logos-snake-game

Activate when creating a new Logos module with the universal C++ interface. Covers scaffolding, metadata.json, flake.nix with code generator, CMakeLists.txt, and the pure C++ impl header.

Activate when implementing inter-module communication in Logos. Covers LogosAPI::callModule(), LogosResult handling, dependency declaration in metadata.json, generated client stubs, and the QML bridge.

Activate when configuring Nix flake.nix for a Logos module. Covers flake inputs, follows declarations, preConfigure for code generation, mkLogosModule, overrides for local development, and workspace integration.

Activate when packaging a Logos module or UI app for distribution as an LGX package. Covers lgx create, adding platform variants, verification, portable builds, and installation via lgpm.

Activate when writing tests for Logos modules. Covers unit testing universal modules (direct impl class testing), logoscore integration tests, TEST_GROUPS, mock transport, and Nix check configuration.

Activate when wrapping an external C or C++ library as a Logos universal module. Covers external_libraries in metadata.json, flake input configuration, extern C includes, and the Go library special case.