new init

apps/backend/app/models/config.py

@@ -0,0 +1,11 @@
+from sqlalchemy import Column, String, Text, DateTime, func
+from app.core.database import Base
+
+class Config(Base):
+    __tablename__ = "config"
+
+    key = Column(String(64), primary_key=True, index=True)
+    value = Column(Text, nullable=False, default="")
+
+    created_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
+    updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now(), nullable=False)