diff --git a/bun.lock b/bun.lock
index d02915e..1d65955 100644
--- a/bun.lock
+++ b/bun.lock
@@ -11,6 +11,7 @@
         "@sveltejs/kit": "^2.50.1",
         "@sveltejs/vite-plugin-svelte": "^6.2.4",
         "@tailwindcss/vite": "^4.1.18",
+        "lefthook": "^2.1.0",
         "svelte": "^5.48.2",
         "svelte-check": "^4.3.5",
         "tailwindcss": "^4.1.18",
@@ -323,6 +324,28 @@
 
     "kleur": ["kleur@4.1.5", "", {}, "sha512-o+NO+8WrRiQEE4/7nwRJhN1HWpVmJm511pBHUxPLtp0BUISzlBplORYSmTclCnJvQq2tKu/sgl3xVpkc7ZWuQQ=="],
 
+    "lefthook": ["lefthook@2.1.0", "", { "optionalDependencies": { "lefthook-darwin-arm64": "2.1.0", "lefthook-darwin-x64": "2.1.0", "lefthook-freebsd-arm64": "2.1.0", "lefthook-freebsd-x64": "2.1.0", "lefthook-linux-arm64": "2.1.0", "lefthook-linux-x64": "2.1.0", "lefthook-openbsd-arm64": "2.1.0", "lefthook-openbsd-x64": "2.1.0", "lefthook-windows-arm64": "2.1.0", "lefthook-windows-x64": "2.1.0" }, "bin": { "lefthook": "bin/index.js" } }, "sha512-+vS+yywGQW6CN1J1hbGkez//6ixGHIQqfxDN/d3JDm531w9GfGt2lAWTDfZTw/CEl80XsN0raFcnEraR3ldw9g=="],
+
+    "lefthook-darwin-arm64": ["lefthook-darwin-arm64@2.1.0", "", { "os": "darwin", "cpu": "arm64" }, "sha512-u2hjHLQXWSFfzO7ln2n/uEydSzfC9sc5cDC7tvKSuOdhvBwaJ0AQ7ZeuqqCQ4YfVIJfYOom1SVE9CBd10FVyig=="],
+
+    "lefthook-darwin-x64": ["lefthook-darwin-x64@2.1.0", "", { "os": "darwin", "cpu": "x64" }, "sha512-zz5rcyrtOZpxon7uE+c0KC/o2ypJeLZql5CL0Y9oaTuECbmhfokm8glsGnyWstW/++PuMpZYYr/qsCJA5elxkQ=="],
+
+    "lefthook-freebsd-arm64": ["lefthook-freebsd-arm64@2.1.0", "", { "os": "freebsd", "cpu": "arm64" }, "sha512-+mXNCNuFHNGYLrDqYWDeHH7kWCLCJFPpspx5PAAm+PD37PRMZJrTqDbaNK9qCghC1tdmT4/Lvilf/ewXHPlaKw=="],
+
+    "lefthook-freebsd-x64": ["lefthook-freebsd-x64@2.1.0", "", { "os": "freebsd", "cpu": "x64" }, "sha512-+AU2HD7szuDsUdHue/E3OnF84B2ae/h7CGKpuIUHJntgoJ4kxf89oDvq2/xl8kDCn9cT76UUjgeZUgFYLRj+6Q=="],
+
+    "lefthook-linux-arm64": ["lefthook-linux-arm64@2.1.0", "", { "os": "linux", "cpu": "arm64" }, "sha512-KM70eV1tsEib1/tk+3TFxIdH84EaYlIg5KTQWAg+LB1N23nTQ7lL4Dnh1je6f6KW4tf21nmoMUqsh0xvMkQk8Q=="],
+
+    "lefthook-linux-x64": ["lefthook-linux-x64@2.1.0", "", { "os": "linux", "cpu": "x64" }, "sha512-6Bxmv+l7LiYq9W0IE6v2lmlRtBp6pisnlzhcouMGvH3rDwEGw11NAyRJZA3IPGEMAkIuhnlnVTUwAUzKomfJLg=="],
+
+    "lefthook-openbsd-arm64": ["lefthook-openbsd-arm64@2.1.0", "", { "os": "openbsd", "cpu": "arm64" }, "sha512-ppJNK0bBSPLC8gqksRw5zI/0uLeMA5cK+hmZ4ofcuGNmdrN1dfl2Tx84fdeef0NcQY0ii9Y3j3icIKngIoid/g=="],
+
+    "lefthook-openbsd-x64": ["lefthook-openbsd-x64@2.1.0", "", { "os": "openbsd", "cpu": "x64" }, "sha512-8k9lQsMYqQGu4spaQ8RNSOJidxIcOyfaoF2FPZhthtBfRV3cgVFGrsQ0hbIi5pvQRGUlCqYuCN79qauXHmnL3Q=="],
+
+    "lefthook-windows-arm64": ["lefthook-windows-arm64@2.1.0", "", { "os": "win32", "cpu": "arm64" }, "sha512-0WN+grrxt9zP9NGRcztoPXcz25tteem91rfLWgQFab+50csJ47zldlsB7/eOS/eHG5mUg5g5NPR4XefnXtjOcQ=="],
+
+    "lefthook-windows-x64": ["lefthook-windows-x64@2.1.0", "", { "os": "win32", "cpu": "x64" }, "sha512-XbO/5nAZQLpUn0tPpgCYfFBFJHnymSglQ73jD6wymNrR1j8I5EcXGlP6YcLhnZ83yzsdLC+gup+N6IqUeiyRdw=="],
+
     "lightningcss": ["lightningcss@1.30.2", "", { "dependencies": { "detect-libc": "^2.0.3" }, "optionalDependencies": { "lightningcss-android-arm64": "1.30.2", "lightningcss-darwin-arm64": "1.30.2", "lightningcss-darwin-x64": "1.30.2", "lightningcss-freebsd-x64": "1.30.2", "lightningcss-linux-arm-gnueabihf": "1.30.2", "lightningcss-linux-arm64-gnu": "1.30.2", "lightningcss-linux-arm64-musl": "1.30.2", "lightningcss-linux-x64-gnu": "1.30.2", "lightningcss-linux-x64-musl": "1.30.2", "lightningcss-win32-arm64-msvc": "1.30.2", "lightningcss-win32-x64-msvc": "1.30.2" } }, "sha512-utfs7Pr5uJyyvDETitgsaqSyjCb2qNRAtuqUeWIAKztsOYdcACf2KtARYXg2pSvhkt+9NfoaNY7fxjl6nuMjIQ=="],
 
     "lightningcss-android-arm64": ["lightningcss-android-arm64@1.30.2", "", { "os": "android", "cpu": "arm64" }, "sha512-BH9sEdOCahSgmkVhBLeU7Hc9DWeZ1Eb6wNS6Da8igvUwAe0sqROHddIlvU06q3WyXVEOYDZ6ykBZQnjTbmo4+A=="],
diff --git a/lefthook.yml b/lefthook.yml
new file mode 100644
index 0000000..ef6f0f7
--- /dev/null
+++ b/lefthook.yml
@@ -0,0 +1,6 @@
+pre-commit:
+  commands:
+    check:
+      glob: "*.{js,ts,cjs,mjs,d.cts,d.mts,jsx,tsx,svelte,json,jsonc}"
+      run: npx @biomejs/biome check --write --no-errors-on-unmatched --files-ignore-unknown=true --colors=off {staged_files}
+      stage_fixed: true
diff --git a/package.json b/package.json
index e9c26a0..0302230 100644
--- a/package.json
+++ b/package.json
@@ -21,6 +21,7 @@
 		"@sveltejs/kit": "^2.50.1",
 		"@sveltejs/vite-plugin-svelte": "^6.2.4",
 		"@tailwindcss/vite": "^4.1.18",
+		"lefthook": "^2.1.0",
 		"svelte": "^5.48.2",
 		"svelte-check": "^4.3.5",
 		"tailwindcss": "^4.1.18",