What problem does it solve? When a plan changes mid-project, OpenSpec change artifacts (proposals, designs, specs, tasks) drift out of sync with each other. This Skill revises the existing artifacts of an OpenSpec change and reconciles them so the plan stays internally consistent, without ever touching implementation code. ## Core Features & Use Cases - Coherence Review: Reads all existing artifacts of a change and detects contradictions, gaps, and duplication between them. - Targeted Revision: Applies a requested edit (e.g., "the design now uses X") and propagates its implications across every other existing artifact, in either direction. - Store-Aware Operation: Supports registered OpenSpec stores via openspec store list --json and a sticky --store <id> flag for all read/write commands. - Use Case: After deciding to switch your booking system's calendar backend, ask the Skill to update the change's design artifact; it will also flag and revise the proposal and tasks that referenced the old backend. ## Quick Start Ask the assistant to update the OpenSpec change named "booking-calendar" so its design reflects the new decision, and confirm each proposed revision before it is written.