Add Copilot-powered cyberpunk JRPG chat Integrate the production JRPG chat with Seobeo streaming, Deita persistence, and a Bazel-managed Copilot SDK and LiteLLM inference stack. Co-authored-by: Copilot <[email protected]>

@ECHO OFF

set ROOT_DIR=%EXT_BUILD_ROOT%
if "%ROOT_DIR%"=="" set ROOT_DIR=%CD%
set EMSCRIPTEN=%ROOT_DIR%\%EM_BIN_PATH%\emscripten
set EM_CONFIG=%ROOT_DIR%\%EM_CONFIG_PATH%