feat(#3996): resolve image output capability from models.dev - #4019
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aheritier wants to merge 2 commits into
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feat(#3996): resolve image output capability from models.dev#4019aheritier wants to merge 2 commits into
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Add ModelConfig.OutputCapabilities (output_capabilities.image in YAML), a latest-only tri-state override for a model's generative output capability. An explicit true or false is authoritative; an omitted flag is left for the models.dev resolver introduced by the following commit. No capability is ever inferred from the model name. Reject output_capabilities on first_available selectors because one block cannot unambiguously describe every candidate. Update the schema, model docs, and example, and cover YAML round trips, shorthand behavior, cloning, schema strictness, and selector validation.
Resolve an omitted output_capabilities.image flag from the model's models.dev output modalities, matching modality names case-insensitively. Explicit true or false overrides remain authoritative, while a missing store or catalogue record conservatively disables image output. Wire the resolver through provider base configuration, update schema and model documentation, and cover catalogue hits, misses, nil stores, and override precedence.
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What
Resolves Gemini image-output capability from models.dev, wires it into model/config validation, and documents/examples the capability.
Why
Allows image-output configuration to be validated from authoritative model metadata instead of hard-coded assumptions.
Validation
task test; config, schema, modelinfo, capability-resolution, and output-capability tests.Test instructions
Run:
task testUse
examples/gemini_image_output.yamlwith a Gemini model that advertises image output, then repeat with a model that does not. Expected: the capable model configuration is accepted and the incapable model configuration is rejected with a clear validation error.