diff --git a/nix/package.nix b/nix/package.nix
index 4c9d09fec25..159d8f3dc31 100644
--- a/nix/package.nix
+++ b/nix/package.nix
@@ -80,7 +80,8 @@ pkgs.t3code.override {
 
             app="$out/Applications/T3 Code (Alpha).app"
             appCopy="$NIX_BUILD_TOP/t3code.app"
-            cp --recursive --dereference --no-preserve=mode "$app" "$appCopy"
+            cp --recursive --dereference "$app" "$appCopy"
+            chmod --recursive u+w "$appCopy"
             rm --recursive "$app"
             mv "$appCopy" "$app"
 
@@ -90,6 +91,7 @@ pkgs.t3code.override {
                 '<string>com.t3tools.t3code</string>'
 
             /usr/bin/codesign --force --deep --sign - "$app"
+            test -x "$app/Contents/MacOS/T3 Code (Alpha)"
           '';
       }
     );
diff --git a/vite.config.ts b/vite.config.ts
index b2498611198..d7d19fbacdc 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -22,7 +22,8 @@ export default defineConfig({
   },
   staged: {
     // Formatter only for now — no lint or typecheck on commit.
-    "*": "vp fmt",
+    "*.{astro,cjs,css,cts,html,js,json,jsonc,jsx,less,md,mdx,mjs,mts,scss,svelte,toml,ts,tsx,vue,yaml,yml}":
+      "vp fmt",
   },
   fmt: {
     ignorePatterns: [