What problem does it solve? When a task finishes, the knowledge it produced risks dying in the chat or the diff. This Skill reads the completed task delta with fresh context and drafts a structured digest of what should be promoted into the repository's durable knowledge base, so project context accumulates instead of evaporating. ## Core Features & Use Cases - Delta-Based Capture: Reads the diff, commit messages, and the task progress log to identify durable knowledge (rules, decisions, discoveries) worth promoting, applying a why-only filter that excludes code-owned facts. - Supersede and Contradict Detection: Flags existing durable docs the delta makes stale and surfaces contradictions against standing invariants, rules, or decisions as blockers or reversal candidates. - Standing-Draft Refresh: Reconciles an existing digest draft against new work minimally, settling moved-against bullets by user authority rather than silently discarding them. - Use Case: After finishing a multi-commit feature task, run cairn:digest to get a proposed digest of captures, doc scrubs, and conflicts that finalize will later apply to the knowledge base. ## Quick Start Ask the agent to run cairn:digest to produce a fresh-context digest of the current task delta before finalization.
