privacy policy and business integration

backend/app/platform_settings.py

@@ -0,0 +1,17 @@
+from sqlalchemy.orm import Session
+
+from .models import PlatformSetting
+
+
+def get_setting(db: Session, key: str, default: str = "") -> str:
+    row = db.get(PlatformSetting, key)
+    return row.value if row and row.value else default
+
+
+def set_setting(db: Session, key: str, value: str) -> None:
+    row = db.get(PlatformSetting, key)
+    if row:
+        row.value = value
+    else:
+        db.add(PlatformSetting(key=key, value=value))
+    db.commit()