feat(coding): add Pi Data Service product tools

shared/coding-conversation-contracts.ts

@@ -1,3 +1,5 @@
+import type { DataServiceToolDetailsV1 } from './data-service';
+
 export type ConversationThinkingLevel = 'off' | 'minimal' | 'low' | 'medium' | 'high';
 
 export interface ProductModelRef {
@@ -192,6 +194,8 @@ export interface RuntimeContextDetailsV1 {
   }>;
 }
 
+export type { DataServiceToolDetailsV1 } from './data-service';
+
 export interface SubagentDetailsV1 {
   schema: 'subagent.v1';
   dispatchId: string;
@@ -214,6 +218,7 @@ export type KnownToolDetails =
   | AgentBrowserDetailsV1
   | GameAssetsDetailsV1
   | RuntimeContextDetailsV1
+  | DataServiceToolDetailsV1
   | SubagentDetailsV1;
 
 export interface ConversationToolNode {