From 5b5f496436a060124e57009d1f7f37bd4d27f0f3 Mon Sep 17 00:00:00 2001
From: uttamkanodia14 <codenote@google.com>
Date: Sat, 12 Jul 2025 02:40:25 +0530
Subject: Adds Flash Fallback logging and clearcut logging (#3843)

---
 packages/core/src/telemetry/loggers.ts | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'packages/core/src/telemetry/loggers.ts')

diff --git a/packages/core/src/telemetry/loggers.ts b/packages/core/src/telemetry/loggers.ts
index a7231e2f..5929ec58 100644
--- a/packages/core/src/telemetry/loggers.ts
+++ b/packages/core/src/telemetry/loggers.ts
@@ -14,6 +14,7 @@ import {
   EVENT_CLI_CONFIG,
   EVENT_TOOL_CALL,
   EVENT_USER_PROMPT,
+  EVENT_FLASH_FALLBACK,
   SERVICE_NAME,
 } from './constants.js';
 import {
@@ -23,6 +24,7 @@ import {
   StartSessionEvent,
   ToolCallEvent,
   UserPromptEvent,
+  FlashFallbackEvent,
 } from './types.js';
 import {
   recordApiErrorMetrics,
@@ -156,6 +158,28 @@ export function logApiRequest(config: Config, event: ApiRequestEvent): void {
   logger.emit(logRecord);
 }
 
+export function logFlashFallback(
+  config: Config,
+  event: FlashFallbackEvent,
+): void {
+  ClearcutLogger.getInstance(config)?.logFlashFallbackEvent(event);
+  if (!isTelemetrySdkInitialized()) return;
+
+  const attributes: LogAttributes = {
+    ...getCommonAttributes(config),
+    ...event,
+    'event.name': EVENT_FLASH_FALLBACK,
+    'event.timestamp': new Date().toISOString(),
+  };
+
+  const logger = logs.getLogger(SERVICE_NAME);
+  const logRecord: LogRecord = {
+    body: `Switching to flash as Fallback.`,
+    attributes,
+  };
+  logger.emit(logRecord);
+}
+
 export function logApiError(config: Config, event: ApiErrorEvent): void {
   const uiEvent = {
     ...event,
-- 
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