feat(coding): add Main Data Service Host adapter

shared/data-service.ts

@@ -0,0 +1,96 @@
+export type DataServiceUsage = {
+  document_count: number;
+  total_bytes: number;
+};
+
+export type DataServiceCollection = {
+  name: string;
+  document_count: number;
+  total_bytes: number;
+  created_at: string;
+};
+
+export type DataServiceLimits = {
+  max_collections: number;
+  max_documents: number;
+  max_total_bytes: number;
+  max_document_bytes: number;
+  list_default_limit: number;
+  list_max_limit: number;
+  list_max_data_bytes: number;
+  mutations_per_minute: number;
+};
+
+export type DataServiceInstanceState = {
+  instance_id: string;
+  project_id: string;
+  collections: DataServiceCollection[];
+  usage: DataServiceUsage;
+  limits: DataServiceLimits;
+  created_at: string;
+  updated_at: string;
+};
+
+export type DataServiceInstanceList = {
+  items: DataServiceInstanceState[];
+  total: number;
+  instance_limit: number;
+};
+
+export type DataServiceCollectionRemoval = {
+  removed: boolean;
+  usage: DataServiceUsage;
+};
+
+export type DataServiceInstanceRemoval = {
+  removed: boolean;
+};
+
+export type DataServiceDocument = {
+  id: string;
+  data: Record<string, unknown>;
+  revision: number;
+  created_at: string;
+  updated_at: string;
+};
+
+export type DataServiceDocumentList = {
+  items: DataServiceDocument[];
+  next_cursor: string | null;
+  limit: number;
+};
+
+export type DataServiceErrorContext = Record<string, string | number>;
+
+export type DataServiceHostResult<T> = {
+  success: boolean;
+  status: number;
+  code: string | null;
+  error: string | null;
+  retryable: boolean;
+  retry_after_seconds?: number;
+  context?: DataServiceErrorContext;
+  data: T | null;
+};
+
+export type DataServicePutDocumentInput = {
+  collection: string;
+  document_id: string;
+  data: Record<string, unknown>;
+  if_revision?: number;
+};
+
+export type DataServiceDocumentTargetInput = {
+  collection: string;
+  document_id: string;
+  if_revision?: number;
+};
+
+export type DataServiceCollectionTargetInput = {
+  collection: string;
+  confirmed: true;
+};
+
+export type DataServiceConfirmationInput = {
+  confirmed: true;
+};