Image Generation Skill Generate illustration images for blog posts, documentation, and technical articles. The workflow is provider-aware: 1. Codex built-in path first — when the current agent is Codex and the built-in tool is available, use it directly. This path does not require . 2. OpenAI API fallback — outside Codex, or when the built-in tool is unavailable, use the local script with if present. 3. Gemini fallback — if OpenAI API generation is unavailable or fails, use the same script with and the existing Gemini image model. Load provider-specific references only when needed: - Codex bu…