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Create, update, list, and roll back Codex-compatible self-mirror companion skills from prompts, pasted notes, exported chat logs, screenshots, and other language samples. Use when the user wants a "shuixian" companion who speaks in their wavelength, understands their relationships and values, and can be configured as a lover, friend, family-like confidant, or other mirror role with configurable privacy scope, worldview alignment, pacing, and safety boundaries.