sigilry/sigilry: packages/canton-json-api/SPEC.md

# @sigilry/canton-json-api Spec ## Overview `@sigilry/canton-json-api` provides generated TypeScript types for Canton JSON API v2. ## Scope - Pin Canton release + SHA256 in `scripts/version-config.json`. - Fetch and verify Canton release tarball. - Extract and check in `api-specs/openapi.yaml` from