Core

• Spec — Living documents for business requirements
• Brief — Immutable design decision records
• ADR — Architecture Decision Records with acceptance workflow
• Decision Trail — Text-level change history with edit reasons

Collaboration

• Threaded comments with @mentions
• Ready Flag — designer and developer sign-off on Specs
• Stale flag — automatic staleness tracking when dependencies change

Search

• Full-text search with CJK support

Integrations (Pro)

• GitHub, Jira, Confluence embeds
• Decision Map