test(mcp): Support task integration tests#3185
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hengyunabc merged 7 commits intoalibaba:masterfrom May 8, 2026
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- add task ITs for capabilities, create/get/result and cancel - add TTL expiration coverage for tasks/get and tasks/result - add dedicated concurrency IT for multiple task-aware tools - extract shared MCP task test support - extend TargetJvmApp with multiple hot methods for stable concurrent testing
Body: Reduce DEFAULT_MAX_CONCURRENT_TASK_SESSIONS from 10 to 5 to better protect the target JVM from excessive concurrent instrumentation.
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变更说明
本 PR 为
arthas-mcp-integration-test增加 MCP task 能力的集成测试覆盖，并补充用于稳定并发场景的目标 JVM 方法。涉及文件：
arthas-mcp-integration-test/src/test/java/com/taobao/arthas/mcp/it/task/ArthasMcpTasksIT.javaarthas-mcp-integration-test/src/test/java/com/taobao/arthas/mcp/it/task/ArthasMcpTasksConcurrencyIT.javaarthas-mcp-integration-test/src/test/java/com/taobao/arthas/mcp/it/task/ArthasMcpTaskTestSupport.javaarthas-mcp-integration-test/src/test/java/com/taobao/arthas/mcp/it/TargetJvmApp.java主要内容
1. 新增基础 task 集成测试
新增
ArthasMcpTasksIT，覆盖以下主链路：initialize返回 task capabilitiestools/list中 task-aware tools 的taskSupport=OPTIONALtools/call带 task metadata 创建 tasktasks/listtasks/gettasks/resulttasks/canceltasks/get/tasks/result行为2. 新增并发 task 集成测试
新增
ArthasMcpTasksConcurrencyIT，验证多个 task-aware 命令并发执行。当前并发测试不是简单地同时发 3 个
watch到同一个方法，而是：watch->hotMethodAtrace->hotMethodBstack->hotMethodC避免把测试重点落在单一命令对同一目标方法的增强竞争上，使测试更聚焦 MCP task 并发执行能力本身。
3. 抽取共享测试支撑
新增
ArthasMcpTaskTestSupport，统一复用：这样可以减少 task 测试文件之间的重复实现，后续扩展 task 用例也更方便。
4. 扩展 TargetJvmApp
修改
TargetJvmApp，新增：hotMethodAhotMethodBhotMethodC并在主循环中持续调用这些方法，为并发 task 集成测试提供稳定、可区分的目标方法。