From 6f660cb18e610db366a2512dee0193dfd4bf64be Mon Sep 17 00:00:00 2001
From: Taylor Ho <taylorkmho@gmail.com>
Date: Thu, 2 Apr 2026 00:36:43 -0700
Subject: [PATCH] fix: scope pre-commit hook to staged files only

Use lefthook's {staged_files} template so biome format/check and
git add only touch explicitly staged files, preventing unrelated
changes from being pulled into commits during parallel workflows.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
---
 lefthook.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lefthook.yml b/lefthook.yml
index c66ddb2..e0b7892 100644
--- a/lefthook.yml
+++ b/lefthook.yml
@@ -1,7 +1,8 @@
 pre-commit:
   commands:
     format:
-      run: npx biome format --write . && npx biome check --fix . && git add -u
+      glob: "*.{js,jsx,ts,tsx,json,css}"
+      run: npx biome format --write {staged_files} && npx biome check --fix {staged_files} && git add {staged_files}
     check:
       run: just check