feat: Bump support for langsmith (#2741)

Author: lforst

.changeset/bump-langsmith-support.md

@@ -0,0 +1,5 @@
+---
+"braintrust": patch
+---
+
+feat: Bump support for langsmith

e2e/scenarios/langsmith-instrumentation/package.json

@@ -15,7 +15,7 @@
   "dependencies": {
     "@langchain/core": "1.1.36",
     "langsmith-v0": "npm:langsmith@0.3.30",
-    "langsmith-v0-latest": "npm:langsmith@0.9.0",
+    "langsmith-v0-latest": "npm:langsmith@0.11.7",
     "openai": "4.104.0"
   }
 }

e2e/scenarios/langsmith-instrumentation/pnpm-lock.yaml

@@ -4,7 +4,13 @@ import { langSmithChannels } from "../../instrumentation/plugins/langsmith-inter
 const versionRange = ">=0.3.30 <1.0.0";
 
 export const langSmithConfigs: InstrumentationConfig[] = [
-  ...["dist/client.js", "dist/client.cjs"].flatMap((filePath) => [
+  // LangSmith 0.11 moved the tracing client from dist/ to lib/.
+  ...[
+    "dist/client.js",
+    "dist/client.cjs",
+    "lib/client.mjs",
+    "lib/client.js",
+  ].flatMap((filePath) => [
     {
       channelName: langSmithChannels.createRun.channelName,
       module: { name: "langsmith", versionRange, filePath },