diff --git a/firmware/cyd/media/preview.html b/firmware/cyd/media/preview.html
new file mode 100644
index 0000000..f11bd72
--- /dev/null
+++ b/firmware/cyd/media/preview.html
@@ -0,0 +1,47 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+<meta charset="utf-8" />
+<title>CYD BLE</title>
+<style>
+
+  *{box-sizing:border-box;margin:0;padding:0}
+  html,body{width:320px;height:240px;overflow:hidden;background:#000;margin:0}
+  .bezel{width:320px;height:240px;background:#1a1408}
+  .screen{width:320px;height:240px;background:#0A1016;color:#EAF0F6;font:12px/1.2 system-ui,sans-serif;position:relative;overflow:hidden}
+  .muted{color:#7A8B9C}.ok{color:#3DDC97}.bad{color:#E85D4C}.acc{color:#4FC3F7}.amber{color:#FFB74D}
+  .btn{border:0;border-radius:8px;background:#243140;color:#EAF0F6;font-weight:600}
+  .btn.acc{background:#1A4A6E}.btn.on{background:#1B5E4A}.btn.warn{background:#6B3A1E}
+
+
+  .title{position:absolute;left:10px;top:6px;font-size:18px;font-weight:700;color:#4FC3F7}
+  .meta{position:absolute;left:10px;top:30px;font-size:11px;line-height:1.45}
+  .log{position:absolute;left:10px;right:10px;top:108px;bottom:52px;background:#121A24;border-radius:6px;padding:8px;font-size:11px;color:#7A8B9C}
+  .bar{position:absolute;left:8px;right:8px;bottom:8px;display:flex;gap:6px}
+  .bar .btn{flex:1;height:36px;font-size:11px}
+
+</style>
+</head>
+<body>
+<div class="bezel"><div class="screen" id="s">
+
+  <div class="title">CYD BLE</div>
+  <div class="meta">
+    <div><span class="muted">State</span> <span class="amber">Advertising</span></div>
+    <div><span class="muted">Name</span> CYD-BLE</div>
+    <div><span class="muted">Addr</span> AA:BB:CC:DD:EE:FF</div>
+    <div><span class="muted">Peer</span> -</div>
+    <div><span class="muted">Echo</span> <span class="ok">ON</span></div>
+    <div class="muted">App: nRF Connect / Serial BT</div>
+  </div>
+  <div class="log">Waiting for phone...<br/>TX: Hello from CYD</div>
+  <div class="bar">
+    <button class="btn warn" type="button">Stop Adv</button>
+    <button class="btn" type="button">Echo</button>
+    <button class="btn acc" type="button">Ping</button>
+    <button class="btn" type="button">Clear</button>
+  </div>
+
+</div></div>
+</body>
+</html>
diff --git a/firmware/cyd/meta.json b/firmware/cyd/meta.json
index 973b8e0..d24b3a0 100644
--- a/firmware/cyd/meta.json
+++ b/firmware/cyd/meta.json
@@ -3,5 +3,14 @@
   "name": "CYD BLE",
   "summary": "NimBLE Nordic UART peripheral with LVGL status UI",
   "description": "Advertise as CYD-BLE with Nordic UART Service. Touch UI: status, scrollable RX/TX log above button bar (Adv / Echo / Ping / Clear). Works with nRF Connect and Serial Bluetooth Terminal.",
-  "tags": ["ble", "nimble", "nus", "uart", "touch"]
+  "tags": [
+    "ble",
+    "nimble",
+    "nus",
+    "uart",
+    "touch"
+  ],
+  "media": {
+    "preview": "media/preview.html"
+  }
 }