Live Rush - First E2E Windows Test Build

This build is for internal Windows validation of the first runnable product spine.

Start desktop client:
  Live Rush.exe
  or start-browser-source.cmd for support troubleshooting only

App home:
  http://127.0.0.1:18765/app

OBS / live tool browser source:
  http://127.0.0.1:18765/overlay

Gameplay center:
  http://127.0.0.1:18765/gameplay

Visual setup guide:
  http://127.0.0.1:18765/setup

Gift source check:
  http://127.0.0.1:18765/gift-source

Control panel:
  http://127.0.0.1:18765/control

Generate demo artifacts only:
  run-demo.cmd

Open latest output folder:
  open-output-folder.cmd

Generated outputs include browser-source.html, session-report.xls, diagnostic.json, ops-dashboard.json, ledger.jsonl, and raw gift backup records.
