Function transaction

packages/core/sdk/src/executor.ts:1668–1668

(effect: Effect.Effect<A, E>)

    const core = makeCoreDb(fuma);
    const blobs = config.blobs ?? makeFumaBlobStore(fuma);
    const transaction = <A, E>(effect: Effect.Effect<A, E>) => fuma.transaction(effect);

    // Runtime-observed output shapes ("muscle memory"): learned on the
    // execute success path, served by tools.schema when a tool declares no