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/dashboard.py

@@ -0,0 +1,74 @@
+"""
+儀表板 Schemas
+"""
+from datetime import datetime
+from typing import Optional, List
+from pydantic import BaseModel
+
+
+class ProgressStats(BaseModel):
+    """進度統計"""
+
+    total: int
+    draft: int
+    pending: int
+    approved: int
+    self_eval: int
+    manager_eval: int
+    completed: int
+
+
+class DistributionItem(BaseModel):
+    """分佈項目"""
+
+    label: str
+    count: int
+    percentage: float
+
+
+class TrendItem(BaseModel):
+    """趨勢項目"""
+
+    period: str
+    average_score: float
+    completed_count: int
+
+
+class DashboardAlertResponse(BaseModel):
+    """儀表板警示回應"""
+
+    id: int
+    alert_type: str
+    severity: str
+    title: str
+    description: Optional[str]
+    related_sheet_id: Optional[int]
+    related_employee_id: Optional[int]
+    is_resolved: bool
+    created_at: datetime
+
+    class Config:
+        from_attributes = True
+
+
+class DashboardProgressResponse(BaseModel):
+    """儀表板進度回應"""
+
+    period_code: str
+    period_name: str
+    stats: ProgressStats
+    completion_rate: float
+
+
+class DashboardDistributionResponse(BaseModel):
+    """儀表板分佈回應"""
+
+    by_department: List[DistributionItem]
+    by_status: List[DistributionItem]
+    by_score_range: List[DistributionItem]
+
+
+class DashboardTrendsResponse(BaseModel):
+    """儀表板趨勢回應"""
+
+    trends: List[TrendItem]