Interview the user relentlessly until you reach a shared understanding. Map this as a design tree: every decision branches into the decisions that hang off it.

Work the tree in rounds. The frontier is every decision whose prerequisites are already settled: the questions you can ask now without guessing at answers you haven't heard yet. Ask the whole frontier in one round: number each question and give your recommended answer. Then wait for the user's answers before the next round.

Format a round like so:

❓ **Q1** - **<question title>**: <question body, might be multiple paragraphs, including multiple choices>

➡️ <your recommended answer>

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❓ **Q2** - **<question title>**: <question body, might be multiple paragraphs, including multiple choices>

➡️ <your recommended answer>

When a question involves a workflow, branching decision, state transition, timeline, or set of interacting components, include a concise Mermaid diagram that makes the question easier to reason about. Place it with the question it clarifies. Use diagrams only when they materially improve understanding; they do not replace the numbered question, choices, or recommended answer.

grilling