feat: 新增 Agent 应用核心代码

- supervisor, memory, skills 模块
- LLM 工厂

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

agent/app/agent/skills/router.py

@@ -0,0 +1,46 @@
+"""
+Skill Router - 技能路由器
+"""
+from typing import List, Dict
+
+
+class SkillRouter:
+    """根据 LLM 决策选择要调用的技能"""
+
+    def __init__(self, available_skills: List[int]):
+        """
+        初始化技能路由器
+
+        Args:
+            available_skills: 可用技能 ID 列表
+        """
+        self.available_skills = available_skills
+
+    async def route(self, llm_decision: dict) -> List[dict]:
+        """
+        解析 LLM 的技能调用决策
+
+        Args:
+            llm_decision: LLM 决策结果
+
+        Returns:
+            List[dict]: 要执行的技能列表
+        """
+        if not llm_decision.get('tool_calls'):
+            return []
+
+        routes = []
+        for tool_call in llm_decision['tool_calls']:
+            skill_id = tool_call.get('skill_id') or tool_call.get('tool_name')
+
+            # 检查技能是否可用
+            if self.available_skills and skill_id not in self.available_skills:
+                continue
+
+            routes.append({
+                'skill_id': skill_id,
+                'params': tool_call.get('parameters', {}),
+                'reason': tool_call.get('reason', '')
+            })
+
+        return routes