canva-core-workflow-a

# Canva Core Workflow A — Design Creation & Export ## Overview The primary Canva integration workflow: create designs via the REST API, let users edit them in Canva's editor, then export finished designs as PDF/PNG/JPG for downstream use (email campaigns, social posts, print orders). ## Prerequisites - Completed `canva-install-auth` setup with valid access token - Scopes: `design:content:write`, `design:content:read`, `design:meta:read` ## Instructions ### Step 1: Create a Design ```typescript // POST https://api.canva.com/rest/v1/designs // Rate limit: 20 req/min per user // Scope: design:content:write interface CreateDesignRequest { design_type: | { type: 'preset'; name: 'doc' | 'whiteboard' | 'presentation' } | { type: 'custom'; width: number; height: number }; // 40-8000 px title?: string; // 1-255 characters asset_id?: string; // Image asset to insert } // Create a social media post (custom dimensions) const { design } = await canvaAPI('/designs', token, { method: 'POST', body: JSON.stringify({ design_type: { type: 'custom', width: 1080, height: 1080 }, title: 'Instagram Post — Q1 Campaign', }), }); // design.id — unique identifier for all future operations // design.urls.edit_url — redirect user here to edit (expires 30 days) // design.urls.view_url — read-only link (expires 30 days) // design.thumbnail.url — preview image (expires 15 minutes) ``` **Note:** Blank designs are auto-deleted after 7 days if never edited. ### Step...