feat(telemetry): Add extension name to ToolCallEvent telemetry (#12343)

Co-authored-by: Shnatu <snatu@google.com>

packages/core/src/tools/mcp-client.ts

@@ -628,6 +628,7 @@ export async function discoverTools(
           mcpServerConfig.trust,
           undefined,
           cliConfig,
+          mcpServerConfig.extension?.name,
           mcpServerConfig.extension?.id,
           messageBus,
         );

packages/core/src/tools/mcp-tool.ts

@@ -218,6 +218,7 @@ export class DiscoveredMCPTool extends BaseDeclarativeTool<
     readonly trust?: boolean,
     nameOverride?: string,
     private readonly cliConfig?: Config,
+    override readonly extensionName?: string,
     override readonly extensionId?: string,
     messageBus?: MessageBus,
   ) {
@@ -230,6 +231,7 @@ export class DiscoveredMCPTool extends BaseDeclarativeTool<
       true, // isOutputMarkdown
       false, // canUpdateOutput,
       messageBus,
+      extensionName,
       extensionId,
     );
   }
@@ -244,6 +246,7 @@ export class DiscoveredMCPTool extends BaseDeclarativeTool<
       this.trust,
       `${this.serverName}__${this.serverToolName}`,
       this.cliConfig,
+      this.extensionName,
       this.extensionId,
       this.messageBus,
     );

packages/core/src/tools/tools.ts

@@ -306,6 +306,7 @@ export abstract class DeclarativeTool<
     readonly isOutputMarkdown: boolean = true,
     readonly canUpdateOutput: boolean = false,
     readonly messageBus?: MessageBus,
+    readonly extensionName?: string,
     readonly extensionId?: string,
   ) {}