feat: capability selection

public/components.js

@@ -872,7 +872,6 @@ class NodeDetailsComponent extends Component {
                 </div>
                 
                 <div class="tab-content ${activeTab === 'endpoints' ? 'active' : ''}" id="endpoints-tab">
-                    <h4>Available API Endpoints:</h4>
                     ${nodeStatus.api ? nodeStatus.api.map(endpoint => 
                         `<div class="endpoint-item">${endpoint.method === 1 ? 'GET' : 'POST'} ${endpoint.uri}</div>`
                     ).join('') : '<div class="endpoint-item">No API endpoints available</div>'}
@@ -907,6 +906,16 @@ class NodeDetailsComponent extends Component {
             `;
         }
 
+        const total = capabilities.endpoints.length;
+        let selectedIndex = Number(this.getUIState('capSelectedIndex'));
+        if (Number.isNaN(selectedIndex) || selectedIndex < 0 || selectedIndex >= total) {
+            selectedIndex = 0;
+        }
+
+        const selectorOptions = capabilities.endpoints.map((ep, idx) => {
+            return `<option value="${idx}" ${idx === selectedIndex ? 'selected' : ''}>${ep.method} ${ep.uri}</option>`;
+        }).join('');
+
         const items = capabilities.endpoints.map((ep, idx) => {
             const formId = `cap-form-${idx}`;
             const resultId = `cap-result-${idx}`;
@@ -922,7 +931,7 @@ class NodeDetailsComponent extends Component {
                 `).join('')}</div>`
                 : '<div class="capability-params none">No parameters</div>';
             return `
-                <div class="capability-item" data-cap-index="${idx}">
+                <div class="capability-item" data-cap-index="${idx}" style="display:${idx === selectedIndex ? '' : 'none'};">
                     <div class="capability-header">
                         <span class="cap-method">${ep.method}</span>
                         <span class="cap-uri">${ep.uri}</span>
@@ -940,12 +949,27 @@ class NodeDetailsComponent extends Component {
         setTimeout(() => this.setupCapabilitiesEvents(), 0);
 
         return `
-            <h4>Node Capabilities</h4>
+            <div class="capability-selector">
+                <label class="param-name" for="capability-select">Capability</label>
+                <select id="capability-select" class="param-input">${selectorOptions}</select>
+            </div>
             <div class="capabilities-list">${items}</div>
         `;
     }
 
     setupCapabilitiesEvents() {
+        const selector = this.findElement('#capability-select');
+        if (selector) {
+            this.addEventListener(selector, 'change', (e) => {
+                const selected = Number(e.target.value);
+                const items = Array.from(this.findAllElements('.capability-item'));
+                items.forEach((el, idx) => {
+                    el.style.display = (idx === selected) ? '' : 'none';
+                });
+                this.setUIState('capSelectedIndex', selected);
+            });
+        }
+
         const buttons = this.findAllElements('.cap-call-btn');
         buttons.forEach(btn => {
             this.addEventListener(btn, 'click', async (e) => {
@@ -1029,7 +1053,6 @@ class NodeDetailsComponent extends Component {
             `).join('');
             
             return `
-                <h4>Active Tasks</h4>
                 ${tasksHTML}
             `;
         } else {