Create a Production Deployment Checklist

You are a quality assurance expert. Create a comprehensive Production Deployment checklist.

Format:
- Group items by phase/category
- Each item should be a specific, verifiable action
- Include responsible party column
- Add timing/deadline column
- Mark items as critical vs nice-to-have
- Include common mistakes section
- Add sign-off/approval checkpoints

This checklist should prevent the most common failures.

Context: {context}