Simplify inert analytics compatibility layer

src/services/analytics/config.ts

@@ -2,7 +2,7 @@
  * Shared analytics configuration
  *
  * Common logic for determining when analytics should be disabled
- * across all analytics systems (Datadog, 1P)
+ * across the remaining local analytics compatibility surfaces.
  */
 
 import { isEnvTruthy } from '../../utils/envUtils.js'
@@ -31,7 +31,7 @@ export function isAnalyticsDisabled(): boolean {
  *
  * Unlike isAnalyticsDisabled(), this does NOT block on 3P providers
  * (Bedrock/Vertex/Foundry). The survey is a local UI prompt with no
- * transcript data — enterprise customers capture responses via OTEL.
+ * transcript upload in this fork.
  */
 export function isFeedbackSurveyDisabled(): boolean {
   return process.env.NODE_ENV === 'test' || isTelemetryDisabled()

src/services/analytics/index.ts

@@ -1,11 +1,9 @@
 /**
  * Analytics service - public API for event logging
  *
- * This module serves as the main entry point for analytics events in Claude CLI.
- *
- * DESIGN: This module has NO dependencies to avoid import cycles.
- * Events are queued until attachAnalyticsSink() is called during app initialization.
- * The sink handles routing to Datadog and 1P event logging.
+ * The open build intentionally ships without product telemetry. We keep this
+ * module as a compatibility boundary so existing call sites can remain
+ * unchanged while all analytics become inert.
  */
 
 /**
@@ -27,15 +25,14 @@ export type AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS = never
  */
 export type AnalyticsMetadata_I_VERIFIED_THIS_IS_PII_TAGGED = never
 
-// Internal type for logEvent metadata in the local no-op sink.
-type LogEventMetadata = { [key: string]: boolean | number | undefined }
-
-type QueuedEvent = {
-  eventName: string
-  metadata: LogEventMetadata
-  async: boolean
+export function stripProtoFields<V>(
+  metadata: Record<string, V>,
+): Record<string, V> {
+  return metadata
 }
 
+type LogEventMetadata = { [key: string]: boolean | number | undefined }
+
 /**
  * Sink interface for the analytics backend
  */
@@ -47,97 +44,26 @@ export type AnalyticsSink = {
   ) => Promise<void>
 }
 
-// Event queue for events logged before sink is attached
-const eventQueue: QueuedEvent[] = []
-
-// Sink - initialized during app startup
-let sink: AnalyticsSink | null = null
-
-/**
- * Attach the analytics sink that will receive all events.
- * Queued events are drained asynchronously via queueMicrotask to avoid
- * adding latency to the startup path.
- *
- * Idempotent: if a sink is already attached, this is a no-op. This allows
- * calling from both the preAction hook (for subcommands) and setup() (for
- * the default command) without coordination.
- */
-export function attachAnalyticsSink(newSink: AnalyticsSink): void {
-  if (sink !== null) {
-    return
-  }
-  sink = newSink
-
-  // Drain the queue asynchronously to avoid blocking startup
-  if (eventQueue.length > 0) {
-    const queuedEvents = [...eventQueue]
-    eventQueue.length = 0
-
-    // Log queue size for ants to help debug analytics initialization timing
-    if (process.env.USER_TYPE === 'ant') {
-      sink.logEvent('analytics_sink_attached', {
-        queued_event_count: queuedEvents.length,
-      })
-    }
-
-    queueMicrotask(() => {
-      for (const event of queuedEvents) {
-        if (event.async) {
-          void sink!.logEventAsync(event.eventName, event.metadata)
-        } else {
-          sink!.logEvent(event.eventName, event.metadata)
-        }
-      }
-    })
-  }
-}
+export function attachAnalyticsSink(_newSink: AnalyticsSink): void {}
 
 /**
  * Log an event to analytics backends (synchronous)
- *
- * Events may be sampled based on the 'tengu_event_sampling_config' dynamic config.
- * When sampled, the sample_rate is added to the event metadata.
- *
- * If no sink is attached, events are queued and drained when the sink attaches.
  */
 export function logEvent(
-  eventName: string,
-  // intentionally no strings unless AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS,
-  // to avoid accidentally logging code/filepaths
-  metadata: LogEventMetadata,
-): void {
-  if (sink === null) {
-    eventQueue.push({ eventName, metadata, async: false })
-    return
-  }
-  sink.logEvent(eventName, metadata)
-}
+  _eventName: string,
+  _metadata: LogEventMetadata,
+): void {}
 
 /**
  * Log an event to analytics backends (asynchronous)
- *
- * Events may be sampled based on the 'tengu_event_sampling_config' dynamic config.
- * When sampled, the sample_rate is added to the event metadata.
- *
- * If no sink is attached, events are queued and drained when the sink attaches.
  */
 export async function logEventAsync(
-  eventName: string,
-  // intentionally no strings, to avoid accidentally logging code/filepaths
-  metadata: LogEventMetadata,
-): Promise<void> {
-  if (sink === null) {
-    eventQueue.push({ eventName, metadata, async: true })
-    return
-  }
-  await sink.logEventAsync(eventName, metadata)
-}
+  _eventName: string,
+  _metadata: LogEventMetadata,
+): Promise<void> {}
 
 /**
  * Reset analytics state for testing purposes only.
  * @internal
  */
-export function _resetForTesting(): void {
-  sink = null
-  eventQueue.length = 0
-}
+export function _resetForTesting(): void {}

src/services/analytics/sink.ts

@@ -1,31 +1,10 @@
 /**
  * Analytics sink implementation
  *
- * This open build keeps the analytics sink boundary for compatibility, but
- * drops all queued analytics events locally instead of routing them onward.
+ * Telemetry sinks are disabled in this build. The exported functions remain so
+ * startup code does not need to special-case the open build.
  */
 
-import { attachAnalyticsSink } from './index.js'
-
-type LogEventMetadata = { [key: string]: boolean | number | undefined }
-
-function logEventImpl(
-  _eventName: string,
-  _metadata: LogEventMetadata,
-): void {
+export function initializeAnalyticsSink(): void {
   return
 }
-
-function logEventAsyncImpl(
-  _eventName: string,
-  _metadata: LogEventMetadata,
-): Promise<void> {
-  return Promise.resolve()
-}
-
-export function initializeAnalyticsSink(): void {
-  attachAnalyticsSink({
-    logEvent: logEventImpl,
-    logEventAsync: logEventAsyncImpl,
-  })
-}

src/setup.ts

@@ -368,7 +368,7 @@ export async function setup(
       ) // Start team memory sync watcher
     }
   }
-  initSinks() // Attach error log + analytics sinks and drain queued events
+  initSinks() // Attach error log sink and analytics compatibility stubs
 
   // Session-success-rate denominator. Emit immediately after the analytics
   // sink is attached — before any parsing, fetching, or I/O that could throw.

src/utils/sinks.ts

@@ -2,10 +2,9 @@ import { initializeAnalyticsSink } from '../services/analytics/sink.js'
 import { initializeErrorLogSink } from './errorLogSink.js'
 
 /**
- * Attach error log and analytics sinks, draining any events queued before
- * attachment. Both inits are idempotent. Called from setup() for the default
- * command; other entrypoints (subcommands, daemon, bridge) call this directly
- * since they bypass setup().
+ * Attach error log and analytics compatibility sinks. Both inits are
+ * idempotent. Called from setup() for the default command; other entrypoints
+ * (subcommands, daemon, bridge) call this directly since they bypass setup().
  *
  * Leaf module — kept out of setup.ts to avoid the setup → commands → bridge
  * → setup import cycle.