chore: реализация детектора обязана установить stage

типо сигнал, что детект отработал корректно

src/antibot/base.py

@@ -97,7 +97,7 @@ class AntiBotProvider:
 
 	async def detect(self, page: Page) -> ChallengeInfo:
 		info = ChallengeInfo(
-			stage=Stage.INTERSTITIAL,
+			stage=None,  # noqa
 			provider=self.provider,
 			success_locator=self._success_locator,
 			detect_locator=self._detect_locator,
@@ -107,6 +107,7 @@ class AntiBotProvider:
 		return info
 
 	async def solve(self, page: Page, info: ChallengeInfo):
+		assert info.stage, "Unknown stage"
 		await self.solver.solve(page, info)
 
 	def configure(self, success_locator=None, detect_locator=None, **kwargs):

src/antibot/known_providers/recaptcha.py

@@ -114,6 +114,7 @@ class ReCaptchaDetector(Detector):
 		iframe = page.frame_locator("iframe[title='reCAPTCHA']")
 		# ожидаем когда будет загружен чекбокс
 
+		info.stage = Stage.INTERSTITIAL
 		checkbox = iframe.locator(checkbox_selector)
 		try:
 			await checkbox.wait_for(state="attached")