telemetry: track interactive session state (#12856)

Co-authored-by: owenofbrien <86964623+owenofbrien@users.noreply.github.com>

packages/core/src/tools/smart-edit.test.ts

@@ -117,6 +117,7 @@ describe('SmartEditTool', () => {
       getGeminiMdFileCount: () => 0,
       setGeminiMdFileCount: vi.fn(),
       getToolRegistry: () => ({}) as any,
+      isInteractive: () => false,
     } as unknown as Config;
 
     (mockConfig.getApprovalMode as Mock).mockClear();