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Will Miao
e9e9ee20c6
A collection repository publishes many model files under a single source id, but enrichment re-read the README and the model-detail payload for every one of them: eight checkpoints meant sixteen HTTP requests, each detail payload being 10-22 KB of JSON. Add `ModelSourceCache`, created by `execute_skill()` for the duration of a run and passed to the provider through a new optional `cache` argument on `fetch_model_card_context()`. The agent caches the README (repository-wide and provider-agnostic), and ModelScope caches its detail payload under a provider-namespaced key. Only successful reads are memoised, so a transient failure is still retried for the next file, and the per-file selection is redone from the cached payload so a checkpoint never inherits a sibling's example images. Nothing is retained across runs — a model card can change at any time — and download URLs are not routed through the cache. Measured over the eight checkpoints of one ModelScope repository: 16 requests before, 2 after. To keep the two concerns separable, `_build_card_context()` now turns a detail payload into a `ModelCardContext` as a pure function.