chore(husky): run biome only on staged files in pre-commit

- replaced full-repo formatting with per-commit checks
- pre-commit hook now runs:
  • biome lint --apply
  • biome format --write
- re-adds fixed files to staging automatically

Author: mayank1513

.husky/pre-commit

@@ -1 +1,7 @@
-pnpm lint:fix && git add .
+#!/bin/sh
+# .husky/pre-commit
+FILES=$(git diff --cached --name-only --diff-filter=ACM | grep -E '\.(ts|tsx|js|json|md)$')
+[ -z "$FILES" ] && exit 0
+
+echo "$FILES" | xargs biome check --write
+git add $FILES