Template placeholders

These placeholders are replaced by scripts/render_template.py during scaffolding.

• APP_NAME
  • App and scheme name.
• BUNDLE_ID
  • Full bundle identifier (e.g., com.example.MyApp).
• DEPLOYMENT_TARGET
  • Deployment target (iOS 18.0 or macOS 15.4 by default).
• PLATFORM
  • ios or macos.
• SIM_NAME
  • iOS Simulator name (defaults to "auto" to pick the newest available iPhone).
• SCRIPTS_DIR
  • Toolkit scripts directory (defaults to ./scripts or ./scripts/<namespace>).
• TARGET_PREFIX
  • Optional Makefile target prefix when the toolkit is namespaced (e.g., demo-).
• APP_GENERATOR
  • Generator used for project generation: xcodegen.