The previous fix exposed `.activationPackage` but still nested them under
`packages.<system>.homeConfigurations`, which is an attrset, not a derivation.
`nix flake check` requires EVERY attribute under `packages.<system>` to be
a derivation. Now flattening home configurations directly into packages with
the prefix `homeConfigurations-<name>` to ensure each is a top-level derivation.
Changes:
- Merge pipe result directly with `//` instead of nesting under `homeConfigurations`
- Prefix each home config with "homeConfigurations-" to avoid naming conflicts
Result: `packages.x86_64-linux.homeConfigurations-user` instead of
`packages.x86_64-linux.homeConfigurations.user`
`nix flake check` requires all `packages.<system>.*` to be derivations.
The previous implementation exposed full home-manager configurations (attrsets)
which caused validation to fail.
Now extracting `.activationPackage` from each home configuration to satisfy
the flake schema requirement.
Fixes CI failure introduced in 012761f.
Replace rec keyword with modern Nix patterns:
- Use explicit let...in bindings with inherit statements
- Use fix for recursive package bindings in package/default.nix
- This improves maintainability and follows idiomatic Nix patterns
Files modified:
- snowfall-lib/flake/default.nix
- snowfall-lib/fp/default.nix
- snowfall-lib/home/default.nix
- snowfall-lib/system/default.nix
- snowfall-lib/package/default.nix
Add merge-with-aliases function to attrs module and use it across checks,
modules, packages, shells, and templates to eliminate repeated alias merging
logic. Also optimize get-libs by replacing filter+map with a fold operation.
