let
  lock = builtins.fromJSON (builtins.readFile ./flake.lock);
  flake-compatish = import (fetchTree lock.nodes.flake-compatish.locked);
  flake = flake-compatish {
    source = ./.;
    overrides = {
      # Path: use directly without store copy (fast local dev)
      self = ./.;
    };
  };
in
flake.impure