𝟱 𝗦𝗽𝗿𝗶𝗻𝗴 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆 𝗺𝗶𝘀𝘁𝗮𝗸𝗲𝘀
⚠️ 1. Storing JWT secrets in code ❌ 2. Not implementing refresh tokens ❌ 3. Forgetting CORS configuration ❌ 4. Using permitAll() incorrectly ❌ 5. No production security checklist