ce-imagelisted

# Featured image 1. Input: a draft file. Derive: post title, one visual concept (no text-heavy design; title as overlay text max 8 words), site brand colors if the profile records them. 2. If the Canva connector is available: generate a 1200x630 design with the title text + brand colors, export as PNG, save next to the draft as <slug>-featured.png. Present it; regenerate on request (max 3 rounds). 3. Without Canva: write <slug>-image-brief.md next to the draft - dimensions 1200x630, concept description, exact overlay text, alt text - so the user can produce it in any tool. State plainly that no image was generated. 4. Always write the alt text into the draft frontmatter (alt: ...). 5. Steps 2-3 are the image-generation slot (ADR-0009) - Canva is the adapter today; see CONTRIBUTING.md's "Contributing an image-generation adapter" to add Gemini or a local generator.