ERRO formatter | ast-grep-check: failed to apply with options '[scan --error]': exit status 1

corepkgs/flake.nix
error[quote-input-name]: Quote the attribute after `inputs.` — write `inputs."foo"`, not `inputs.foo`. Flake input names are external identifiers, not code; quoting marks them as such and keeps names with dots or dashes uniform.
@@ -5,7 +5,7 @@
6  6 │ {
7  7 │   description = "corepkgs — a nixpkgs-free packaging system (static seed + nushell builder)";
8  8 │ 
9    │-  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
   9 │+  inputs."nixpkgs".url = "github:NixOS/nixpkgs/nixpkgs-unstable";
10 10│ 
11 11│   # `...` accepts the `self` Nix always passes without deadnix stripping it.
12 12│   outputs =
Note:
inputs."nixpkgs".follows = "nixpkgs";  # not: inputs.nixpkgs.follows
flake.inputs."bun2nix".overlays.default

Error: 1 error(s) found in code.
Help: Scan succeeded and found error level diagnostics in the codebase.


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formatted 103 files (0 changed) in 2.318s
Error: failed to finalise formatting: formatting failures detected