OpenSpec (OPSX) Skill Use this skill to guide or reason about the OpenSpec artifact-driven workflow system (OPSX), including artifact graphs, schema/template resolution, change lifecycle, and experimental commands/skills. Quick Navigation - Artifact graph core concepts: references/artifact-core.md - OPSX workflow behavior and usage: references/opsx-workflow.md - Setup + profiles (init, update, config profile): references/setup-profiles.md - Schema customization workflow and gaps: references/schema-customization.md - End-to-end schema workflow gaps and proposed solution: references/schema-work…