fix(lint): ruff auto-fix + lewooogo-core src 加入 git

- Python: ruff --fix 修復 280 個 lint 錯誤
- lewooogo-core: src/ 目錄未追蹤，導致 CI eslint 失敗

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/api/src/agents/__init__.py

@@ -12,10 +12,10 @@ Agents:
 符合 leWOOOgo BRAIN 積木介面
 """
 
-from src.agents.base import BaseAgent, AgentResult
-from src.agents.security import SecurityAgent, SecurityResult
+from src.agents.action_planner import ActionPlan, ActionPlannerAgent
+from src.agents.base import AgentResult, BaseAgent
 from src.agents.blast_radius import BlastRadiusAgent, BlastRadiusResult
-from src.agents.action_planner import ActionPlannerAgent, ActionPlan
+from src.agents.security import SecurityAgent, SecurityResult
 
 __all__ = [
     "BaseAgent",

apps/api/src/agents/base.py

@@ -10,7 +10,7 @@ Base Agent - 專家 Agent 基礎類別
 
 from abc import ABC, abstractmethod
 from dataclasses import dataclass, field
-from datetime import datetime, timezone
+from datetime import UTC, datetime
 from enum import Enum
 from typing import Any, Generic, TypeVar
 
@@ -52,7 +52,7 @@ class AgentResult:
     latency_ms: int
     error: str | None = None
     raw_response: dict[str, Any] = field(default_factory=dict)
-    timestamp: datetime = field(default_factory=lambda: datetime.now(timezone.utc))
+    timestamp: datetime = field(default_factory=lambda: datetime.now(UTC))
 
     def to_dict(self) -> dict[str, Any]:
         """轉換為 dict (API 回傳用)"""

apps/api/src/agents/security.py

@@ -11,7 +11,6 @@ Security Agent - 安全風險評估專家
 符合 ADR-009 SecurityAgent 規範
 """
 
-import asyncio
 import time
 from dataclasses import dataclass, field
 from typing import Any