{"ok":true,"commandType":"read-field-catalog","module":"Startup / Account Book","mode":"read","summary":"Read field catalog so humans and AI know read/write/native/guarded fields.","payloadSchema":{"module":"optional module filter","document":"optional document filter","refresh":"optional boolean to refresh cached catalog"},"examplePayload":{"module":"Purchase","document":"purchase-invoice"},"notes":"Intelligent Connector Flow step 2. Returns catalogVersion, cache, modules, documents, fields, mode, and source. Schema: /v1/schema/commands/read-field-catalog","nativePayload":{"supported":false,"sections":[{"name":"Master","fields":[]},{"name":"Details","fields":[]},{"name":"KnockOffDetails","fields":[]},{"name":"TransferDetails","fields":[]},{"name":"PaymentDetails","fields":[]},{"name":"Options","fields":[]}]}}