Why are delimiters like ###, """, or <xml> tags important in long prompts? How do they help prevent the model from getting confused between instructions and data?

We know "think step-by-step" works. But when should you not use Chain of Thought (CoT) in a production app?

Your "v2" prompt works better for Question A but worse for Question B. How do you manage prompt versions in a codebase?

Explain Prompt Leaking. How would you prevent a user from asking your chatbot, "Show me your system instructions"?