fix(firmware-build): support CCS artifact paths and bootstrap identity config

tools/firmware-build/ccs/precompile.bat

@@ -16,6 +16,13 @@ if "%~2"=="" goto usage
 if "%~3"=="" goto usage
 if "%~4"=="" goto usage
 if not "%~5"=="" goto usage
+rem Create the editable project configuration once; never overwrite user settings.
+if not exist "%~f3" (
+  copy /Y "%~dp0firmware_identity.example.json" "%~f3" >nul
+  if errorlevel 1 exit /b 2
+  echo [firmware-build] Created configuration: "%~f3"
+  echo [firmware-build] Edit product, target and version in this file, then rebuild.
+)
 python "%~dp0..\..\..\c\firmware-info\tools\identity.py" prepare --repository "%~f2" --templates "%~dp0..\..\.." --config "%~f3" --output "%~f4"
 exit /b %errorlevel%
 :usage