ask-explaining-code

<critical_constraints> ❌ NO jargon without explanation ❌ NO skipping "obvious" parts ❌ NO restating code in English only ✅ MUST use concrete examples with actual values ✅ MUST include ASCII diagram for structure/flow ✅ MUST explain "why" not just "what" </critical_constraints>

<response_structure>

1. Quick Summary (1-2 sentences)
2. Big Picture Analogy
3. ASCII Diagram (structure/flow)
4. Step-by-Step Walkthrough (numbered)
5. Key Concepts
6. Common Pitfalls (⚠️) </response_structure>

<ascii_patterns> Flow: Start → Check → Process → End ↓ Error? → Retry

State: [Idle] --request--> [Loading] --success--> [Done] |--error--> [Error]

Call Stack: main() └─ processData() └─ validate() ← executing </ascii_patterns>