refactor!: 移除 plusone-commons 及 Guava 依赖，内化工具方法

完全移除对外部工具库 plusone-commons 和 Guava 的编译期依赖，
将所需功能内化实现，使项目成为真正的零依赖轻量级 JDBC 封装库。

- 新增 AssertTools: 断言工具（checkArgument / checkNotNull / checkState / checkCondition）
- 新增 NamingTools: 命名转换（camelToSnake）
- 新增 ThrowingConsumer / ThrowingPredicate: 可抛受检异常的函数式接口
- 新增 AssertToolsTests: 完整覆盖断言工具所有方法及边界场景
- pom.xml 移除 plusone-dependencies BOM，直接声明 jsr305 / test 依赖版本
- DefaultBeanRowMapper 使用 NamingTools.camelToSnake 替代 Guava CaseFormat
- ParamBuilder 内联 Optional 展开逻辑，去除 OptionalTools / CollectionTools
- JdbcOperationSupport 用 null/长度判断替代 ArrayTools.isEmpty/isNotEmpty
- NOTICE 移除第三方依赖声明；README 移除无依赖分支说明
- 测试：新增缩写映射（URL/XML/ID/HTML/HTTP）覆盖、TransactionException 构造器测试

BREAKING CHANGE: BatchUpdateStatus 不再实现 IWithIntCode 接口；
plusone-commons 和 Guava 不再作为传递依赖提供。

NOTICE

@@ -5,36 +5,20 @@ This product is licensed under the Apache License, Version 2.0.
 You may obtain a copy of the License at:
 https://www.apache.org/licenses/LICENSE-2.0
 
-================================================================================
-Third-Party Dependencies
-================================================================================
-
-1. plusone-commons (xyz.zhouxy.plusone:plusone-commons)
-   Copyright ZhouXY
-   Licensed under the Apache License, Version 2.0
-
-2. Google Guava (com.google.guava:guava)
-   Copyright (C) The Guava Authors
-   Licensed under the Apache License, Version 2.0
-
-3. JSR-305 Annotations (com.google.code.findbugs:jsr305)
-   Copyright (C) FindBugs
-   Licensed under the Apache License, Version 2.0
-
 ================================================================================
 Test Dependencies (Not included in distribution)
 ================================================================================
 
-4. JUnit Jupiter (org.junit.jupiter:junit-jupiter)
+1. JUnit Jupiter (org.junit.jupiter:junit-jupiter)
    Copyright 2015-2026 JUnit Team
    Licensed under the Eclipse Public License 2.0
 
-5. Logback (ch.qos.logback:logback-classic)
+2. Logback (ch.qos.logback:logback-classic)
    Copyright (C) 1999-2026, QOS.ch
    Licensed under the Eclipse Public License 1.0
    and GNU Lesser General Public License 2.1
 
-6. H2 Database (com.h2database:h2)
+3. H2 Database (com.h2database:h2)
    Copyright 1999-2026 H2 Database Project
    Licensed under the MPL 2.0 and EPL 1.0
 
@@ -42,6 +26,6 @@ Test Dependencies (Not included in distribution)
 Notes
 ================================================================================
 
-- This project is a lightweight JDBC wrapper designed for legacy projects 
+- This project is a lightweight JDBC wrapper designed for legacy projects
   without ORM frameworks.
 - For learning and reference purposes only.