✨ [shared] Replace Prettier with Biome

shared/base/home-manager/development/helix.nix

@@ -16,12 +16,20 @@
     helix =
       let
         prettier = format: {
-          command = "prettier";
+          command = lib.getExe pkgs.nodePackages.prettier;
           args = [
             "--stdin-filepath"
             "file.${format}"
           ];
         };
+        biome = format: {
+          command = lib.getExe pkgs.biome;
+          args = [
+            "check"
+            "--stdin-file-path=file.${format}"
+            "--write"
+          ];
+        };
       in
       {
         enable = true;
@@ -60,7 +68,7 @@
         languages.language = [
           {
             name = "css";
-            formatter = prettier "css";
+            formatter = biome "css";
             auto-format = true;
           }
           {
@@ -68,14 +76,14 @@
             language-servers = [
               "vscode-json-language-server"
             ];
-            formatter = prettier "json";
+            formatter = biome "json";
             auto-format = true;
           }
           {
             name = "jsonc";
             language-servers = [
             ];
-            formatter = prettier "jsonc";
+            formatter = biome "jsonc";
             file-types = [
               "jsonc"
             ];

shared/base/modules/development/formatters.nix

@@ -2,7 +2,7 @@
 
 {
   environment.systemPackages = with pkgs; [
-    nodePackages.prettier
+    biome # Linter + formatter
     nixfmt-rfc-style
     treefmt
     shfmt

shared/desktop/home-manager/development/zed.nix

@@ -12,6 +12,7 @@
       "nix"
       "git-firefly"
       "just"
+      "biome"
     ];
     userSettings =
       let

shared/desktop/modules/development/node.nix

@@ -5,6 +5,5 @@
     jetbrains.webstorm
     nodejs_22
     pnpm
-    nodePackages.prettier
   ];
 }