Classify ideation input, run structural classification, seed fractal ideation folders, and persist engagement/expansion mode
.claude/skills/prd-templates/references/input-classification.md..claude/skills/idea-extraction/SKILL.md and run mode-specific path:
idea-extraction/SKILL.md.single-surfacemulti-surface-sharedmulti-product-hubmulti-product-peer
into .memory/wiki/specs/ideation/ideation-index.md under ## Structural Classification..claude/skills/prd-templates/references/folder-seeding-protocol.md.{slug}-index.md, {slug}-cx.md, feature leaves)..memory/wiki/specs/ideation/.gitkeep and .memory/wiki/specs/ideation/README.md remain present.## Engagement Tier to ideation index immediately.## Expansion Mode to ideation index immediately.idea-extraction methodology for downstream exploration.resolve-ambiguity for reactive ambiguity handling.ideate-discover