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Author SHA1 Message Date
Ayman Kamal
13b474c56e fix: send correct resolution param to xAI image generation API 
The xAI /v1/images/generations endpoint expects resolution as a
literal string ('1k' or '2k'), not the numeric value ('1024').

- Change _XAI_RESOLUTIONS from a dict mapping to a validation set
- Use the resolution key directly instead of the mapped value
- Fall back to DEFAULT_RESOLUTION on invalid config values

Fixes 422 Unprocessable Entity errors when resolution was sent.
 2026-05-09 13:07:46 -07:00
Cameron Aragon
239ea1bdea fix(image-gen): preserve xAI API error status 2026-05-04 04:43:07 -07:00
teknium1
9599271180 fix(xai-image): drop unreachable editing code path 
The agent-facing image_generate tool only passes prompt + aspect_ratio to
provider.generate() (see tools/image_generation_tool.py:953). The editing
block (reference_images / edit_image kwargs) could never fire from the
tool surface, and the xAI edits endpoint is /images/edits with a
different payload shape anyway — not /images/generations as submitted.

- Remove reference_images / edit_image kwargs handling from generate()
- Remove matching test_with_reference_images case
- Update docstring + plugin.yaml description to text-to-image only
- Surface resolution in the success extras

Follow-up to PR #14547. Tests: 18/18 pass.
 2026-04-23 15:13:34 -07:00
Julien Talbot
a5e4a86ebe feat(xai): add xAI image generation provider (grok-imagine-image) 
Add xAI as a plugin-based image generation backend using grok-imagine-image.
Follows the existing ImageGenProvider ABC pattern used by OpenAI and FAL.

Changes:
- plugins/image_gen/xai/__init__.py: xAI provider implementation
  - Uses xAI /images/generations endpoint
  - Supports text-to-image and image editing with reference images
  - Multiple aspect ratios (1:1, 16:9, 9:16, 4:3, 3:4, 3:2, 2:3)
  - Multiple resolutions (1K, 2K)
  - Base64 output saved to cache
  - Config via config.yaml image_gen.xai section
- plugins/image_gen/xai/plugin.yaml: plugin metadata
- tests/plugins/image_gen/test_xai_provider.py: 19 unit tests
  - Provider class (name, display_name, is_available, list_models, setup_schema)
  - Config (default model, resolution, custom model)
  - Generate (missing key, success b64/url, API error, timeout, empty response, reference images, auth header)
  - Registration

Requires XAI_API_KEY in ~/.hermes/.env.
To use: set image_gen.provider: xai in config.yaml.
 2026-04-23 15:13:34 -07:00