sleep mode debug, proper command ref doc added

templates/index.html

@@ -41,6 +41,13 @@
     <button onclick="getResults()">Get Results (DLC)</button>
   </fieldset>
 
+  <fieldset>
+    <legend>Power Management</legend>
+    <button onclick="sleepDevice()">Sleep</button>
+    <button onclick="wakeDevice()">Wake</button>
+    <button onclick="getSleepStatus()">Check Sleep Status</button>
+  </fieldset>
+
   <fieldset>
     <legend>Device Info</legend>
     <button onclick="getBattery()">Get Battery</button>
@@ -197,6 +204,40 @@
       log(`Reset: ${res.status} - ${data.message || JSON.stringify(data)}`);
     }
 
+    // Power management functions
+    async function sleepDevice() {
+      const unitId = document.getElementById('unitId').value;
+      const res = await fetch(`/api/nl43/${unitId}/sleep`, { method: 'POST' });
+      const data = await res.json();
+      if (res.ok) {
+        log(`Device entering sleep mode`);
+      } else {
+        log(`Sleep failed: ${res.status} - ${data.detail}`);
+      }
+    }
+
+    async function wakeDevice() {
+      const unitId = document.getElementById('unitId').value;
+      const res = await fetch(`/api/nl43/${unitId}/wake`, { method: 'POST' });
+      const data = await res.json();
+      if (res.ok) {
+        log(`Device waking from sleep mode`);
+      } else {
+        log(`Wake failed: ${res.status} - ${data.detail}`);
+      }
+    }
+
+    async function getSleepStatus() {
+      const unitId = document.getElementById('unitId').value;
+      const res = await fetch(`/api/nl43/${unitId}/sleep/status`);
+      const data = await res.json();
+      if (res.ok) {
+        log(`Sleep Status: ${data.sleep_status}`);
+      } else {
+        log(`Get Sleep Status failed: ${res.status} - ${data.detail}`);
+      }
+    }
+
     // Device info functions
     async function getBattery() {
       const unitId = document.getElementById('unitId').value;