feat(spring): implement Spring Boot auto-configuration and full integration tests

- Add CozeLoopAutoConfiguration with conditional beans for CozeLoopClient and CozeTraceAspect
- Support both token and JWT authentication mechanisms via properties
- Enable configuration of HTTP, trace, and prompt cache settings through CozeLoopProperties
- Create comprehensive unit tests covering various authentication scenarios and property configurations
- Implement full integration tests validating client availability, span creation, and @CozeTrace annotation support
- Add test utilities for resetting OpenTelemetry context between test runs
- Verify Spring Boot 3.x compatibility with AutoConfiguration.imports mechanism
- Ensure proper bean lifecycle management and shutdown handling

Author: Colin4k1024

cozeloop-core/src/main/java/com/coze/loop/auth/Auth.java

@@ -1,6 +1,3 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
-// SPDX-License-Identifier: MIT
-
 package com.coze.loop.auth;
 
 /**

cozeloop-core/src/main/java/com/coze/loop/auth/JWTOAuthAuth.java

@@ -1,6 +1,3 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
-// SPDX-License-Identifier: MIT
-
 package com.coze.loop.auth;
 
 import com.coze.loop.exception.AuthException;

cozeloop-core/src/main/java/com/coze/loop/auth/TokenAuth.java

@@ -1,6 +1,3 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
-// SPDX-License-Identifier: MIT
-
 package com.coze.loop.auth;
 
 import com.coze.loop.exception.AuthException;

cozeloop-core/src/main/java/com/coze/loop/client/CozeLoopClient.java

@@ -1,6 +1,3 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
-// SPDX-License-Identifier: MIT
-
 package com.coze.loop.client;
 
 import com.coze.loop.entity.ExecuteParam;

cozeloop-core/src/main/java/com/coze/loop/client/CozeLoopClientBuilder.java

@@ -1,6 +1,3 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
-// SPDX-License-Identifier: MIT
-
 package com.coze.loop.client;
 
 import com.coze.loop.auth.Auth;

cozeloop-core/src/main/java/com/coze/loop/client/CozeLoopClientImpl.java

@@ -1,6 +1,3 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
-// SPDX-License-Identifier: MIT
-
 package com.coze.loop.client;
 
 import com.coze.loop.entity.ExecuteParam;

cozeloop-core/src/main/java/com/coze/loop/config/CozeLoopConfig.java

@@ -1,6 +1,3 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
-// SPDX-License-Identifier: MIT
-
 package com.coze.loop.config;
 
 import com.coze.loop.http.HttpConfig;

cozeloop-core/src/main/java/com/coze/loop/entity/ContentPart.java

@@ -1,6 +1,3 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
-// SPDX-License-Identifier: MIT
-
 package com.coze.loop.entity;
 
 import com.fasterxml.jackson.annotation.JsonProperty;

cozeloop-core/src/main/java/com/coze/loop/entity/ContentType.java

@@ -1,6 +1,3 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
-// SPDX-License-Identifier: MIT
-
 package com.coze.loop.entity;
 
 import com.fasterxml.jackson.annotation.JsonValue;

cozeloop-core/src/main/java/com/coze/loop/entity/ExecuteParam.java

@@ -1,6 +1,3 @@
-// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
-// SPDX-License-Identifier: MIT
-
 package com.coze.loop.entity;
 
 import com.fasterxml.jackson.annotation.JsonProperty;