Initial commit: KPI Management System Backend

Features:
- FastAPI backend with JWT authentication
- MySQL database with SQLAlchemy ORM
- KPI workflow: draft → pending → approved → evaluation → completed
- Ollama LLM API integration for AI features
- Gitea API integration for version control
- Complete API endpoints for KPI, dashboard, notifications

Tables: KPI_D_* prefix naming convention

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

app/schemas/employee.py

@@ -0,0 +1,87 @@
+"""
+員工 Schemas
+"""
+from datetime import date, datetime
+from typing import Optional
+from pydantic import BaseModel, EmailStr
+
+
+class DepartmentBase(BaseModel):
+    """部門基本資訊"""
+
+    id: int
+    code: str
+    name: str
+    level: str
+
+
+class DepartmentResponse(DepartmentBase):
+    """部門回應"""
+
+    parent_id: Optional[int]
+    is_active: bool
+
+    class Config:
+        from_attributes = True
+
+
+class EmployeeBase(BaseModel):
+    """員工基本資訊"""
+
+    id: int
+    employee_no: str
+    name: str
+    email: str
+
+
+class EmployeeSimple(EmployeeBase):
+    """員工簡要資訊"""
+
+    job_title: Optional[str]
+    role: str
+
+    class Config:
+        from_attributes = True
+
+
+class EmployeeResponse(EmployeeBase):
+    """員工回應"""
+
+    department_id: int
+    department: DepartmentBase
+    manager_id: Optional[int]
+    manager: Optional[EmployeeBase]
+    job_title: Optional[str]
+    role: str
+    status: str
+    hire_date: Optional[date]
+    created_at: datetime
+
+    class Config:
+        from_attributes = True
+
+
+class EmployeeCreate(BaseModel):
+    """建立員工"""
+
+    employee_no: str
+    name: str
+    email: EmailStr
+    password: str
+    department_id: int
+    manager_id: Optional[int] = None
+    job_title: Optional[str] = None
+    role: str = "employee"
+    hire_date: Optional[date] = None
+
+
+class EmployeeUpdate(BaseModel):
+    """更新員工"""
+
+    name: Optional[str] = None
+    email: Optional[EmailStr] = None
+    department_id: Optional[int] = None
+    manager_id: Optional[int] = None
+    job_title: Optional[str] = None
+    role: Optional[str] = None
+    status: Optional[str] = None