TrueGrowth/openspec/changes/add-local-image-provider/proposal.md

Change: Add local image provider support

Why

TrueGrowth already supports online provider profiles for image generation, but users also need locally running OpenAI-compatible image services to appear in the same model selector and canvas generation flow.

What Changes

• Add a local image provider template for OpenAI-compatible /v1/models and /v1/images/generations services.
• Allow local provider discovery and invocation without an API key.
• Route local image models through the existing generic OpenAI-compatible image adapter.
• Extend Model Center with a dedicated image category, official model entries, local install/import state, realtime /v1/models status, and an "apply to image generation" action.
• Document recommended local runtimes and model choices without introducing ComfyUI in this change.

Impact

• Affected specs: runtime-model-discovery, provider-routing, image-generation
• Affected code: provider settings dialog, provider profile normalization, runtime model discovery, provider transport, generic image adapter request body, local runtime model assets, Model Center UI