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Add Serena configuration and project memories

(Set up Serena IDE integration with a Nix language server and create a
memory graph documenting package conventions, core structure, tech
stack, and task completion workflows.)

2026-09-23 14:54:50 +03:00

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nix-overlay — package conventions

Directory pattern (every package)

packages/<name>/default.nix (wrapper, receives blueprint args) + packages/<name>/package.nix (the derivation, pkgs.callPackage-style argsets).

Wrapper variants:

Plain: { pkgs, ... }: pkgs.callPackage ./package.nix { }
Needs blueprint extras: pass perSystem, inputs, etc. through explicitly.
Alternate nixpkgs (freetoken): wrapper ignores pkgs for the derivation and calls inputs.nixpkgs-torch211.legacyPackages.${pkgs.stdenv.hostPlatform.system}.callPackage ./package.nix { }.

Derivedivation requirements

Use stdenv.mkDerivation rec { pname; version; } or rustPlatform.buildRustPackage (Rust: cargoHash; Go/Python equivalents as needed).
meta.description required (feeds the default meta-package listing).
meta.mainProgram set for CLI-providing packages.
Organizational attrs via passthru: category (e.g. "AI Coding Agents"), hideFromDocs = true to exclude from docs listing.
No with pkgs; at top level of Nix files (scope issues).
No hardcoded system paths/system assumptions.

Adding a package (sequence)

mkdir → package.nix → default.nix wrapper → git add packages/<name>/ (required for blueprint discovery) → nix build .#<name> → update README Available Packages table → commit (conventional-commit format).

Naming

Package dir name = flake output attr name (kebab-case).

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