Use when SvelteKit application workflows exchanges state or data with another component and the handoff needs to be verified. Produce an integration-parity trace for SvelteKit application workflows showing source, transformation, destination, and observed result. Success means each material field or state transition has a traceable mapping and observed mismatches are separated from assumptions. The review is bounded to server/client execution boundaries, route data, form handling, and secret isolation. Use only authorized local evidence, version-matched authoritative references, and synthetic or approved fixtures. Do not install tools, expose credentials, change live syst…