0.5.x

      cmake -S . -B build cmake --build build --config Debug

      LumenEngine.exe LumenEngine.exe --project "C:\Projects\MyGame"

      MyGame/ Assets/ Content/ Config/ Source/ .lumenproject

      { "schemaVersion": 1, "name": "MyGame", "engineVersion": "0.5.x", "engineInstallationId": "engine_local", "createdAt": "2026-09-13T00:00:00.000Z", "lastOpenedAt": null }

      LumenEngine.exe --project "<path>"