chore: 为类型检查添加 TYPE_CHECKING 的导入与阶段类型引用 (#5474)

astrbot/core/pipeline/__init__.py

@@ -8,7 +8,7 @@ resolution for backward compatibility.
 from __future__ import annotations
 
 from importlib import import_module
-from typing import Any
+from typing import TYPE_CHECKING, Any
 
 from astrbot.core.message.message_event_result import (
     EventResultType,
@@ -17,6 +17,17 @@ from astrbot.core.message.message_event_result import (
 
 from .stage_order import STAGES_ORDER
 
+if TYPE_CHECKING:
+    from .content_safety_check.stage import ContentSafetyCheckStage
+    from .preprocess_stage.stage import PreProcessStage
+    from .process_stage.stage import ProcessStage
+    from .rate_limit_check.stage import RateLimitStage
+    from .respond.stage import RespondStage
+    from .result_decorate.stage import ResultDecorateStage
+    from .session_status_check.stage import SessionStatusCheckStage
+    from .waking_check.stage import WakingCheckStage
+    from .whitelist_check.stage import WhitelistCheckStage
+
 _LAZY_EXPORTS = {
     "ContentSafetyCheckStage": (
         "astrbot.core.pipeline.content_safety_check.stage",