feat(conversation): replicate table quote-to-chat action (TODO 02)

src/shared/types.ts

@@ -6,7 +6,7 @@
  */
 
 /** 会话内的一条消息（对外视图） */
-import type { ArtifactContent, ChatAttachment, ChatInteraction, PlanContent, TaskContent } from './conversation'
+import type { ArtifactContent, ChatAttachment, ChatInteraction, MessageQuote, PlanContent, TaskContent } from './conversation'
 
 export interface ChatMessage {
   id: string
@@ -18,6 +18,8 @@ export interface ChatMessage {
   parts?: MessagePart[]
   attachments?: ChatAttachment[]
   resources?: string[]
+  /** 发送时引用进对话的表格等内容块快照（WorkBuddy messageQuote）。 */
+  quotes?: MessageQuote[]
   skills?: Array<{ id: string; name: string; uri: string }>
   /** Native-history reconstruction; never includes connector credentials. */
   capabilityContext?: string