feat: add app_context_changed event type

packages/types/src/events/app.ts

@@ -217,6 +217,41 @@ export interface AppRateLimitedEvent {
 // export interface AppRateLimitedEvent {
 // }
 
+export interface AppContextChangedEvent {
+  type: 'app_context_changed';
+  channel: string;
+  user: string;
+  context: {
+    entities: ((
+      | {
+          type: 'slack#/types/channel_id';
+          value: string;
+        }
+      | {
+          type: 'slack#/types/canvas_id';
+          value: string;
+        }
+      | {
+          type: 'slack#/types/list_id';
+          value: string;
+        }
+      | {
+          type: 'slack#/types/message_context';
+          value: {
+            message_ts: string;
+            channel_id?: string;
+            user_id?: string;
+          };
+        }
+    ) & {
+      score?: number;
+      team_id?: string;
+      enterprise_id?: string;
+    })[];
+  };
+  event_ts: string;
+}
+
 export interface AppUninstalledEvent {
   type: 'app_uninstalled';
 }

packages/types/src/events/index.ts

@@ -1,4 +1,5 @@
 import type {
+  AppContextChangedEvent,
   AppDeletedEvent,
   AppHomeOpenedEvent,
   AppInstalledEvent,
@@ -120,6 +121,7 @@ export * from './user';
  * This is a discriminated union. The discriminant is the `type` property.
  */
 export type SlackEvent =
+  | AppContextChangedEvent
   | AppDeletedEvent
   | AppHomeOpenedEvent
   | AppInstalledEvent

packages/types/src/events/message.ts

@@ -1,6 +1,7 @@
 import type { Block, KnownBlock } from '../block-kit/blocks';
 import type { BotProfile } from '../common/bot-profile';
 import type { MessageAttachment } from '../message-attachments';
+import type { AppContextChangedEvent } from './app';
 
 type ChannelTypes = 'channel' | 'group' | 'im' | 'mpim' | 'app_home';
 
@@ -60,6 +61,8 @@ export interface GenericMessageEvent {
 
   // TODO: add properties to this field once it's publicly released
   assistant_thread?: Record<string, unknown>;
+
+  app_context?: AppContextChangedEvent['context'];
 }
 
 export interface BotMessageEvent {

packages/web-api/src/types/request/assistant.ts

@@ -34,7 +34,7 @@ export interface AssistantThreadsSetSuggestedPromptsArguments extends TokenOverr
   /** @description Prompt suggestions that appear when opening assistant thread. */
   prompts: AssistantPrompt[];
   /** @description Message timestamp of the thread. */
-  thread_ts: string;
+  thread_ts?: string;
   /** @description Title for the prompts. */
   title?: string;
 }