font-size: 0.85rem;
+  color: var(--text-secondary);
+  font-family: 'Monaco', 'Menlo', monospace;
+}
+
+/* Button Group Inline */
+.btn-group-inline {
+  display: flex;
+  gap: 0.5rem;
+  align-items: center;
+}
+
+.btn-sm {
+  padding: 0.4rem 0.8rem;
+  font-size: 0.8rem;
+}
+
 @media (max-width: 640px) {
   .app {
     padding: 1rem;
   }
-  
+
   .tabs {
     flex-direction: column;
   }
-  
+
   .tab {
     text-align: center;
   }
-  
+
   .btn-group {
     flex-direction: column;
   }
-  
+
   .btn {
     width: 100%;
     justify-content: center;
   }
-}
+}