feat(telemetry): add system metrics collection (#1435)

* feat(telemetry): add system metrics collection

Add periodic CPU and memory telemetry sampling with warmup capture, lifecycle cleanup, and tests.

* fix(telemetry): attach prompt session to system metrics

apps/kimi-code/src/cli/run-prompt.ts

@@ -179,6 +179,7 @@ export async function runPrompt(
       version,
       uiMode: PROMPT_UI_MODE,
       model: telemetryModel,
+      sessionId: session.id,
     });
     setCrashPhase('runtime');
 

apps/kimi-code/src/cli/telemetry.ts

@@ -32,6 +32,7 @@ export interface InitializeCliTelemetryOptions {
   readonly version: string;
   readonly uiMode: string;
   readonly model?: string;
+  readonly sessionId?: string;
 }
 
 export function createCliTelemetryBootstrap(): CliTelemetryBootstrap {
@@ -54,6 +55,7 @@ export function initializeCliTelemetry(options: InitializeCliTelemetryOptions):
     version: options.version,
     uiMode: options.uiMode,
     model: options.model ?? options.config.defaultModel,
+    sessionId: options.sessionId,
     getAccessToken: async () =>
       (await options.harness.auth.getCachedAccessToken(KIMI_CODE_PROVIDER_NAME)) ?? null,
   });

apps/kimi-code/test/cli/export.test.ts

@@ -412,6 +412,7 @@ describe('kimi export', () => {
       version: expect.any(String),
       uiMode: 'shell',
       model: 'k2',
+      sessionId: undefined,
       getAccessToken: expect.any(Function),
     });
     expect(mocks.initializeTelemetry.mock.invocationCallOrder[0]).toBeLessThan(

apps/kimi-code/test/cli/run-prompt.test.ts

@@ -217,6 +217,9 @@ describe('runPrompt', () => {
     expect(mocks.session.prompt).toHaveBeenCalledWith('say hello');
     expect(stdout.text()).toBe('• hello world\n\n');
     expect(stderr.text()).toBe('To resume this session: kimi -r ses_prompt\n');
+    expect(mocks.initializeTelemetry).toHaveBeenCalledWith(
+      expect.objectContaining({ sessionId: 'ses_prompt' }),
+    );
     expect(mocks.shutdownTelemetry).toHaveBeenCalled();
     expect(mocks.harnessClose).toHaveBeenCalled();
   });

apps/kimi-code/test/cli/run-shell.test.ts

@@ -213,6 +213,7 @@ describe('runShell', () => {
       version: '1.2.3-test',
       uiMode: 'shell',
       model: 'k2',
+      sessionId: undefined,
       getAccessToken: expect.any(Function),
     });
     expect(mocks.setCrashPhase).toHaveBeenCalledWith('runtime');