重构 API 路由并新增工作流编排功能

后端：
- 重构 agents, heartbeats, locks, meetings, resources, roles, workflows 路由
- 新增 orchestrator 和 providers 路由
- 新增 CLI 调用器和流程编排服务
- 添加日志配置和依赖项

前端：
- 更新 AgentsPage、SettingsPage、WorkflowPage 页面
- 扩展 api.ts 新增 API 接口

其他：
- 清理测试 agent 数据文件
- 新增示例工作流和项目审计报告

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

backend/app/routers/roles.py

@@ -1,9 +1,12 @@
 """
 角色分配 API 路由
+接入 RoleAllocator 服务，基于任务分析分配角色
 """
 from fastapi import APIRouter
 from pydantic import BaseModel
-from typing import List, Dict
+from typing import List
+
+from ..services.role_allocator import get_role_allocator
 
 router = APIRouter()
 
@@ -20,29 +23,28 @@ class RoleAllocateRequest(BaseModel):
 @router.post("/primary")
 async def get_primary_role(request: RoleRequest):
     """获取任务主要角色"""
+    allocator = get_role_allocator()
+    primary = allocator.get_primary_role(request.task)
+    role_scores = allocator._analyze_task_roles(request.task)
     return {
         "task": request.task,
-        "primary_role": "developer",
-        "role_scores": {
-            "developer": 0.8,
-            "architect": 0.6,
-            "qa": 0.4,
-            "pm": 0.2
-        }
+        "primary_role": primary,
+        "role_scores": {k: round(v, 2) for k, v in role_scores.items()}
     }
 
 
 @router.post("/allocate")
 async def allocate_roles(request: RoleAllocateRequest):
     """分配角色"""
-    allocation = {}
-    for i, agent in enumerate(request.agents):
-        roles = ["developer", "architect", "qa"]
-        allocation[agent] = roles[i % len(roles)]
-
+    allocator = get_role_allocator()
+    allocation = await allocator.allocate_roles(
+        task=request.task,
+        available_agents=request.agents
+    )
+    primary = allocator.get_primary_role(request.task)
     return {
         "task": request.task,
-        "primary_role": "developer",
+        "primary_role": primary,
         "allocation": allocation
     }
 
@@ -50,6 +52,10 @@ async def allocate_roles(request: RoleAllocateRequest):
 @router.post("/explain")
 async def explain_roles(request: RoleAllocateRequest):
     """解释角色分配"""
-    return {
-        "explanation": f"基于任务 '{request.task}' 的分析，推荐了最适合的角色分配方案。"
-    }
+    allocator = get_role_allocator()
+    allocation = await allocator.allocate_roles(
+        task=request.task,
+        available_agents=request.agents
+    )
+    explanation = allocator.explain_allocation(request.task, allocation)
+    return {"explanation": explanation}