feat(avatar): rename Token display to points

digital-avatar-app/backend/services/token_billing.py

@@ -82,7 +82,7 @@ def reserve_avatar_tokens(
 ) -> TokenReservation:
     user = avatar_owner_user(db, avatar)
     if not user:
-        raise InsufficientTokensError("分身尚未关联有效用户，暂时无法使用 Token")
+        raise InsufficientTokensError("分身尚未关联有效用户，暂时无法使用积分")
     account = get_or_create_account(db, user.id)
     reserved = estimate_request_tokens(messages, max_output_tokens)
     updated = (
@@ -95,7 +95,7 @@ def reserve_avatar_tokens(
     )
     if updated != 1:
         db.rollback()
-        raise InsufficientTokensError("Token 余额不足，请充值后继续")
+        raise InsufficientTokensError("积分余额不足，请充值后继续")
     db.refresh(account)
     usage = TokenUsage(
         user_id=user.id,
@@ -142,7 +142,7 @@ def settle_reservation(
         )
     )
     if updated != 1:
-        raise RuntimeError("Token 账户不存在")
+        raise RuntimeError("积分账户不存在")
     db.expire_all()
     account = db.query(TokenAccount).filter(TokenAccount.user_id == reservation.user_id).first()
     record.prompt_tokens = prompt_tokens