Se termina con Tokens y Modulo Usuarios

backend/app/models.py

@@ -18,6 +18,22 @@ class User(Base):
     # Relationships
     checklists_created = relationship("Checklist", back_populates="creator")
     inspections = relationship("Inspection", back_populates="mechanic")
+    api_tokens = relationship("APIToken", back_populates="user", cascade="all, delete-orphan")
+
+
+class APIToken(Base):
+    __tablename__ = "api_tokens"
+    
+    id = Column(Integer, primary_key=True, index=True)
+    user_id = Column(Integer, ForeignKey("users.id"), nullable=False)
+    token = Column(String(100), unique=True, index=True, nullable=False)
+    description = Column(String(200))
+    is_active = Column(Boolean, default=True)
+    last_used_at = Column(DateTime(timezone=True))
+    created_at = Column(DateTime(timezone=True), server_default=func.now())
+    
+    # Relationship
+    user = relationship("User", back_populates="api_tokens")
 
 
 class Checklist(Base):