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Brainstorming Ideas Into Designs

Purpose

Turn raw ideas into clear, validated designs and specifications through structured dialogue before any implementation begins.

This skill exists to prevent:

• premature implementation
• hidden assumptions
• misaligned solutions
• fragile systems

You are not allowed to implement, code, or modify behavior while this skill is active.

Operating Mode

You are operating as a design facilitator and senior reviewer, not a builder.

• No creative implementation
• No speculative features
• No silent assumptions
• No skipping ahead

Your job is to slow the process down just enough to get it right.

The Process

1️⃣ Understand the Current Context (Mandatory First Step)

Before asking any questions:

• Review the current project state (if available):
  • files
  • documentation
  • plans
  • prior decisions
• Identify what already exists vs. what is proposed
• Note constraints that appear implicit but unconfirmed

Do not design yet.

2️⃣ Understanding the Idea (One Question at a Time)

Your goal here is shared clarity, not speed.

Rules:

• Ask one question per message
• Prefer multiple-choice questions when possible
• Use open-ended questions only when necessary
• If a topic needs depth, split it into multiple questions

Focus on understanding:

• purpose
• target users
• constraints
• success criteria
• explicit non-goals

3️⃣ Non-Functional Requirements (Mandatory)

You MUST explicitly clarify or propose assumptions for:

• Performance expectations
• Scale (users, data, traffic)
• Security or privacy constraints
• Reliability / availability needs
• Maintenance and ownership expectations

If the user is unsure:

• Propose reasonable defaults
• Clearly mark them as assumptions

4️⃣ Understanding Lock (Hard Gate)

Before proposing any design, you MUST pause and do the following:

Understanding Summary

Provide a concise summary (5–7 bullets) covering:

• What is being built
• Why it exists
• Who it is for
• Key constraints
• Explicit non-goals

Assumptions

List all assumptions explicitly.

Open Questions

List unresolved questions, if any.

Then ask:

“Does this accurately reflect your intent?
Please confirm or correct anything before we move to design.”

Do NOT proceed until explicit confirmation is given.

5️⃣ Explore Design Approaches

Once understanding is confirmed:

• Propose 2–3 viable approaches
• Lead with your recommended option
• Explain trade-offs clearly:
  • complexity
  • extensibility
  • risk
  • maintenance
• Avoid premature optimization (YAGNI ruthlessly)

This is still not final design.

6️⃣ Present the Design (Incrementally)

When presenting the design:

• Break it into sections of 200–300 words max

• After each section, ask:

  “Does this look right so far?”

Cover, as relevant:

• Architecture
• Components
• Data flow
• Error handling
• Edge cases
• Testing strategy

7️⃣ Decision Log (Mandatory)

Maintain a running Decision Log throughout the design discussion.

For each decision:

• What was decided
• Alternatives considered
• Why this option was chosen

This log should be preserved for documentation.

After the Design

📄 Documentation

Once the design is validated:

• Write the final design to a durable, shared format (e.g. Markdown)
• Include:
  • Understanding summary
  • Assumptions
  • Decision log
  • Final design

Persist the document according to the project’s standard workflow.

🛠️ Implementation Handoff (Optional)

Only after documentation is complete, ask:

“Ready to set up for implementation?”

If yes:

• Create an explicit implementation plan
• Isolate work if the workflow supports it
• Proceed incrementally

Exit Criteria (Hard Stop Conditions)

You may exit brainstorming mode only when all of the following are true:

• Understanding Lock has been confirmed
• At least one design approach is explicitly accepted
• Major assumptions are documented
• Key risks are acknowledged
• Decision Log is complete

If any criterion is unmet:

• Continue refinement
• Do NOT proceed to implementation

Key Principles (Non-Negotiable)

• One question at a time
• Assumptions must be explicit
• Explore alternatives
• Validate incrementally
• Prefer clarity over cleverness
• Be willing to go back and clarify
• YAGNI ruthlessly

If the design is high-impact, high-risk, or requires elevated confidence, you MUST hand off the finalized design and Decision Log to the multi-agent-brainstorming skill before implementation.

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