Add comprehensive test script for issue validation

Author: Kampouse

scripts/test-before-close.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+# Comprehensive test script before closing issues
+
+echo "🚀 Running comprehensive tests before closing issue..."
+
+echo "📝 1. Running TypeScript type checking..."
+npm run build.types || {
+    echo "❌ TypeScript errors found!"
+    exit 1
+}
+
+echo "🔍 2. Running Biome checks..."
+biome check . || {
+    echo "❌ Biome linting/formatting issues found!"
+    echo "💡 Run 'biome check --write .' to fix auto-fixable issues"
+    exit 1
+}
+
+echo "🧪 3. Running tests..."
+npm run test || {
+    echo "❌ Tests failed!"
+    exit 1
+}
+
+echo "🏗️ 4. Building the project..."
+npm run build || {
+    echo "❌ Build failed!"
+    exit 1
+}
+
+echo "✅ All checks passed! Ready to close the issue."
+exit 0