feat(api): add POST /v1/images/upscale endpoint#10227
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petechentw wants to merge 2 commits into
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Add a new image upscaling endpoint that accepts a source image and returns an upscaled version. Supports selectable upscaler models (e.g. realesrgan) and a configurable scale factor (2x or 4x). - backend.proto: add UpscaleImage RPC and UpscaleImageRequest message - pkg/grpc: implement UpscaleImage in Backend interface, client, server and embed shim - core/backend/upscale.go: new backend helper (mirrors ImageGeneration) - core/http/endpoints/openai/upscale.go: new multipart/form-data handler - core/http/routes/openai.go: register POST /v1/images/upscale - core/http/auth/features.go: gate upscale routes under FeatureImages - backend/python/diffusers/backend.py: implement UpscaleImage — uses diffusers upscale pipeline when loaded, falls back to Lanczos resize
All Go backends embedding Base now satisfy the AIModel interface without needing to implement UpscaleImage explicitly.
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@petechentw that's a good addition. thanks. Two things:
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Summary
Adds a new `/v1/images/upscale` endpoint for upscaling images via LocalAI backends.
Changes
Usage
```bash
curl -X POST http://localhost:8080/v1/images/upscale
-F model=realesrgan
-F scale=4
-F image=@input.png
```
Test
Verified locally: server starts and `POST /v1/images/upscale` responds with `400` (missing params) instead of `404`, confirming the route is correctly registered.