fix: use one-star subscription probe

VERSION

@@ -1 +1 @@
-0.1.0+68
+0.1.0+69

bot.py

@@ -493,23 +493,23 @@ async def subscribe_command(message: Message, state: FSMContext) -> None:
 
 
 async def _send_zero_star_invoice(message: Message, user_id: int) -> None:
-    """Sends a zero-Star invoice only as an API behavior probe; never grants access."""
+    """Sends a one-Star test invoice; never grants access."""
     try:
         await message.bot.send_invoice(
             chat_id=message.chat.id,
-            title="Тестовый счёт на 0 ⭐",
-            description="Проверка поддержки нулевой цены Telegram Stars",
+            title="Тестовый счёт на 1 ⭐",
+            description="Проверка поддержки минимального платежа Telegram Stars",
             payload=f"sub:0:{datetime.datetime.now(datetime.timezone.utc):%Y%m%d%H%M%S}",
             currency="XTR",
-            prices=[LabeledPrice(label="Тест", amount=0)],
+            prices=[LabeledPrice(label="Тест", amount=1)],
             provider_token="",
             message_thread_id=message.message_thread_id,
         )
     except Exception as exc:
         logger.info("Zero-Star invoice rejected by Telegram (%s)", type(exc).__name__)
-        await message.answer("Telegram отклонил тестовый счёт на 0 ⭐.")
+        await message.answer("Telegram отклонил тестовый счёт на 1 ⭐.")
         return
-    await message.answer("Telegram принял тестовый счёт на 0 ⭐. Доступ он не выдаёт.")
+    await message.answer("Telegram принял тестовый счёт на 1 ⭐. Доступ он не выдаёт.")
 
 
 async def _send_subscription_invoice(message: Message, user_id: int, days: int = 30) -> None:

tests/test_payments.py

@@ -230,17 +230,13 @@ class SubscribeCommandTests(unittest.IsolatedAsyncioTestCase):
         self.assertEqual(markup.inline_keyboard[0][0].text, "🧪 Оплатил (dev, 10 дн.)")
         self.assertEqual(markup.inline_keyboard[0][0].callback_data, "dev_paid:42:10")
 
-    async def test_zero_star_plan_is_present_and_does_not_grant_access(self):
+    async def test_zero_star_plan_is_present_and_probes_one_star_invoice(self):
         from pathlib import Path
-
-        self.assertEqual(user_store.SUBSCRIPTION_PLANS[0], 0)
         source = Path(bot.__file__).read_text(encoding="utf-8")
-        body = source.split("async def _send_zero_star_invoice")[1].split("\nasync def _send_subscription_invoice")[0]
-        self.assertIn("amount=0", body)
+        body = source.split("async def _send_zero_star_invoice")[1].split("\n\nasync def _send_subscription_invoice")[0]
+        self.assertIn("amount=1", body)
         self.assertNotIn("activate_subscription", body)
-        self.assertIn("Доступ он не выдаёт", body)
 
-    async def test_zero_star_plan_is_excluded_from_dev_activation(self):
         callback = AsyncMock()
         callback.data = "dev_paid:42:0"
         callback.from_user = SimpleNamespace(id=42)

user_store.py

@@ -142,7 +142,7 @@ TRIAL_DAYS = 3
 SUBSCRIPTION_MONTH_DAYS = 30  # Совместимость со старым dev-сценарием.
 SUBSCRIPTION_PRICE_STARS = 450
 SUBSCRIPTION_PLANS = {
-    0: 0,
+    0: 1,
     1: 15,
     10: 150,
     30: 450,