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>

.env.example

@@ -0,0 +1,26 @@
+# Database (MySQL)
+DB_HOST=mysql.theaken.com
+DB_PORT=33306
+DB_NAME=db_A102
+DB_USER=A102
+DB_PASSWORD=Bb123456
+DATABASE_URL=mysql+pymysql://A102:Bb123456@mysql.theaken.com:33306/db_A102
+
+# JWT
+SECRET_KEY=your-super-secret-key-change-in-production
+ALGORITHM=HS256
+ACCESS_TOKEN_EXPIRE_MINUTES=30
+REFRESH_TOKEN_EXPIRE_DAYS=7
+
+# App
+APP_NAME=KPI Management System
+DEBUG=True
+
+# Ollama LLM API
+OLLAMA_API_URL=https://ollama_pjapi.theaken.com
+OLLAMA_DEFAULT_MODEL=qwen2.5:3b
+
+# Gitea
+GITEA_URL=https://gitea.theaken.com
+GITEA_USER=donald
+GITEA_TOKEN=9e0a888d1a25bde9cf2ad5dff2bb7ee6d68d6ff0