Feature Prompt Full

Turn rough feature requests into an implementation-ready prompt and prepare the downstream feature chain.

This is the full variant of feature-prompt. It keeps the same section-by-section clarification flow, then directs the user through:

1. /grill-with-docs
2. /to-prd
3. /to-issues
4. /tdd

Chain Approval

Before asking feature questions, show the chain suggestion and get user approval.

Use this exact shape: