diff --git a/.git-hooks/pre-commit b/.git-hooks/pre-commit
new file mode 100755
index 00000000..afe860ea
--- /dev/null
+++ b/.git-hooks/pre-commit
@@ -0,0 +1,23 @@
+#!/bin/sh
+#
+# Pre-commit hook installed by huskies.
+# Runs script/check (fmt-check, clippy, cargo check, source-map-check)
+# before every commit. Aborts if any gate fails.
+#
+# Emergency bypass: git commit --no-verify  (see AGENT.md — avoid this)
+
+REPO_ROOT="$(git rev-parse --show-toplevel)"
+
+printf '[pre-commit] Running script/check ...\n'
+OUTPUT=$("$REPO_ROOT/script/check" 2>&1)
+STATUS=$?
+
+if [ "$STATUS" -ne 0 ]; then
+printf '\n=== PRE-COMMIT HOOK FAILED ===\n\n'
+printf '%s\n' "$OUTPUT"
+printf '\nFix the issues above, then re-validate with:\n'
+printf '    script/check\n'
+printf '\nEmergency bypass (see AGENT.md -- avoid this):\n'
+printf '    git commit --no-verify\n\n'
+exit 1
+fi