What problem does it solve? Project teams often move from a signed backlog and roadmap straight into development without a formal decomposition of scope, leaving work unassigned, dependencies invisible, and coverage gaps undetected. This Skill produces a signed, traceable Work Breakdown Structure that closes Phase 6 (Planning) and gates entry into Governance. ## Core Features & Use Cases - Hierarchical WBS generation: Decomposes project scope into phases, deliverables, and work packages following the 100% rule, mutual exclusivity, and the 8/80 sizing rule. - WBS dictionary: Produces detailed work package entries with owners, dependencies, acceptance criteria, and effort estimates. - Signature-gated validation: Enforces nine validation rules (signed prerequisites, canonical output path, no placeholders, correct document ID, approval authority row) before the Project Manager can sign off. - Use Case: After the backlog, roadmap, and Software Architecture Document are signed, run this Skill to produce documentation/06-planning/work-breakdown-structure.md plus a sources file, unlocking the governance-doc skill. ## Quick Start Ask the agent to generate the Work Breakdown Structure for the current project once the backlog, roadmap, and architecture documents are signed.