fix(MM-135): use evalNixpkgs workaround in Task 4 'On Linux' block

An easy-to-host PDS on the ATProtocol, MacOS. Grandma-approved.

The informational block for Linux operators now uses builtins.getFlake "nixpkgs"
to access lib.nixosSystem instead of the broken flake.inputs.nixpkgs pattern,
consistent with Tasks 2, 3, and 5. This ensures the command will work on Linux CI.

authored by malpercio.dev and committed by

Tangled 1 week ago f4499237 17f362f9

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1 changed file

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docs

implementation-plans

2026-03-09-MM-135

phase_03.md

+3 -2

docs/implementation-plans/2026-03-09-MM-135/phase_03.md

··· 223 223 nix eval --impure --accept-flake-config --raw --expr ' 224 224 let 225 225 flake = builtins.getFlake (builtins.toString ./.); 226 - nixpkgs = flake.inputs.nixpkgs; 227 - sys = nixpkgs.lib.nixosSystem { 226 + # devenv-nixpkgs fork lacks lib.nixosSystem; use system nixpkgs from registry 227 + evalNixpkgs = builtins.getFlake "nixpkgs"; 228 + sys = evalNixpkgs.lib.nixosSystem { 228 229 system = "x86_64-linux"; 229 230 modules = [ 230 231 flake.nixosModules.default