A plain packaged launch (./GigLine.sh with no -map) opened /Engine/Maps/Templates/OpenWorld — an empty engine template with nothing to do, which presented as a 'stuck' window with no working mouse/keys. The GameDefaultMap setting lived in DefaultGame.ini and wasn't taking effect. Move GameMapsSettings (GameDefaultMap/EditorStartupMap/ServerDefaultMap/ TransitionMap = /Game/Hollywood/DemoMap) into DefaultEngine.ini alongside the GlobalDefaultGameMode, and drop the stale ReviewMap default from DefaultGame.ini. Verified: plain ./GigLine.sh now loads /Game/Hollywood/DemoMap, Enhanced Input initializes, Vulkan window opens.
Game
The Unreal project lives at Game/GigLine/GigLine.uproject once created. Nothing here yet.
What gets committed
Config/— engine and project settings, including the quality presets used for release checksSource/— C++ modulesContent/—0.1.0map, materials, meshes; LFS-trackedGigLine.uproject
What does not
Binaries/, Intermediate/, Saved/, DerivedDataCache/ — all generated. .gitignore covers them; do not add exceptions.
Engine
Installed outside the repository. Its path and exact version are recorded in ../Docs/toolchain.md. Nothing in this directory may assume a machine-specific engine path; the documented build procedure is ../Docs/build.md.