Cli logs become posthog events. Pass cli logger through sdk

Author: jahooma

cli/src/utils/codebuff-client.ts

@@ -76,6 +76,7 @@ export async function getCodebuffClient(): Promise<CodebuffClient | null> {
         apiKey,
         cwd: projectRoot,
         agentDefinitions,
+        logger,
         overrideTools: {
           ask_user: async (input: ClientToolCall<'ask_user'>['input']) => {
             const askUserResponse = await AskUserBridge.request(

cli/src/utils/logger.ts

@@ -1,10 +1,12 @@
 import { appendFileSync, existsSync, mkdirSync, unlinkSync } from 'fs'
 import path, { dirname } from 'path'
 import { format as stringFormat } from 'util'
+import { pino } from 'pino'
 
 import { env, IS_DEV, IS_TEST, IS_CI } from '@codebuff/common/env'
 import { createAnalyticsDispatcher } from '@codebuff/common/util/analytics-dispatcher'
-import { pino } from 'pino'
+import { AnalyticsEvent } from '@codebuff/common/constants/analytics-events'
+import { getAnalyticsEventId } from '@codebuff/common/util/analytics-log'
 
 import {
   flushAnalytics,
@@ -145,6 +147,18 @@ function sendAnalyticsAndLog(
     })
   }
 
+  // Send all log events to PostHog in production for better observability
+  // Skip if the log already has an eventId (to avoid duplicate tracking)
+  const hasEventId = includeData && getAnalyticsEventId(normalizedData) !== null
+  if (!IS_DEV && !IS_TEST && !IS_CI && !hasEventId) {
+    trackEvent(AnalyticsEvent.CLI_LOG, {
+      level,
+      msg: stringFormat(normalizedMsg ?? '', ...args),
+      ...(includeData ? { data: normalizedData } : {}),
+      ...loggerContext,
+    })
+  }
+
   // In dev mode, use appendFileSync for real-time logging (Bun has issues with pino sync)
   // In prod mode, use pino for better performance
   if (IS_DEV && logPath) {

common/src/constants/analytics-events.ts

@@ -125,4 +125,7 @@ export enum AnalyticsEvent {
 
   // Common
   FLUSH_FAILED = 'common.flush_failed',
+
+  // Client Logging - for sending logger events to PostHog in production
+  CLI_LOG = 'cli.log',
 }

sdk/src/impl/agent-runtime.ts

@@ -81,12 +81,7 @@ export function getAgentRuntimeImpl(
     trackEvent,
 
     // Other
-    logger: logger ?? {
-      info: () => {},
-      debug: () => {},
-      warn: () => {},
-      error: () => {},
-    },
+    logger: logger ?? noopLogger,
     fetch: globalThis.fetch,
 
     // Client (WebSocket)
@@ -101,3 +96,10 @@ export function getAgentRuntimeImpl(
     apiKey,
   }
 }
+
+const noopLogger: Logger = {
+  debug: () => {},
+  info: () => {},
+  warn: () => {},
+  error: () => {},
+}