feat: add pagination and click selection to resource list

Co-authored-by: aider (openrouter/thinkingmachines/inkling-small:free) <aider@aider.chat>

frontend/style.css

@@ -78,6 +78,11 @@ button.danger:hover {
   background: #c53030;
 }
 
+button:disabled {
+  opacity: 0.5;
+  cursor: not-allowed;
+}
+
 #search {
   display: flex;
   gap: 0.5rem;
@@ -107,12 +112,29 @@ button.danger:hover {
   display: flex;
   justify-content: space-between;
   align-items: center;
+  transition: background 0.1s ease;
+}
+
+#resource-list li:hover {
+  background: #f7fafc;
+}
+
+#resource-list li.selected {
+  background: #ebf8ff;
+  border-left: 3px solid #3182ce;
 }
 
 #resource-list li:last-child {
   border-bottom: none;
 }
 
+#pagination {
+  margin-top: 1rem;
+  display: flex;
+  gap: 0.5rem;
+  align-items: center;
+}
+
 #actions pre {
   background: #1a202c;
   color: #e2e8f0;