chore: Update dependencies and task list

models.py

@@ -0,0 +1,27 @@
+from sqlalchemy import Column, Integer, String, Text, ForeignKey
+from sqlalchemy.orm import relationship
+
+from .database import Base
+
+class User(Base):
+    __tablename__ = "users"
+
+    id = Column(Integer, primary_key=True, index=True)
+    # The user's unique ID from the platform (e.g., Twitch ID, YouTube Channel ID)
+    platform_user_id = Column(String, unique=True, index=True, nullable=False)
+    username = Column(String, index=True, nullable=False)
+    platform = Column(String, nullable=False) # e.g., "twitch", "youtube"
+    
+    # A JSON string or other format holding the encrypted access and refresh tokens
+    encrypted_tokens = Column(Text, nullable=False)
+
+    settings = relationship("Setting", back_populates="owner", uselist=False)
+
+class Setting(Base):
+    __tablename__ = "settings"
+
+    id = Column(Integer, primary_key=True, index=True)
+    custom_css = Column(Text, nullable=True)
+    user_id = Column(Integer, ForeignKey("users.id"))
+
+    owner = relationship("User", back_populates="settings")