feat: cn serve boolean (#8005)

* feat: cn serve boolean

* capture sessionStart for cn serve

Author: sestinj

extensions/cli/src/commands/serve.ts

@@ -2,6 +2,8 @@ import chalk from "chalk";
 import type { ChatHistoryItem } from "core/index.js";
 import express, { Request, Response } from "express";
 
+import { posthogService } from "src/telemetry/posthogService.js";
+
 import { getAccessToken, getAssistantSlug } from "../auth/workos.js";
 import { runEnvironmentInstallSafe } from "../environment/environmentHandler.js";
 import { processCommandFlags } from "../flags/flagProcessor.js";
@@ -42,6 +44,8 @@ interface ServeOptions extends ExtendedCommandOptions {
 
 // eslint-disable-next-line max-statements
 export async function serve(prompt?: string, options: ServeOptions = {}) {
+  await posthogService.capture("sessionStart", {});
+
   // Check if prompt should come from stdin instead of parameter
   let actualPrompt = prompt;
   if (!prompt) {

extensions/cli/src/telemetry/posthogService.ts

@@ -5,7 +5,7 @@ import node_machine_id from "node-machine-id";
 import type { PostHog as PostHogType } from "posthog-node";
 
 import { isAuthenticatedConfig, loadAuthConfig } from "../auth/workos.js";
-import { isHeadlessMode } from "../util/cli.js";
+import { isHeadlessMode, isServe } from "../util/cli.js";
 import { isGitHubActions } from "../util/git.js";
 import { logger } from "../util/logger.js";
 import { getVersion } from "../version.js";
@@ -95,6 +95,7 @@ export class PosthogService {
         ideType: "cli",
         isHeadless: isHeadlessMode(),
         isGitHubCI: isGitHubActions(),
+        isServe: isServe(),
       };
       const payload = {
         distinctId: this.uniqueId,

extensions/cli/src/util/cli.ts

@@ -9,3 +9,7 @@ export function isHeadlessMode(): boolean {
   const args = process.argv.slice(2);
   return args.includes("-p") || args.includes("--print");
 }
+
+export function isServe(): boolean {
+  return process.argv?.includes("serve") ?? false;
+}