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/models/incident.py

@@ -20,7 +20,7 @@ C-Suite 戰略會議決議 (2026-03-22):
 - Semantic Memory (Vector DB): 向量化後的知識，供 RAG 檢索
 """
 
-from datetime import datetime, timezone
+from datetime import UTC, datetime
 from enum import Enum
 from typing import Literal
 from uuid import UUID, uuid4
@@ -30,7 +30,6 @@ from pydantic import BaseModel, Field
 # 復用現有模型 (避免重複定義)
 from src.models.approval import BlastRadius
 
-
 # =============================================================================
 # Incident 專用 Enums
 # =============================================================================
@@ -280,7 +279,7 @@ class Incident(BaseModel):
 
     # === 識別 ===
     incident_id: str = Field(
-        default_factory=lambda: f"INC-{datetime.now(timezone.utc).strftime('%Y%m%d')}-{str(uuid4())[:6].upper()}",
+        default_factory=lambda: f"INC-{datetime.now(UTC).strftime('%Y%m%d')}-{str(uuid4())[:6].upper()}",
         description="事件唯一識別碼 (如 INC-20260322-A1B2C3)",
     )
 
@@ -322,11 +321,11 @@ class Incident(BaseModel):
 
     # === 時間軸 ===
     created_at: datetime = Field(
-        default_factory=lambda: datetime.now(timezone.utc),
+        default_factory=lambda: datetime.now(UTC),
         description="事件建立時間",
     )
     updated_at: datetime = Field(
-        default_factory=lambda: datetime.now(timezone.utc),
+        default_factory=lambda: datetime.now(UTC),
         description="最後更新時間",
     )
     resolved_at: datetime | None = Field(