feat(/me): subscription data + rw controls

schemas/user.py

@@ -1,16 +1,21 @@
 from datetime import datetime
 
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, Field, computed_field
 
 
 class SubscriptionData(BaseModel):
-    devices: int = Field()
-    expires_at: datetime = Field()
-    addon_ids: list[str] = Field()
+    devices: int | None = Field(None)
+    expires_at: datetime | None = Field(None)
+    addon_ids: list[str] = Field(default_factory=list)
+    subscription_link: str | None = Field(None)
+
+    @property
+    @computed_field
+    def has_subscription(self) -> bool:
+        return all([self.devices, self.expires_at, self.subscription_link, self.addon_ids])
 
 
 class UserInfo(BaseModel):
     username: str | None = Field(None)
     telegram_id: str | None = Field(None)
-    subscription: SubscriptionData | None = Field(None)
     referal_code: str = Field()