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>

watcher.sh

@@ -0,0 +1,21 @@
+#!/bin/sh
+# Foreground watcher — subscribes to app manager events and launches Luma
+# whenever the web Home trampoline appears in the foreground.  The outer
+# loop restarts the subscription if it drops.
+
+echo $$ > /tmp/luma-watcher.pid
+
+while true; do
+  luna-send -i luna://com.webos.applicationManager/getForegroundAppInfo \
+    '{ "subscribe": true }' 2>/dev/null \
+  | while IFS= read -r line; do
+    case "$line" in
+      *com.webos.app.home*)
+        luna-send -n 1 -w 5000 -f \
+          luna://com.webos.applicationManager/launch \
+          '{ "id": "com.ecklf.luma" }' >/dev/null 2>&1
+        ;;
+    esac
+  done
+  sleep 2
+done