extract_quantities_and_units v1

Output: { "quantities": [ { "value", "unit", "symbol" } ] }.

Failure modes

• TransportFailure — chat transport errors.
• ParseFailure — assistant output not valid JSON.
• SchemaFailure — input or output rejected vs contract schemas.
• GatewayFailure — upstream/provider errors.

Verification

Task-internal validation and JSON schema checks per contract.json verification_policy.

Changelog

• v1 — Maintained in catalog; see git history for semantic changes.