Initial commit — Luma Home trampoline for webOS 5/6

Bind-mounts a transparent web page over LG Home that launches Luma
via WebOSServiceBridge, with a subscription-based background watcher
as fallback. Tested on LG 65NANO813PA, webOS 6.5.3.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

overlay/index.html

@@ -0,0 +1,22 @@
+<!doctype html>
+<html><head><meta charset="utf-8"><title>Home</title>
+<meta name="viewport" content="width=1920">
+<style>html,body{margin:0;padding:0;width:1920px;height:1080px;background:transparent;overflow:hidden}</style>
+<script>
+(function(){
+  try {
+    var b = new WebOSServiceBridge();
+    b.onservicecallback = function(){};
+    b.call('luna://com.webos.applicationManager/launch', JSON.stringify({id:'com.ecklf.luma'}));
+  } catch(e) {
+    setTimeout(function(){
+      try {
+        var b2 = new WebOSServiceBridge();
+        b2.onservicecallback = function(){};
+        b2.call('luna://com.webos.applicationManager/launch', JSON.stringify({id:'com.ecklf.luma'}));
+      } catch(e2){}
+    }, 500);
+  }
+})();
+</script>
+</head><body></body></html>