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Module evidence

Module evidence 

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Evidence schema โ€” an attributable claim with a confidence score and source.

Research agents must attribute statements to sources and weigh how strongly a source supports a statement. Claim is the shared, serializable unit for that: it is produced by the research-compression modes of crate::core::web (facts / quotes carry confidence + source) and can be attached to provider results via ProviderItem::claims, so evidence flows through the same consolidation pipeline as everything else.

The distillation is deterministic and extractive (no LLM in the loop), so the claim text is itself the verbatim supporting span โ€” there is no separate paraphrase-vs-quote distinction to model.

Structsยง

Claim
A single attributable claim distilled from a source.