chore: setup husky, lint-staged and ci pipeline (infrastructure)

.husky/pre-commit

@@ -0,0 +1,30 @@
+#!/bin/sh
+. "$(dirname "$0")/_/husky.sh"
+
+echo "🔍 Running pre-commit checks..."
+
+# 1. Run lint-staged (Fast, only staged files)
+pnpm lint-staged
+if [ $? -ne 0 ]; then
+  echo "❌ Lint failed"
+  exit 1
+fi
+
+# 2. Additional Global Safety Checks (Per t2.md) - Optimized for staged files
+staged_files=$(git diff --cached --name-only --diff-filter=ACM | grep -E '\.(ts|tsx|js|jsx)$')
+
+if [ -n "$staged_files" ]; then
+    # UUID misuse check
+    grep "parseInt(.*uuid" $staged_files && {
+      echo "❌ UUID misuse detected (parseInt) in staged files"
+      exit 1
+    }
+
+    # console.log check
+    grep "console.log" $staged_files && {
+      echo "❌ console.log is not allowed in staged files"
+      exit 1
+    }
+fi
+
+echo "✅ Pre-commit passed"