feat(instrumentation-langchain): Migrate langchain semantic conventions to 1.40 (#920)

Author: dvirski

packages/instrumentation-langchain/package.json

@@ -22,7 +22,7 @@
   "author": "Traceloop",
   "license": "Apache-2.0",
   "engines": {
-    "node": ">=14"
+    "node": ">=20"
   },
   "files": [
     "dist/**/*.js",
@@ -37,18 +37,27 @@
   "publishConfig": {
     "access": "public"
   },
+  "peerDependencies": {
+    "@langchain/core": ">=1.0.0 <2.0.0"
+  },
+  "peerDependenciesMeta": {
+    "@langchain/core": {
+      "optional": false
+    }
+  },
   "dependencies": {
-    "@langchain/core": "^0.3.80",
+    "@langchain/core": ">=1.0.0 <2.0.0",
     "@opentelemetry/api": "^1.9.0",
     "@opentelemetry/core": "^2.0.1",
     "@opentelemetry/instrumentation": "^0.203.0",
-    "@opentelemetry/semantic-conventions": "^1.38.0",
+    "@opentelemetry/semantic-conventions": "^1.40.0",
     "@traceloop/ai-semantic-conventions": "workspace:*",
     "tslib": "^2.8.1"
   },
   "devDependencies": {
-    "@langchain/community": "^0.3.59",
-    "@langchain/openai": "^0.6.2",
+    "@langchain/core": "^1.0.0",
+    "@langchain/community": "^1.0.0",
+    "@langchain/openai": "^1.0.0",
     "@opentelemetry/context-async-hooks": "^2.0.1",
     "@opentelemetry/sdk-trace-node": "^2.0.1",
     "@pollyjs/adapter-fetch": "^6.0.6",
@@ -58,7 +67,9 @@
     "@traceloop/instrumentation-bedrock": "workspace:*",
     "@types/mocha": "^10.0.10",
     "@types/node": "^24.0.15",
-    "langchain": "^0.3.37",
+    "@langchain/classic": "^1.0.0",
+    "@langchain/textsplitters": "^1.0.0",
+    "langchain": "^1.0.0",
     "mocha": "^11.7.1",
     "ts-mocha": "^11.1.0"
   },