diff --git a/.vscode/settings.json b/.vscode/settings.json
index 4591fd8..023ab9d 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,9 +1,25 @@
 {
-  "eslint.nodePath": "config/eslint-config/node_modules/eslint",
-  "eslint.workingDirectories": [
-    {
-      "mode": "auto"
-    }
+  "cSpell.diagnosticLevel": "Warning",
+  "cSpell.words": [
+    "arktype",
+    "autoinstallers",
+    "Bytedance",
+    "cozeloop",
+    "doubao",
+    "kwargs",
+    "langchain",
+    "langgraph",
+    "langsmith",
+    "loggable",
+    "packagejson",
+    "prefault",
+    "preinstall",
+    "ptaas",
+    "remeda",
+    "traceparent",
+    "tracestate",
+    "vikingdb",
+    "websockets"
   ],
   "prettier.prettierPath": "config/eslint-config/node_modules/prettier",
   "editor.tabSize": 2,
@@ -18,9 +34,14 @@
     "source.fixAll.eslint": "explicit",
     "source.organizeImports": "never"
   },
+  "editor.semanticHighlighting.enabled": false,
+  "eslint.probe": ["javascript", "typescript"],
   "eslint.format.enable": true,
   "eslint.lintTask.enable": true,
+  "eslint.nodePath": "config/eslint-config/node_modules/eslint",
+  "eslint.workingDirectories": [{ "mode": "auto" }],
   "search.followSymlinks": false,
+  "search.useIgnoreFiles": true,
   "search.exclude": {
     "**/node_modules": true,
     "**/pnpm-lock.yaml": true,
@@ -52,13 +73,9 @@
     "**/pnpm-lock.yaml": "plaintext",
     "**/*.yml": "yaml"
   },
-  "search.useIgnoreFiles": true,
   "files.eol": "\n",
   "files.trimTrailingWhitespace": true,
   "files.insertFinalNewline": true,
-  "cSpell.diagnosticLevel": "Warning",
-  "eslint.probe": ["javascript", "typescript"],
-  "editor.semanticHighlighting.enabled": false,
   "javascript.validate.enable": false,
   "typescript.tsdk": "config/ts-config/node_modules/typescript/lib",
   "typescript.enablePromptUseWorkspaceTsdk": true,
@@ -78,7 +95,6 @@
   },
   "typescript.validate.enable": true,
   "typescript.suggest.autoImports": true,
-  "emmet.triggerExpansionOnTab": true,
   "[typescript]": {
     "editor.defaultFormatter": "esbenp.prettier-vscode"
   },
diff --git a/LICENSE b/LICENSE
index 8badb49..5208ec4 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/cspell.json b/cspell.json
deleted file mode 100644
index 1b52b7e..0000000
--- a/cspell.json
+++ /dev/null
@@ -1,30 +0,0 @@
-{
-  "version": "0.2",
-  "ignorePaths": [],
-  "dictionaryDefinitions": [],
-  "dictionaries": [],
-  "caseSensitive": false,
-  "words": [
-    "arktype",
-    "autoinstallers",
-    "Bytedance",
-    "cozeloop",
-    "doubao",
-    "kwargs",
-    "langchain",
-    "langgraph",
-    "langsmith",
-    "loggable",
-    "packagejson",
-    "prefault",
-    "preinstall",
-    "ptaas",
-    "remeda",
-    "traceparent",
-    "tracestate",
-    "vikingdb",
-    "websockets"
-  ],
-  "ignoreWords": [],
-  "import": []
-}
diff --git a/packages/ci-tools/LICENSE b/packages/ci-tools/LICENSE
index 8badb49..5208ec4 100644
--- a/packages/ci-tools/LICENSE
+++ b/packages/ci-tools/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/ci-tools/__tests__/utils.test.ts b/packages/ci-tools/__tests__/utils.test.ts
index 98f0b02..52280d7 100644
--- a/packages/ci-tools/__tests__/utils.test.ts
+++ b/packages/ci-tools/__tests__/utils.test.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import {
   safeJsonParse,
diff --git a/packages/ci-tools/src/global.d.ts b/packages/ci-tools/src/global.d.ts
index 65a5b3f..90fbae7 100644
--- a/packages/ci-tools/src/global.d.ts
+++ b/packages/ci-tools/src/global.d.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 declare module 'process' {
   global {
diff --git a/packages/ci-tools/src/index.ts b/packages/ci-tools/src/index.ts
index 718eb6e..23b51d5 100644
--- a/packages/ci-tools/src/index.ts
+++ b/packages/ci-tools/src/index.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { Command } from 'commander';
 
diff --git a/packages/ci-tools/src/lark/index.ts b/packages/ci-tools/src/lark/index.ts
index ceb9880..ee275a7 100644
--- a/packages/ci-tools/src/lark/index.ts
+++ b/packages/ci-tools/src/lark/index.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { Command, Option } from 'commander';
 
diff --git a/packages/ci-tools/src/lark/schema.ts b/packages/ci-tools/src/lark/schema.ts
index f6c37d8..b551740 100644
--- a/packages/ci-tools/src/lark/schema.ts
+++ b/packages/ci-tools/src/lark/schema.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { type, type Type } from 'arktype';
 import { AppType, Domain } from '@larksuiteoapi/node-sdk';
diff --git a/packages/ci-tools/src/lark/send-message.ts b/packages/ci-tools/src/lark/send-message.ts
index ab16549..13cea69 100644
--- a/packages/ci-tools/src/lark/send-message.ts
+++ b/packages/ci-tools/src/lark/send-message.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { Command } from 'commander';
 import { Client } from '@larksuiteoapi/node-sdk';
diff --git a/packages/ci-tools/src/lark/sync-issue.ts b/packages/ci-tools/src/lark/sync-issue.ts
index af19802..a02f524 100644
--- a/packages/ci-tools/src/lark/sync-issue.ts
+++ b/packages/ci-tools/src/lark/sync-issue.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { Command } from 'commander';
 import { Client } from '@larksuiteoapi/node-sdk';
diff --git a/packages/ci-tools/src/lark/sync-pr.ts b/packages/ci-tools/src/lark/sync-pr.ts
index cb60c3b..b716f8b 100644
--- a/packages/ci-tools/src/lark/sync-pr.ts
+++ b/packages/ci-tools/src/lark/sync-pr.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { Command } from 'commander';
 import { Client } from '@larksuiteoapi/node-sdk';
diff --git a/packages/ci-tools/src/lark/utils.ts b/packages/ci-tools/src/lark/utils.ts
index e6e44a8..2c1938b 100644
--- a/packages/ci-tools/src/lark/utils.ts
+++ b/packages/ci-tools/src/lark/utils.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 export function safeJsonParse<T>(val: string): T | undefined {
   if (!val) {
diff --git a/packages/cozeloop-ai/LICENSE b/packages/cozeloop-ai/LICENSE
index 8badb49..5208ec4 100644
--- a/packages/cozeloop-ai/LICENSE
+++ b/packages/cozeloop-ai/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/cozeloop-ai/__tests__/__mock__/base-http.ts b/packages/cozeloop-ai/__tests__/__mock__/base-http.ts
index 18a1973..65c78a2 100644
--- a/packages/cozeloop-ai/__tests__/__mock__/base-http.ts
+++ b/packages/cozeloop-ai/__tests__/__mock__/base-http.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { join } from 'node:path';
 
diff --git a/packages/cozeloop-ai/__tests__/__mock__/jwt-auth.ts b/packages/cozeloop-ai/__tests__/__mock__/jwt-auth.ts
index 40b6cfd..7c8eb2a 100644
--- a/packages/cozeloop-ai/__tests__/__mock__/jwt-auth.ts
+++ b/packages/cozeloop-ai/__tests__/__mock__/jwt-auth.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { setupServer } from 'msw/node';
 import { http, HttpResponse } from 'msw';
diff --git a/packages/cozeloop-ai/__tests__/__mock__/loop-tracer.ts b/packages/cozeloop-ai/__tests__/__mock__/loop-tracer.ts
index a59afe9..8d3336d 100644
--- a/packages/cozeloop-ai/__tests__/__mock__/loop-tracer.ts
+++ b/packages/cozeloop-ai/__tests__/__mock__/loop-tracer.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { setupServer } from 'msw/node';
 import { http } from 'msw';
diff --git a/packages/cozeloop-ai/__tests__/__mock__/prompt-hub.ts b/packages/cozeloop-ai/__tests__/__mock__/prompt-hub.ts
index a3d2351..22e104f 100644
--- a/packages/cozeloop-ai/__tests__/__mock__/prompt-hub.ts
+++ b/packages/cozeloop-ai/__tests__/__mock__/prompt-hub.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { setupServer } from 'msw/node';
 import { http, passthrough } from 'msw';
diff --git a/packages/cozeloop-ai/__tests__/__mock__/ptaas.ts b/packages/cozeloop-ai/__tests__/__mock__/ptaas.ts
index 2380c33..47e6165 100644
--- a/packages/cozeloop-ai/__tests__/__mock__/ptaas.ts
+++ b/packages/cozeloop-ai/__tests__/__mock__/ptaas.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 
 import { join } from 'node:path';
diff --git a/packages/cozeloop-ai/__tests__/__mock__/utils.ts b/packages/cozeloop-ai/__tests__/__mock__/utils.ts
index 21d2e4c..64b8181 100644
--- a/packages/cozeloop-ai/__tests__/__mock__/utils.ts
+++ b/packages/cozeloop-ai/__tests__/__mock__/utils.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { readFile } from 'node:fs/promises';
 
diff --git a/packages/cozeloop-ai/__tests__/api/api-client.test.ts b/packages/cozeloop-ai/__tests__/api/api-client.test.ts
index 410592f..cd3ba47 100644
--- a/packages/cozeloop-ai/__tests__/api/api-client.test.ts
+++ b/packages/cozeloop-ai/__tests__/api/api-client.test.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { setupBaseHttpMock } from '../__mock__/base-http';
 import { simpleConsoleLogger } from '../../src/utils/logger';
diff --git a/packages/cozeloop-ai/__tests__/api/http.test.ts b/packages/cozeloop-ai/__tests__/api/http.test.ts
index 890097a..fa305dc 100644
--- a/packages/cozeloop-ai/__tests__/api/http.test.ts
+++ b/packages/cozeloop-ai/__tests__/api/http.test.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import axios from 'axios';
 
diff --git a/packages/cozeloop-ai/__tests__/api/utils.test.ts b/packages/cozeloop-ai/__tests__/api/utils.test.ts
index 105fd67..84e6f4d 100644
--- a/packages/cozeloop-ai/__tests__/api/utils.test.ts
+++ b/packages/cozeloop-ai/__tests__/api/utils.test.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import nodeFetch from 'node-fetch';
 
diff --git a/packages/cozeloop-ai/__tests__/auth/oauth-jwt.test.ts b/packages/cozeloop-ai/__tests__/auth/oauth-jwt.test.ts
index 244ab55..e2b4371 100644
--- a/packages/cozeloop-ai/__tests__/auth/oauth-jwt.test.ts
+++ b/packages/cozeloop-ai/__tests__/auth/oauth-jwt.test.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { setupJwtAuthMock } from '../__mock__/jwt-auth';
 import { simpleConsoleLogger } from '../../src/utils/logger';
diff --git a/packages/cozeloop-ai/__tests__/auth/utils.test.ts b/packages/cozeloop-ai/__tests__/auth/utils.test.ts
index 780704a..94134de 100644
--- a/packages/cozeloop-ai/__tests__/auth/utils.test.ts
+++ b/packages/cozeloop-ai/__tests__/auth/utils.test.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { delay, randomStr } from '../../src/auth/utils';
 
diff --git a/packages/cozeloop-ai/__tests__/error/common-error.test.ts b/packages/cozeloop-ai/__tests__/error/common-error.test.ts
index f1e7f8e..cbb9b19 100644
--- a/packages/cozeloop-ai/__tests__/error/common-error.test.ts
+++ b/packages/cozeloop-ai/__tests__/error/common-error.test.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import {
   PropertyUnprovidedError,
diff --git a/packages/cozeloop-ai/__tests__/error/http-error.test.ts b/packages/cozeloop-ai/__tests__/error/http-error.test.ts
index ea6b94a..8d4b510 100644
--- a/packages/cozeloop-ai/__tests__/error/http-error.test.ts
+++ b/packages/cozeloop-ai/__tests__/error/http-error.test.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { AxiosError, AxiosHeaders } from 'axios';
 
diff --git a/packages/cozeloop-ai/__tests__/prompt/converter.test.ts b/packages/cozeloop-ai/__tests__/prompt/converter.test.ts
index b9765f1..02dbff0 100644
--- a/packages/cozeloop-ai/__tests__/prompt/converter.test.ts
+++ b/packages/cozeloop-ai/__tests__/prompt/converter.test.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 
 import {
diff --git a/packages/cozeloop-ai/__tests__/prompt/guard.test.ts b/packages/cozeloop-ai/__tests__/prompt/guard.test.ts
index 24c256e..a9772bd 100644
--- a/packages/cozeloop-ai/__tests__/prompt/guard.test.ts
+++ b/packages/cozeloop-ai/__tests__/prompt/guard.test.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 
 import {
diff --git a/packages/cozeloop-ai/__tests__/prompt/hub.test.ts b/packages/cozeloop-ai/__tests__/prompt/hub.test.ts
index ebf2459..a201380 100644
--- a/packages/cozeloop-ai/__tests__/prompt/hub.test.ts
+++ b/packages/cozeloop-ai/__tests__/prompt/hub.test.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { setTimeout } from 'node:timers/promises';
 
diff --git a/packages/cozeloop-ai/__tests__/prompt/ptaas.test.ts b/packages/cozeloop-ai/__tests__/prompt/ptaas.test.ts
index 828538f..b8ce152 100644
--- a/packages/cozeloop-ai/__tests__/prompt/ptaas.test.ts
+++ b/packages/cozeloop-ai/__tests__/prompt/ptaas.test.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 
 import { setupPTaaSMock } from '../__mock__/ptaas';
diff --git a/packages/cozeloop-ai/__tests__/prompt/trace.test.ts b/packages/cozeloop-ai/__tests__/prompt/trace.test.ts
index 317747a..d652350 100644
--- a/packages/cozeloop-ai/__tests__/prompt/trace.test.ts
+++ b/packages/cozeloop-ai/__tests__/prompt/trace.test.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { serializeTagValue } from '../../src/tracer/utils';
 import {
diff --git a/packages/cozeloop-ai/__tests__/prompt/utils.test.ts b/packages/cozeloop-ai/__tests__/prompt/utils.test.ts
index 7a39f38..5eaf71c 100644
--- a/packages/cozeloop-ai/__tests__/prompt/utils.test.ts
+++ b/packages/cozeloop-ai/__tests__/prompt/utils.test.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import {
   cacheKeyToQuery,
diff --git a/packages/cozeloop-ai/__tests__/tracer/propagation.test.ts b/packages/cozeloop-ai/__tests__/tracer/propagation.test.ts
index 85db91f..dce2a0b 100644
--- a/packages/cozeloop-ai/__tests__/tracer/propagation.test.ts
+++ b/packages/cozeloop-ai/__tests__/tracer/propagation.test.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 /* eslint-disable security/detect-object-injection -- skip */
 import {
diff --git a/packages/cozeloop-ai/__tests__/tracer/tags.test.ts b/packages/cozeloop-ai/__tests__/tracer/tags.test.ts
index 9779d02..9a26773 100644
--- a/packages/cozeloop-ai/__tests__/tracer/tags.test.ts
+++ b/packages/cozeloop-ai/__tests__/tracer/tags.test.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { type ReadableSpan } from '@opentelemetry/sdk-trace-base';
 import { SpanStatusCode, type Span } from '@opentelemetry/api';
diff --git a/packages/cozeloop-ai/__tests__/tracer/traceable.test.ts b/packages/cozeloop-ai/__tests__/tracer/traceable.test.ts
index 07ded40..252916c 100644
--- a/packages/cozeloop-ai/__tests__/tracer/traceable.test.ts
+++ b/packages/cozeloop-ai/__tests__/tracer/traceable.test.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { setTimeout } from 'node:timers/promises';
 
diff --git a/packages/cozeloop-ai/__tests__/utils/common.test.ts b/packages/cozeloop-ai/__tests__/utils/common.test.ts
index 59acb49..aa95ae6 100644
--- a/packages/cozeloop-ai/__tests__/utils/common.test.ts
+++ b/packages/cozeloop-ai/__tests__/utils/common.test.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 /* eslint-disable @typescript-eslint/no-empty-function -- skip for test */
 import {
diff --git a/packages/cozeloop-ai/__tests__/utils/env.test.ts b/packages/cozeloop-ai/__tests__/utils/env.test.ts
index e8c4cac..581a87c 100644
--- a/packages/cozeloop-ai/__tests__/utils/env.test.ts
+++ b/packages/cozeloop-ai/__tests__/utils/env.test.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import {
   ensureProperty,
diff --git a/packages/cozeloop-ai/__tests__/utils/logger.test.ts b/packages/cozeloop-ai/__tests__/utils/logger.test.ts
index 825f4bd..e3ea29c 100644
--- a/packages/cozeloop-ai/__tests__/utils/logger.test.ts
+++ b/packages/cozeloop-ai/__tests__/utils/logger.test.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { createLoopLogger, LoopLoggable } from '../../src/utils/logger';
 
diff --git a/packages/cozeloop-ai/src/api/api-client/client.ts b/packages/cozeloop-ai/src/api/api-client/client.ts
index 5a8910d..af55714 100644
--- a/packages/cozeloop-ai/src/api/api-client/client.ts
+++ b/packages/cozeloop-ai/src/api/api-client/client.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { type AxiosResponseHeaders } from 'axios';
 
diff --git a/packages/cozeloop-ai/src/api/api-client/http.ts b/packages/cozeloop-ai/src/api/api-client/http.ts
index 1449fab..025596f 100644
--- a/packages/cozeloop-ai/src/api/api-client/http.ts
+++ b/packages/cozeloop-ai/src/api/api-client/http.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import './polyfill-async-iterator';
 
diff --git a/packages/cozeloop-ai/src/api/api-client/index.ts b/packages/cozeloop-ai/src/api/api-client/index.ts
index 9f9112d..7c1420c 100644
--- a/packages/cozeloop-ai/src/api/api-client/index.ts
+++ b/packages/cozeloop-ai/src/api/api-client/index.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 export { getUserAgentHeaders } from './user-agent';
 export { ApiClient, DEFAULT_API_BASE_URL } from './client';
diff --git a/packages/cozeloop-ai/src/api/api-client/polyfill-async-iterator.ts b/packages/cozeloop-ai/src/api/api-client/polyfill-async-iterator.ts
index 32c7c0d..e4ca4f3 100644
--- a/packages/cozeloop-ai/src/api/api-client/polyfill-async-iterator.ts
+++ b/packages/cozeloop-ai/src/api/api-client/polyfill-async-iterator.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 // eslint-disable-next-line @typescript-eslint/ban-ts-comment -- skip
 // @ts-nocheck
diff --git a/packages/cozeloop-ai/src/api/api-client/types.ts b/packages/cozeloop-ai/src/api/api-client/types.ts
index e87f6be..f9f41ee 100644
--- a/packages/cozeloop-ai/src/api/api-client/types.ts
+++ b/packages/cozeloop-ai/src/api/api-client/types.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import type { AxiosInstance, AxiosRequestConfig } from 'axios';
 
diff --git a/packages/cozeloop-ai/src/api/api-client/user-agent.ts b/packages/cozeloop-ai/src/api/api-client/user-agent.ts
index 29e7bf1..7f3ef67 100644
--- a/packages/cozeloop-ai/src/api/api-client/user-agent.ts
+++ b/packages/cozeloop-ai/src/api/api-client/user-agent.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import os from 'node:os';
 
diff --git a/packages/cozeloop-ai/src/api/api-client/utils.ts b/packages/cozeloop-ai/src/api/api-client/utils.ts
index 30abc0a..691d564 100644
--- a/packages/cozeloop-ai/src/api/api-client/utils.ts
+++ b/packages/cozeloop-ai/src/api/api-client/utils.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import nodeFetch, { type RequestInit } from 'node-fetch';
 import { type AxiosStatic, type CreateAxiosDefaults } from 'axios';
diff --git a/packages/cozeloop-ai/src/api/base.ts b/packages/cozeloop-ai/src/api/base.ts
index c18765d..1c014f5 100644
--- a/packages/cozeloop-ai/src/api/base.ts
+++ b/packages/cozeloop-ai/src/api/base.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { type LoopApiClient } from './types';
 import { ApiClient } from './api-client';
diff --git a/packages/cozeloop-ai/src/api/index.ts b/packages/cozeloop-ai/src/api/index.ts
index 18c4ab2..78b055e 100644
--- a/packages/cozeloop-ai/src/api/index.ts
+++ b/packages/cozeloop-ai/src/api/index.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 export { ApiClient, http } from './api-client';
 export type {
diff --git a/packages/cozeloop-ai/src/api/prompt/index.ts b/packages/cozeloop-ai/src/api/prompt/index.ts
index 9d17c42..2157267 100644
--- a/packages/cozeloop-ai/src/api/prompt/index.ts
+++ b/packages/cozeloop-ai/src/api/prompt/index.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { type PullPromptReq, type PullPromptResp } from './types/prompt';
 import {
diff --git a/packages/cozeloop-ai/src/api/prompt/types/common.ts b/packages/cozeloop-ai/src/api/prompt/types/common.ts
index 8a1644c..8440499 100644
--- a/packages/cozeloop-ai/src/api/prompt/types/common.ts
+++ b/packages/cozeloop-ai/src/api/prompt/types/common.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 
 export type LoopContentType =
diff --git a/packages/cozeloop-ai/src/api/prompt/types/execute.ts b/packages/cozeloop-ai/src/api/prompt/types/execute.ts
index 4fb0e94..f8864d6 100644
--- a/packages/cozeloop-ai/src/api/prompt/types/execute.ts
+++ b/packages/cozeloop-ai/src/api/prompt/types/execute.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 
 import { type BaseApiResp } from '../../base';
diff --git a/packages/cozeloop-ai/src/api/prompt/types/prompt.ts b/packages/cozeloop-ai/src/api/prompt/types/prompt.ts
index 997f7c4..dcd54d9 100644
--- a/packages/cozeloop-ai/src/api/prompt/types/prompt.ts
+++ b/packages/cozeloop-ai/src/api/prompt/types/prompt.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 
 import { type BaseApiResp } from '../../base';
diff --git a/packages/cozeloop-ai/src/api/trace/index.ts b/packages/cozeloop-ai/src/api/trace/index.ts
index dd756b3..0069fb2 100644
--- a/packages/cozeloop-ai/src/api/trace/index.ts
+++ b/packages/cozeloop-ai/src/api/trace/index.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import FormData from 'form-data';
 
diff --git a/packages/cozeloop-ai/src/api/trace/types.ts b/packages/cozeloop-ai/src/api/trace/types.ts
index df28c23..9949b55 100644
--- a/packages/cozeloop-ai/src/api/trace/types.ts
+++ b/packages/cozeloop-ai/src/api/trace/types.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import type { ReadStream } from 'node:fs';
 import type { Blob } from 'node:buffer';
diff --git a/packages/cozeloop-ai/src/api/types.ts b/packages/cozeloop-ai/src/api/types.ts
index fbe7fca..6b0e6a2 100644
--- a/packages/cozeloop-ai/src/api/types.ts
+++ b/packages/cozeloop-ai/src/api/types.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { type ApiClient, type ApiClientOptions } from './api-client';
 
diff --git a/packages/cozeloop-ai/src/auth/index.ts b/packages/cozeloop-ai/src/auth/index.ts
index 14ff112..46de02e 100644
--- a/packages/cozeloop-ai/src/auth/index.ts
+++ b/packages/cozeloop-ai/src/auth/index.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 export type { OAuthCodeToken, OAuthRefreshTokenReq } from './oauth-base';
 
diff --git a/packages/cozeloop-ai/src/auth/oauth-base.ts b/packages/cozeloop-ai/src/auth/oauth-base.ts
index 0fcfd9e..ddc484a 100644
--- a/packages/cozeloop-ai/src/auth/oauth-base.ts
+++ b/packages/cozeloop-ai/src/auth/oauth-base.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { LoopLoggable } from '../utils/logger';
 import { getUserAgentHeaders } from '../api/api-client';
diff --git a/packages/cozeloop-ai/src/auth/oauth-code.ts b/packages/cozeloop-ai/src/auth/oauth-code.ts
index 236c19f..aa89984 100644
--- a/packages/cozeloop-ai/src/auth/oauth-code.ts
+++ b/packages/cozeloop-ai/src/auth/oauth-code.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { type SimpleLogger } from '../utils/logger';
 import { http } from '../api';
diff --git a/packages/cozeloop-ai/src/auth/oauth-device.ts b/packages/cozeloop-ai/src/auth/oauth-device.ts
index 5108a2f..95f62bd 100644
--- a/packages/cozeloop-ai/src/auth/oauth-device.ts
+++ b/packages/cozeloop-ai/src/auth/oauth-device.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { type SimpleLogger } from '../utils/logger';
 import { ensureProperty, EnvKeys, isBrowser } from '../utils/env';
diff --git a/packages/cozeloop-ai/src/auth/oauth-jwt.ts b/packages/cozeloop-ai/src/auth/oauth-jwt.ts
index c4acd54..cbafac9 100644
--- a/packages/cozeloop-ai/src/auth/oauth-jwt.ts
+++ b/packages/cozeloop-ai/src/auth/oauth-jwt.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { type Algorithm } from 'jsonwebtoken';
 import jwt from 'jsonwebtoken';
diff --git a/packages/cozeloop-ai/src/auth/oauth-pkce.ts b/packages/cozeloop-ai/src/auth/oauth-pkce.ts
index 2166396..9104d88 100644
--- a/packages/cozeloop-ai/src/auth/oauth-pkce.ts
+++ b/packages/cozeloop-ai/src/auth/oauth-pkce.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { subtle as nodeSubtle } from 'node:crypto';
 
diff --git a/packages/cozeloop-ai/src/auth/utils.ts b/packages/cozeloop-ai/src/auth/utils.ts
index c19bbde..ecd2501 100644
--- a/packages/cozeloop-ai/src/auth/utils.ts
+++ b/packages/cozeloop-ai/src/auth/utils.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { nanoid } from 'nanoid';
 
diff --git a/packages/cozeloop-ai/src/error/common-error.ts b/packages/cozeloop-ai/src/error/common-error.ts
index f966ab9..aebc29b 100644
--- a/packages/cozeloop-ai/src/error/common-error.ts
+++ b/packages/cozeloop-ai/src/error/common-error.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 export interface PropertyUnprovidedErrorDetail {
   tag?: string;
diff --git a/packages/cozeloop-ai/src/error/http-error.ts b/packages/cozeloop-ai/src/error/http-error.ts
index e61ff5d..30456bb 100644
--- a/packages/cozeloop-ai/src/error/http-error.ts
+++ b/packages/cozeloop-ai/src/error/http-error.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 /* eslint-disable @typescript-eslint/no-explicit-any -- some error is any */
 import { type AxiosResponseHeaders, isAxiosError } from 'axios';
diff --git a/packages/cozeloop-ai/src/error/index.ts b/packages/cozeloop-ai/src/error/index.ts
index af2dcb1..6543c86 100644
--- a/packages/cozeloop-ai/src/error/index.ts
+++ b/packages/cozeloop-ai/src/error/index.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 export { handleError, checkApiResponse } from './http-error';
 
diff --git a/packages/cozeloop-ai/src/error/types.ts b/packages/cozeloop-ai/src/error/types.ts
index 32e371f..3447926 100644
--- a/packages/cozeloop-ai/src/error/types.ts
+++ b/packages/cozeloop-ai/src/error/types.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 /* eslint-disable @typescript-eslint/no-explicit-any -- some error is any */
 import type { AxiosResponseHeaders } from 'axios';
diff --git a/packages/cozeloop-ai/src/global.d.ts b/packages/cozeloop-ai/src/global.d.ts
index aeb036f..d5fb2a6 100644
--- a/packages/cozeloop-ai/src/global.d.ts
+++ b/packages/cozeloop-ai/src/global.d.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 declare module 'rimraf' {
   import fs from 'node:fs';
diff --git a/packages/cozeloop-ai/src/index.ts b/packages/cozeloop-ai/src/index.ts
index 5cda9ef..e5d7c32 100644
--- a/packages/cozeloop-ai/src/index.ts
+++ b/packages/cozeloop-ai/src/index.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 // api
 export { ApiClient, http, PromptApi, TraceApi } from './api';
diff --git a/packages/cozeloop-ai/src/prompt/cache.ts b/packages/cozeloop-ai/src/prompt/cache.ts
index bbcabbe..503e9da 100644
--- a/packages/cozeloop-ai/src/prompt/cache.ts
+++ b/packages/cozeloop-ai/src/prompt/cache.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import {
   clearIntervalAsync,
diff --git a/packages/cozeloop-ai/src/prompt/collect-stream.ts b/packages/cozeloop-ai/src/prompt/collect-stream.ts
index 81def9f..0bfc11f 100644
--- a/packages/cozeloop-ai/src/prompt/collect-stream.ts
+++ b/packages/cozeloop-ai/src/prompt/collect-stream.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import type {
   LoopToolCall,
diff --git a/packages/cozeloop-ai/src/prompt/converter.ts b/packages/cozeloop-ai/src/prompt/converter.ts
index c2ff380..fc826ec 100644
--- a/packages/cozeloop-ai/src/prompt/converter.ts
+++ b/packages/cozeloop-ai/src/prompt/converter.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { stringifyVal } from '../utils/common';
 import {
diff --git a/packages/cozeloop-ai/src/prompt/guard.ts b/packages/cozeloop-ai/src/prompt/guard.ts
index 00bc502..07e2915 100644
--- a/packages/cozeloop-ai/src/prompt/guard.ts
+++ b/packages/cozeloop-ai/src/prompt/guard.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { type ContentPart, type Message } from './types';
 
diff --git a/packages/cozeloop-ai/src/prompt/hub.ts b/packages/cozeloop-ai/src/prompt/hub.ts
index 331613e..98ed86f 100644
--- a/packages/cozeloop-ai/src/prompt/hub.ts
+++ b/packages/cozeloop-ai/src/prompt/hub.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { ensureProperty, EnvKeys } from '../utils/env';
 import { mergeConfig } from '../utils/common';
diff --git a/packages/cozeloop-ai/src/prompt/index.ts b/packages/cozeloop-ai/src/prompt/index.ts
index 26e83ad..88cab2f 100644
--- a/packages/cozeloop-ai/src/prompt/index.ts
+++ b/packages/cozeloop-ai/src/prompt/index.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 export { PromptHub } from './hub';
 export { PromptAsAService } from './ptaas';
diff --git a/packages/cozeloop-ai/src/prompt/ptaas.ts b/packages/cozeloop-ai/src/prompt/ptaas.ts
index cf747c6..3dbadd8 100644
--- a/packages/cozeloop-ai/src/prompt/ptaas.ts
+++ b/packages/cozeloop-ai/src/prompt/ptaas.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { ensureProperty, EnvKeys } from '../utils/env';
 import { mergeConfig } from '../utils/common';
diff --git a/packages/cozeloop-ai/src/prompt/trace.ts b/packages/cozeloop-ai/src/prompt/trace.ts
index c5271be..68818f6 100644
--- a/packages/cozeloop-ai/src/prompt/trace.ts
+++ b/packages/cozeloop-ai/src/prompt/trace.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { serializeTagValue } from '../tracer/utils';
 import {
diff --git a/packages/cozeloop-ai/src/prompt/types.ts b/packages/cozeloop-ai/src/prompt/types.ts
index dd367d5..d8b9a5b 100644
--- a/packages/cozeloop-ai/src/prompt/types.ts
+++ b/packages/cozeloop-ai/src/prompt/types.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { type SimpleLogger } from '../utils/logger';
 import {
diff --git a/packages/cozeloop-ai/src/prompt/utils.ts b/packages/cozeloop-ai/src/prompt/utils.ts
index f63f766..2224368 100644
--- a/packages/cozeloop-ai/src/prompt/utils.ts
+++ b/packages/cozeloop-ai/src/prompt/utils.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import nj from 'nunjucks';
 
diff --git a/packages/cozeloop-ai/src/tracer/client/index.ts b/packages/cozeloop-ai/src/tracer/client/index.ts
index deb0a21..0e8f4ab 100644
--- a/packages/cozeloop-ai/src/tracer/client/index.ts
+++ b/packages/cozeloop-ai/src/tracer/client/index.ts
@@ -1,3 +1,3 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 export { CozeLoopTraceClient } from './loop';
diff --git a/packages/cozeloop-ai/src/tracer/client/loop/index.ts b/packages/cozeloop-ai/src/tracer/client/loop/index.ts
index abd95d2..a9eee48 100644
--- a/packages/cozeloop-ai/src/tracer/client/loop/index.ts
+++ b/packages/cozeloop-ai/src/tracer/client/loop/index.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { type ReadableSpan } from '@opentelemetry/sdk-trace-node';
 
diff --git a/packages/cozeloop-ai/src/tracer/constants/index.ts b/packages/cozeloop-ai/src/tracer/constants/index.ts
index 7176180..843b4c7 100644
--- a/packages/cozeloop-ai/src/tracer/constants/index.ts
+++ b/packages/cozeloop-ai/src/tracer/constants/index.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 
 export const ROOT_SPAN_PARENT_ID = '0';
diff --git a/packages/cozeloop-ai/src/tracer/exporter/index.ts b/packages/cozeloop-ai/src/tracer/exporter/index.ts
index 3edc081..ed4af76 100644
--- a/packages/cozeloop-ai/src/tracer/exporter/index.ts
+++ b/packages/cozeloop-ai/src/tracer/exporter/index.ts
@@ -1,3 +1,3 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 export { CozeLoopTraceExporter } from './loop';
diff --git a/packages/cozeloop-ai/src/tracer/exporter/loop/index.ts b/packages/cozeloop-ai/src/tracer/exporter/loop/index.ts
index 797d8b9..24c46bd 100644
--- a/packages/cozeloop-ai/src/tracer/exporter/loop/index.ts
+++ b/packages/cozeloop-ai/src/tracer/exporter/loop/index.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import {
   type ReadableSpan,
diff --git a/packages/cozeloop-ai/src/tracer/index.ts b/packages/cozeloop-ai/src/tracer/index.ts
index e0d03ac..07dd29d 100644
--- a/packages/cozeloop-ai/src/tracer/index.ts
+++ b/packages/cozeloop-ai/src/tracer/index.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { traceable } from './wrapper';
 import { setError, setInput, setOutput, setTag, setTags } from './utils/tags';
diff --git a/packages/cozeloop-ai/src/tracer/initialize.ts b/packages/cozeloop-ai/src/tracer/initialize.ts
index 2cc5962..dbb5264 100644
--- a/packages/cozeloop-ai/src/tracer/initialize.ts
+++ b/packages/cozeloop-ai/src/tracer/initialize.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import {
   BatchSpanProcessor,
diff --git a/packages/cozeloop-ai/src/tracer/types/index.ts b/packages/cozeloop-ai/src/tracer/types/index.ts
index 81654b7..2d59b68 100644
--- a/packages/cozeloop-ai/src/tracer/types/index.ts
+++ b/packages/cozeloop-ai/src/tracer/types/index.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 export enum SpanKind {
   PromptHub = 'prompt_hub',
diff --git a/packages/cozeloop-ai/src/tracer/types/initialize.ts b/packages/cozeloop-ai/src/tracer/types/initialize.ts
index 1609ce3..16e0bbb 100644
--- a/packages/cozeloop-ai/src/tracer/types/initialize.ts
+++ b/packages/cozeloop-ai/src/tracer/types/initialize.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import {
   type SpanExporter,
diff --git a/packages/cozeloop-ai/src/tracer/types/wrapper.ts b/packages/cozeloop-ai/src/tracer/types/wrapper.ts
index e5253ef..84018a9 100644
--- a/packages/cozeloop-ai/src/tracer/types/wrapper.ts
+++ b/packages/cozeloop-ai/src/tracer/types/wrapper.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { type Attributes } from '@opentelemetry/api';
 
diff --git a/packages/cozeloop-ai/src/tracer/utils/client/index.ts b/packages/cozeloop-ai/src/tracer/utils/client/index.ts
index f525a3c..bd8703a 100644
--- a/packages/cozeloop-ai/src/tracer/utils/client/index.ts
+++ b/packages/cozeloop-ai/src/tracer/utils/client/index.ts
@@ -1,3 +1,3 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 export { LoopTraceSpanConverter } from './loop';
diff --git a/packages/cozeloop-ai/src/tracer/utils/client/loop.ts b/packages/cozeloop-ai/src/tracer/utils/client/loop.ts
index 9938e4b..4b9d8d9 100644
--- a/packages/cozeloop-ai/src/tracer/utils/client/loop.ts
+++ b/packages/cozeloop-ai/src/tracer/utils/client/loop.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { Buffer } from 'node:buffer';
 
diff --git a/packages/cozeloop-ai/src/tracer/utils/common.ts b/packages/cozeloop-ai/src/tracer/utils/common.ts
index 8b972b4..2c7c402 100644
--- a/packages/cozeloop-ai/src/tracer/utils/common.ts
+++ b/packages/cozeloop-ai/src/tracer/utils/common.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { type HrTime } from '@opentelemetry/api';
 
diff --git a/packages/cozeloop-ai/src/tracer/utils/index.ts b/packages/cozeloop-ai/src/tracer/utils/index.ts
index 3a0d042..4dcb533 100644
--- a/packages/cozeloop-ai/src/tracer/utils/index.ts
+++ b/packages/cozeloop-ai/src/tracer/utils/index.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 
 import { trace } from '@opentelemetry/api';
diff --git a/packages/cozeloop-ai/src/tracer/utils/propagation/index.ts b/packages/cozeloop-ai/src/tracer/utils/propagation/index.ts
index 3b2d177..dc7f86c 100644
--- a/packages/cozeloop-ai/src/tracer/utils/propagation/index.ts
+++ b/packages/cozeloop-ai/src/tracer/utils/propagation/index.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import {
   type Context,
diff --git a/packages/cozeloop-ai/src/tracer/utils/tags/index.ts b/packages/cozeloop-ai/src/tracer/utils/tags/index.ts
index 174c2a8..3f56c41 100644
--- a/packages/cozeloop-ai/src/tracer/utils/tags/index.ts
+++ b/packages/cozeloop-ai/src/tracer/utils/tags/index.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { type ReadableSpan } from '@opentelemetry/sdk-trace-base';
 import { type Span, SpanStatusCode } from '@opentelemetry/api';
diff --git a/packages/cozeloop-ai/src/tracer/wrapper.ts b/packages/cozeloop-ai/src/tracer/wrapper.ts
index f1d4005..74802b9 100644
--- a/packages/cozeloop-ai/src/tracer/wrapper.ts
+++ b/packages/cozeloop-ai/src/tracer/wrapper.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { randomBytes } from 'node:crypto';
 
diff --git a/packages/cozeloop-ai/src/utils/common.ts b/packages/cozeloop-ai/src/utils/common.ts
index e0de664..e6f08c8 100644
--- a/packages/cozeloop-ai/src/utils/common.ts
+++ b/packages/cozeloop-ai/src/utils/common.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { isPlainObject } from 'remeda';
 
diff --git a/packages/cozeloop-ai/src/utils/env.ts b/packages/cozeloop-ai/src/utils/env.ts
index 46d1aaa..99aa837 100644
--- a/packages/cozeloop-ai/src/utils/env.ts
+++ b/packages/cozeloop-ai/src/utils/env.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { PropertyUnprovidedError } from '../error';
 
diff --git a/packages/cozeloop-ai/src/utils/logger.ts b/packages/cozeloop-ai/src/utils/logger.ts
index 3ae7f0d..59df3cf 100644
--- a/packages/cozeloop-ai/src/utils/logger.ts
+++ b/packages/cozeloop-ai/src/utils/logger.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { stringifyVal } from './common';
 
diff --git a/packages/cozeloop-ai/src/utils/types.ts b/packages/cozeloop-ai/src/utils/types.ts
index 914a0ad..0fd33e6 100644
--- a/packages/cozeloop-ai/src/utils/types.ts
+++ b/packages/cozeloop-ai/src/utils/types.ts
@@ -1,3 +1,3 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 export type SetRequired<T, K extends keyof T> = T & { [P in K]-?: T[P] };
diff --git a/packages/cozeloop-langchain/LICENSE b/packages/cozeloop-langchain/LICENSE
index 8badb49..5208ec4 100644
--- a/packages/cozeloop-langchain/LICENSE
+++ b/packages/cozeloop-langchain/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/cozeloop-langchain/__tests__/callback/callback-handler.test.ts b/packages/cozeloop-langchain/__tests__/callback/callback-handler.test.ts
index aa59787..77c6526 100644
--- a/packages/cozeloop-langchain/__tests__/callback/callback-handler.test.ts
+++ b/packages/cozeloop-langchain/__tests__/callback/callback-handler.test.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { ChatPromptTemplate } from '@langchain/core/prompts';
 
diff --git a/packages/cozeloop-langchain/__tests__/callback/utils/chain.test.ts b/packages/cozeloop-langchain/__tests__/callback/utils/chain.test.ts
index 588802d..038c0a7 100644
--- a/packages/cozeloop-langchain/__tests__/callback/utils/chain.test.ts
+++ b/packages/cozeloop-langchain/__tests__/callback/utils/chain.test.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import {
   guessChainInput,
diff --git a/packages/cozeloop-langchain/__tests__/callback/utils/common.test.ts b/packages/cozeloop-langchain/__tests__/callback/utils/common.test.ts
index 41b3ac5..f35afad 100644
--- a/packages/cozeloop-langchain/__tests__/callback/utils/common.test.ts
+++ b/packages/cozeloop-langchain/__tests__/callback/utils/common.test.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import {
   generateUUID,
diff --git a/packages/cozeloop-langchain/__tests__/callback/utils/message.test.ts b/packages/cozeloop-langchain/__tests__/callback/utils/message.test.ts
index d272a74..ec9da6c 100644
--- a/packages/cozeloop-langchain/__tests__/callback/utils/message.test.ts
+++ b/packages/cozeloop-langchain/__tests__/callback/utils/message.test.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import {
   AIMessage,
diff --git a/packages/cozeloop-langchain/__tests__/callback/utils/model.test.ts b/packages/cozeloop-langchain/__tests__/callback/utils/model.test.ts
index 1fe64a2..c441345 100644
--- a/packages/cozeloop-langchain/__tests__/callback/utils/model.test.ts
+++ b/packages/cozeloop-langchain/__tests__/callback/utils/model.test.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { type Serialized } from '@langchain/core/load/serializable';
 
diff --git a/packages/cozeloop-langchain/__tests__/otel/batching-queue.test.ts b/packages/cozeloop-langchain/__tests__/otel/batching-queue.test.ts
index eb437ce..e0fedea 100644
--- a/packages/cozeloop-langchain/__tests__/otel/batching-queue.test.ts
+++ b/packages/cozeloop-langchain/__tests__/otel/batching-queue.test.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { BatchingQueue } from '@cozeloop/langchain/otel';
 
diff --git a/packages/cozeloop-langchain/__tests__/otel/processor.test.ts b/packages/cozeloop-langchain/__tests__/otel/processor.test.ts
index 5b6de9a..79483a7 100644
--- a/packages/cozeloop-langchain/__tests__/otel/processor.test.ts
+++ b/packages/cozeloop-langchain/__tests__/otel/processor.test.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import {
   CozeloopSpanExporter,
diff --git a/packages/cozeloop-langchain/__tests__/otel/propagation.test.ts b/packages/cozeloop-langchain/__tests__/otel/propagation.test.ts
index 26c05cb..d396874 100644
--- a/packages/cozeloop-langchain/__tests__/otel/propagation.test.ts
+++ b/packages/cozeloop-langchain/__tests__/otel/propagation.test.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { type ReadableSpan } from '@opentelemetry/sdk-trace-base';
 import { TraceState } from '@opentelemetry/core';
diff --git a/packages/cozeloop-langchain/__tests__/otel/schema.test.ts b/packages/cozeloop-langchain/__tests__/otel/schema.test.ts
index 3082186..63d3115 100644
--- a/packages/cozeloop-langchain/__tests__/otel/schema.test.ts
+++ b/packages/cozeloop-langchain/__tests__/otel/schema.test.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { CozeloopSpanExporterOptionsSchema } from '@cozeloop/langchain/otel';
 
diff --git a/packages/cozeloop-langchain/__tests__/otel/sdk.test.ts b/packages/cozeloop-langchain/__tests__/otel/sdk.test.ts
index a43e8c8..93defe3 100644
--- a/packages/cozeloop-langchain/__tests__/otel/sdk.test.ts
+++ b/packages/cozeloop-langchain/__tests__/otel/sdk.test.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { test, describe, expect, vi } from 'vitest';
 import { NodeSDK } from '@opentelemetry/sdk-node';
diff --git a/packages/cozeloop-langchain/src/callbacks/callback-handler.ts b/packages/cozeloop-langchain/src/callbacks/callback-handler.ts
index fd1ef35..a28ada7 100644
--- a/packages/cozeloop-langchain/src/callbacks/callback-handler.ts
+++ b/packages/cozeloop-langchain/src/callbacks/callback-handler.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 /* eslint-disable @typescript-eslint/no-explicit-any -- callback handler params */
 /* eslint-disable max-params -- callback handler methods */
diff --git a/packages/cozeloop-langchain/src/callbacks/constants.ts b/packages/cozeloop-langchain/src/callbacks/constants.ts
index a925c6a..5c3eed0 100644
--- a/packages/cozeloop-langchain/src/callbacks/constants.ts
+++ b/packages/cozeloop-langchain/src/callbacks/constants.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 export enum CozeloopAttr {
   WORKSPACE_ID = 'cozeloop.workspace_id',
diff --git a/packages/cozeloop-langchain/src/callbacks/index.ts b/packages/cozeloop-langchain/src/callbacks/index.ts
index 7400bda..1921db9 100644
--- a/packages/cozeloop-langchain/src/callbacks/index.ts
+++ b/packages/cozeloop-langchain/src/callbacks/index.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 export {
   CozeloopCallbackHandler,
diff --git a/packages/cozeloop-langchain/src/callbacks/utils/chain.ts b/packages/cozeloop-langchain/src/callbacks/utils/chain.ts
index 8b3cb3a..7e3ccba 100644
--- a/packages/cozeloop-langchain/src/callbacks/utils/chain.ts
+++ b/packages/cozeloop-langchain/src/callbacks/utils/chain.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { type ChainValues } from '@langchain/core/utils/types';
 
diff --git a/packages/cozeloop-langchain/src/callbacks/utils/common.ts b/packages/cozeloop-langchain/src/callbacks/utils/common.ts
index c07448e..b20ff9f 100644
--- a/packages/cozeloop-langchain/src/callbacks/utils/common.ts
+++ b/packages/cozeloop-langchain/src/callbacks/utils/common.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { randomBytes } from 'node:crypto';
 
diff --git a/packages/cozeloop-langchain/src/callbacks/utils/index.ts b/packages/cozeloop-langchain/src/callbacks/utils/index.ts
index f70586b..7467a68 100644
--- a/packages/cozeloop-langchain/src/callbacks/utils/index.ts
+++ b/packages/cozeloop-langchain/src/callbacks/utils/index.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 export { guessChainInput, guessChainOutput, isLangGraphNode } from './chain';
 export { generateUUID, stringifyVal } from './common';
diff --git a/packages/cozeloop-langchain/src/callbacks/utils/message.ts b/packages/cozeloop-langchain/src/callbacks/utils/message.ts
index 5b2e027..35a3508 100644
--- a/packages/cozeloop-langchain/src/callbacks/utils/message.ts
+++ b/packages/cozeloop-langchain/src/callbacks/utils/message.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { type Generation } from '@langchain/core/outputs';
 import {
diff --git a/packages/cozeloop-langchain/src/callbacks/utils/model.ts b/packages/cozeloop-langchain/src/callbacks/utils/model.ts
index 47bfc7e..785f4e1 100644
--- a/packages/cozeloop-langchain/src/callbacks/utils/model.ts
+++ b/packages/cozeloop-langchain/src/callbacks/utils/model.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { type LLMResult } from '@langchain/core/outputs';
 import { type Serialized } from '@langchain/core/load/serializable';
diff --git a/packages/cozeloop-langchain/src/global.d.ts b/packages/cozeloop-langchain/src/global.d.ts
index 898b461..8b7ec7c 100644
--- a/packages/cozeloop-langchain/src/global.d.ts
+++ b/packages/cozeloop-langchain/src/global.d.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 declare module 'process' {
   global {
diff --git a/packages/cozeloop-langchain/src/index.ts b/packages/cozeloop-langchain/src/index.ts
index 381def7..960eaa6 100644
--- a/packages/cozeloop-langchain/src/index.ts
+++ b/packages/cozeloop-langchain/src/index.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 export { CozeloopCallbackHandler } from './callbacks';
 export type { CozeloopCallbackHandlerInput } from './callbacks';
diff --git a/packages/cozeloop-langchain/src/otel/batching-queue.ts b/packages/cozeloop-langchain/src/otel/batching-queue.ts
index d17fe6f..3c3a085 100644
--- a/packages/cozeloop-langchain/src/otel/batching-queue.ts
+++ b/packages/cozeloop-langchain/src/otel/batching-queue.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 /**
  * BatchingQueue is a queue class that supports batching and delayed dequeuing.
diff --git a/packages/cozeloop-langchain/src/otel/cozeloop-exporter.ts b/packages/cozeloop-langchain/src/otel/cozeloop-exporter.ts
index 4e0b57c..da78fc9 100644
--- a/packages/cozeloop-langchain/src/otel/cozeloop-exporter.ts
+++ b/packages/cozeloop-langchain/src/otel/cozeloop-exporter.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import type { ReadableSpan } from '@opentelemetry/sdk-trace-base';
 import { OTLPTraceExporter } from '@opentelemetry/exporter-trace-otlp-http';
diff --git a/packages/cozeloop-langchain/src/otel/cozeloop-processor.ts b/packages/cozeloop-langchain/src/otel/cozeloop-processor.ts
index 3768d9a..453e9e0 100644
--- a/packages/cozeloop-langchain/src/otel/cozeloop-processor.ts
+++ b/packages/cozeloop-langchain/src/otel/cozeloop-processor.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import {
   type ReadableSpan,
diff --git a/packages/cozeloop-langchain/src/otel/index.ts b/packages/cozeloop-langchain/src/otel/index.ts
index f2973df..aa8d026 100644
--- a/packages/cozeloop-langchain/src/otel/index.ts
+++ b/packages/cozeloop-langchain/src/otel/index.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 export { OTelNodeSDK } from './sdk';
 export { CozeloopSpanProcessor } from './cozeloop-processor';
diff --git a/packages/cozeloop-langchain/src/otel/propagation.ts b/packages/cozeloop-langchain/src/otel/propagation.ts
index 5985eb7..917505c 100644
--- a/packages/cozeloop-langchain/src/otel/propagation.ts
+++ b/packages/cozeloop-langchain/src/otel/propagation.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import {
   type Context,
diff --git a/packages/cozeloop-langchain/src/otel/schema.ts b/packages/cozeloop-langchain/src/otel/schema.ts
index 2700169..a3a2242 100644
--- a/packages/cozeloop-langchain/src/otel/schema.ts
+++ b/packages/cozeloop-langchain/src/otel/schema.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { type, type Type } from 'arktype';
 
diff --git a/packages/cozeloop-langchain/src/otel/sdk.ts b/packages/cozeloop-langchain/src/otel/sdk.ts
index d3d7575..5f710df 100644
--- a/packages/cozeloop-langchain/src/otel/sdk.ts
+++ b/packages/cozeloop-langchain/src/otel/sdk.ts
@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// Copyright (c) 2026 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 import { NodeSDK } from '@opentelemetry/sdk-node';