feat(engine): 添加MCP连接管理和工具集成功能

- 集成MCP连接管理器，支持MCP服务器连接
- 添加多种内置工具：ClarifyTool、CronTool、DelegateTool、ExecuteCodeTool、
  PatchFileTool、ProcessTool、SendMessageTool、SpawnTool、TerminalTool、
  TodoTool、WebFetchTool、WebSearchTool、WriteFileTool等
- 实现工具注册和装配功能
- 添加技能选择上下文参数
- 支持思考模式控制参数thinking_enabled

feat(coordinator): 重构任务执行计划器参数命名

- 将learning_candidate_enabled重命名为allow_candidate_generation
- 更新TeamGraphScheduler中的参数传递
- 修改LocalAgentRunner中的相关参数处理
- 更新README文档中的相应描述

refactor(context): 标准化工具调用参数格式

- 添加_json导入用于参数序列化
- 实现_provider_tool_calls方法标准化OpenAI兼容的工具调用载荷
- 修复工具调用中参数非字符串类型的序列化问题

refactor(session): 优化消息历史记录过滤逻辑

- 修改get_messages_as_conversation为基于运行状态过滤消息
- 排除未完成、失败或错误结束的运行记录
- 改进对话历史的可见性控制机制

fix(store): 修复FTS索引重建逻辑

- 添加异常处理防止FTS索引创建失败
- 实现_rebuild_fts_index方法重新构建全文搜索索引
- 优化索引触发器和表的维护流程

app-instance/backend/uv.lock

@@ -238,6 +238,7 @@ version = "0.1.0"
 source = { editable = "." }
 dependencies = [
     { name = "anthropic" },
+    { name = "croniter" },
     { name = "fastapi" },
     { name = "fastmcp" },
     { name = "httpx" },
@@ -245,6 +246,7 @@ dependencies = [
     { name = "litellm" },
     { name = "openai" },
     { name = "pydantic" },
+    { name = "python-multipart" },
     { name = "typer" },
     { name = "uvicorn", extra = ["standard"] },
 ]
@@ -257,6 +259,7 @@ dev = [
 [package.metadata]
 requires-dist = [
     { name = "anthropic", specifier = ">=0.51.0,<1.0.0" },
+    { name = "croniter", specifier = ">=6.0.0,<7.0.0" },
     { name = "fastapi", specifier = ">=0.115.0,<1.0.0" },
     { name = "fastmcp", specifier = ">=3.0.0,<4.0.0" },
     { name = "httpx", specifier = ">=0.28.0,<1.0.0" },
@@ -265,6 +268,7 @@ requires-dist = [
     { name = "openai", specifier = ">=1.79.0,<2.0.0" },
     { name = "pydantic", specifier = ">=2.12.0,<3.0.0" },
     { name = "pytest", marker = "extra == 'dev'", specifier = ">=9.0.0,<10.0.0" },
+    { name = "python-multipart", specifier = ">=0.0.20,<1.0.0" },
     { name = "typer", specifier = ">=0.20.0,<1.0.0" },
     { name = "uvicorn", extras = ["standard"], specifier = ">=0.34.0,<1.0.0" },
 ]
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 ]
 
+[[package]]
+name = "croniter"
+version = "6.2.2"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "python-dateutil" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/df/de/5832661ed55107b8a09af3f0a2e71e0957226a59eb1dcf0a445cce6daf20/croniter-6.2.2.tar.gz", hash = "sha256:ba60832a5ec8e12e51b8691c3309a113d1cf6526bdf1a48150ce8ec7a532d0ab", size = 113762, upload-time = "2026-03-15T08:43:48.112Z" }
+wheels = [
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+]
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 name = "cryptography"
 version = "48.0.0"
@@ -1927,6 +1943,18 @@ wheels = [
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 ]
 
+[[package]]
+name = "python-dateutil"
+version = "2.9.0.post0"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "six" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/66/c0/0c8b6ad9f17a802ee498c46e004a0eb49bc148f2fd230864601a86dcf6db/python-dateutil-2.9.0.post0.tar.gz", hash = "sha256:37dd54208da7e1cd875388217d5e00ebd4179249f90fb72437e91a35459a0ad3", size = 342432, upload-time = "2024-03-01T18:36:20.211Z" }
+wheels = [
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+]
+
 [[package]]
 name = "python-dotenv"
 version = "1.2.2"
@@ -2317,6 +2345,15 @@ wheels = [
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 ]
 
+[[package]]
+name = "six"
+version = "1.17.0"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/94/e7/b2c673351809dca68a0e064b6af791aa332cf192da575fd474ed7d6f16a2/six-1.17.0.tar.gz", hash = "sha256:ff70335d468e7eb6ec65b95b99d3a2836546063f63acc5171de367e834932a81", size = 34031, upload-time = "2024-12-04T17:35:28.174Z" }
+wheels = [
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+]
+
 [[package]]
 name = "sniffio"
 version = "1.3.1"