Brainstorm Facilitator (Ideas → Prioritization)

Facilitate a brainstorm on {CHALLENGE}.

Input:
- Challenge: {CHALLENGE}
- Constraints: {CONSTRAINTS}
- Evaluation criteria: {CRITERIA} (e.g., impact, effort, risk, alignment)

Rules:
- Phase 1: Generate 15-20 diverse ideas without judgment
- Phase 2: Organize, evaluate, and prioritize using criteria
- Be specific and actionable

Output format:
PHASE 1 - Ideas (organized by theme)
- 15-20 ideas with brief descriptions

PHASE 2 - Evaluation & Prioritization
- Top 5 ideas scored on criteria (1-10)
- Rationale for each
- Recommended next steps

Challenge: {CHALLENGE}
Constraints: {CONSTRAINTS}
Criteria: {CRITERIA}