Update PR #2335

Author: lforst

.changeset/stagehand-instrumentation.md

@@ -0,0 +1,5 @@
+---
+"braintrust": minor
+---
+
+feat: Add stagehand instrumentation

js/src/vendor-sdk-types/stagehand.ts

@@ -5,43 +5,27 @@
  * Braintrust SDK does not take a runtime or type dependency on Stagehand.
  */
 
-export type StagehandAction = {
-  method?: unknown;
-};
-
 export type StagehandActResult = {
   success?: unknown;
   actions?: unknown;
   cacheStatus?: unknown;
 };
 
-export type StagehandAgentUsage = {
+type StagehandAgentUsage = {
   input_tokens?: unknown;
   output_tokens?: unknown;
   reasoning_tokens?: unknown;
   cached_input_tokens?: unknown;
 };
 
-export type StagehandAgentAction = {
-  type?: unknown;
-  taskCompleted?: unknown;
-  task_completed?: unknown;
-  timeMs?: unknown;
-  time_ms?: unknown;
-};
-
 export type StagehandAgentResult = {
   success?: unknown;
   completed?: unknown;
   message?: unknown;
   output?: unknown;
   actions?: unknown;
   metadata?: unknown;
-  usage?: StagehandAgentUsage | unknown;
-};
-
-export type StagehandAgentStreamResult = {
-  result?: unknown;
+  usage?: StagehandAgentUsage;
 };
 
 export type StagehandAgent = {