refactor: unify streaming

Signed-off-by: Sebastian Krupinski <krupinski01@gmail.com>

src/types/common.ts

@@ -43,6 +43,47 @@ export interface ApiErrorResponse {
  */
 export type ApiResponse<T = any> = ApiSuccessResponse<T> | ApiErrorResponse;
 
+/**
+ * Stream control start line
+ */
+export interface ApiStreamStartResponse {
+  type: 'control';
+  status: 'start';
+  version: number;
+  transaction: string;
+}
+
+/**
+ * Stream control end line
+ */
+export interface ApiStreamEndResponse {
+  type: 'control';
+  status: 'end';
+  total: number;
+}
+
+/**
+ * Stream error line
+ */
+export interface ApiStreamErrorResponse {
+  type: 'error';
+  message: string;
+}
+
+export interface ApiStreamDataResponse<T = any> {
+  type: 'data';
+  data: T;
+}
+
+/**
+ * Shared stream control lines
+ */
+export type ApiStreamResponse<T = any> =
+  | ApiStreamStartResponse
+  | ApiStreamEndResponse
+  | ApiStreamErrorResponse
+  | ApiStreamDataResponse<T>;
+
 /**
  * Selector for targeting specific providers, services, collections, or entities in list or extant operations.
  * 

src/types/entity.ts

@@ -1,7 +1,12 @@
 /**
  * Entity type definitions
  */
-import type { SourceSelector, ListFilter, ListSort, ListRange } from './common';
+import type {
+  ListFilter,
+  ListRange,
+  ListSort,
+  SourceSelector,
+} from './common';
 import type { MessageInterface } from './message';
 
 /**
@@ -169,29 +174,4 @@ export interface EntityStreamRequest {
   range?: ListRange;
 }
 
-export interface EntityStreamMetaLine {
-  type: 'meta';
-  version: number;
-  transaction: string;
-  status: 'success';
-}
-
-export interface EntityStreamEntityLine extends EntityInterface<MessageInterface> {
-  type: 'entity';
-}
-
-export interface EntityStreamDoneLine {
-  type: 'done';
-  total: number;
-}
-
-export interface EntityStreamErrorLine {
-  type: 'error';
-  message: string;
-}
-
-export type EntityStreamLine =
-  | EntityStreamMetaLine
-  | EntityStreamEntityLine
-  | EntityStreamDoneLine
-  | EntityStreamErrorLine;
+export interface EntityStreamResponse extends EntityInterface<MessageInterface> {}

src/types/service.ts

@@ -1,7 +1,10 @@
 /**
  * Service type definitions
  */
-import type { SourceSelector, ListFilterComparisonOperator } from './common';
+import type {
+  ListFilterComparisonOperator,
+  SourceSelector,
+} from './common';
 
 /**
  * Service capabilities
@@ -130,7 +133,8 @@ export interface ServiceDiscoverRequest {
 }
 
 export interface ServiceDiscoverResponse {
-  [provider: string]: ServiceLocation;  // Uses existing ServiceLocation discriminated union
+  provider: string;
+  location: ServiceLocation;
 }
 
 /**