## 1. Implementation
- [x] 1.1 Add OpenSpec proposal and spec deltas for ComfyUI local image engine.
- [x] 1.2 Add local ComfyUI status, models, templates, and generate-image APIs.
- [x] 1.3 Add ComfyUI task runner that submits workflow JSON and collects output images.
- [x] 1.4 Add frontend runtime client types/functions.
- [x] 1.5 Add Model Center ComfyUI engine status and template controls.
- [x] 1.6 Add a workbench entry for ComfyUI image generation that writes to task center and media library.

## 2. Validation
- [x] 2.1 Run `node --check scripts/truegrowth-local-api.mjs`.
- [x] 2.2 Run `pnpm nx run web:typecheck`.
- [x] 2.3 Record build status or known blockers.