Fix basedpyright type errors (#25435)

Signed-off-by: -LAN- <laipz8200@outlook.com>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

api/core/app/app_config/common/sensitive_word_avoidance/manager.py

@@ -21,7 +21,7 @@ class SensitiveWordAvoidanceConfigManager:
 
     @classmethod
     def validate_and_set_defaults(
-        cls, tenant_id, config: dict, only_structure_validate: bool = False
+        cls, tenant_id: str, config: dict, only_structure_validate: bool = False
     ) -> tuple[dict, list[str]]:
         if not config.get("sensitive_word_avoidance"):
             config["sensitive_word_avoidance"] = {"enabled": False}
@@ -38,7 +38,14 @@ class SensitiveWordAvoidanceConfigManager:
 
             if not only_structure_validate:
                 typ = config["sensitive_word_avoidance"]["type"]
-                sensitive_word_avoidance_config = config["sensitive_word_avoidance"]["config"]
+                if not isinstance(typ, str):
+                    raise ValueError("sensitive_word_avoidance.type must be a string")
+
+                sensitive_word_avoidance_config = config["sensitive_word_avoidance"].get("config")
+                if sensitive_word_avoidance_config is None:
+                    sensitive_word_avoidance_config = {}
+                if not isinstance(sensitive_word_avoidance_config, dict):
+                    raise ValueError("sensitive_word_avoidance.config must be a dict")
 
                 ModerationFactory.validate_config(name=typ, tenant_id=tenant_id, config=sensitive_word_avoidance_config)