Add university scraper system with backend, frontend, and configs

- Add src/university_scraper module with scraper, analyzer, and CLI
- Add backend FastAPI service with API endpoints and database models
- Add frontend React app with university management pages
- Add configs for Harvard, Manchester, and UCL universities
- Add artifacts with various scraper implementations
- Add Docker compose configuration for deployment
- Update .gitignore to exclude generated files

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

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

backend/app/models/university.py

@@ -0,0 +1,31 @@
+"""大学模型"""
+
+from datetime import datetime
+from sqlalchemy import Column, Integer, String, DateTime, Text
+from sqlalchemy.orm import relationship
+
+from ..database import Base
+
+
+class University(Base):
+    """大学表"""
+
+    __tablename__ = "universities"
+
+    id = Column(Integer, primary_key=True, index=True)
+    name = Column(String(255), nullable=False, index=True)
+    url = Column(String(500), nullable=False)
+    country = Column(String(100))
+    description = Column(Text)
+    status = Column(String(50), default="pending")  # pending, analyzing, ready, error
+
+    created_at = Column(DateTime, default=datetime.utcnow)
+    updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
+
+    # 关联
+    scripts = relationship("ScraperScript", back_populates="university", cascade="all, delete-orphan")
+    jobs = relationship("ScrapeJob", back_populates="university", cascade="all, delete-orphan")
+    results = relationship("ScrapeResult", back_populates="university", cascade="all, delete-orphan")
+
+    def __repr__(self):
+        return f"<University(id={self.id}, name='{self.name}')>"