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/models/kpi_template.py

@@ -0,0 +1,88 @@
+"""
+KPI 範本 Model
+"""
+from datetime import datetime
+from typing import Optional, List, TYPE_CHECKING
+
+from sqlalchemy import String, Integer, Boolean, DateTime, Text, ForeignKey, JSON
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.core.database import Base
+
+if TYPE_CHECKING:
+    from app.models.kpi_item import KPIItem
+
+
+class KPITemplate(Base):
+    """KPI 範本"""
+
+    __tablename__ = "KPI_D_templates"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    code: Mapped[str] = mapped_column(String(50), unique=True, nullable=False)
+    name: Mapped[str] = mapped_column(String(200), nullable=False)
+    category: Mapped[str] = mapped_column(String(50), nullable=False)  # financial, customer, internal, learning
+    description: Mapped[Optional[str]] = mapped_column(Text)
+    default_weight: Mapped[int] = mapped_column(Integer, default=20)
+    level0_desc: Mapped[str] = mapped_column(Text, nullable=False)
+    level1_desc: Mapped[str] = mapped_column(Text, nullable=False)
+    level2_desc: Mapped[str] = mapped_column(Text, nullable=False)
+    level3_desc: Mapped[str] = mapped_column(Text, nullable=False)
+    level4_desc: Mapped[str] = mapped_column(Text, nullable=False)
+    applicable_roles: Mapped[Optional[str]] = mapped_column(JSON)  # JSON array for MySQL
+    applicable_depts: Mapped[Optional[str]] = mapped_column(JSON)  # JSON array for MySQL
+    is_active: Mapped[bool] = mapped_column(Boolean, default=True)
+    created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
+    updated_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
+
+    # Relationships
+    kpi_items: Mapped[List["KPIItem"]] = relationship("KPIItem", back_populates="template")
+    preset_items: Mapped[List["KPIPresetItem"]] = relationship("KPIPresetItem", back_populates="template")
+
+    def __repr__(self) -> str:
+        return f"<KPITemplate {self.code}: {self.name}>"
+
+
+class KPIPreset(Base):
+    """KPI 預設組合"""
+
+    __tablename__ = "KPI_D_presets"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    code: Mapped[str] = mapped_column(String(50), unique=True, nullable=False)
+    name: Mapped[str] = mapped_column(String(200), nullable=False)
+    description: Mapped[Optional[str]] = mapped_column(Text)
+    applicable_roles: Mapped[Optional[str]] = mapped_column(JSON)  # JSON array for MySQL
+    applicable_depts: Mapped[Optional[str]] = mapped_column(JSON)  # JSON array for MySQL
+    is_active: Mapped[bool] = mapped_column(Boolean, default=True)
+    created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
+    updated_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
+
+    # Relationships
+    items: Mapped[List["KPIPresetItem"]] = relationship(
+        "KPIPresetItem", back_populates="preset", cascade="all, delete-orphan"
+    )
+
+    def __repr__(self) -> str:
+        return f"<KPIPreset {self.code}: {self.name}>"
+
+
+class KPIPresetItem(Base):
+    """KPI 預設項目"""
+
+    __tablename__ = "KPI_D_preset_items"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    preset_id: Mapped[int] = mapped_column(ForeignKey("KPI_D_presets.id", ondelete="CASCADE"), nullable=False)
+    template_id: Mapped[int] = mapped_column(ForeignKey("KPI_D_templates.id"), nullable=False)
+    default_weight: Mapped[int] = mapped_column(Integer, nullable=False)
+    is_mandatory: Mapped[bool] = mapped_column(Boolean, default=False)
+    sort_order: Mapped[int] = mapped_column(Integer, default=0)
+    created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
+
+    # Relationships
+    preset: Mapped["KPIPreset"] = relationship("KPIPreset", back_populates="items")
+    template: Mapped["KPITemplate"] = relationship("KPITemplate", back_populates="preset_items")
+
+    def __repr__(self) -> str:
+        return f"<KPIPresetItem preset={self.preset_id} template={self.template_id}>"