feat: mypy for all type check (#10921)

api/core/file/file_manager.py

@@ -1,4 +1,5 @@
 import base64
+from collections.abc import Mapping
 
 from configs import dify_config
 from core.helper import ssrf_proxy
@@ -55,7 +56,7 @@ def to_prompt_message_content(
     if f.type == FileType.IMAGE:
         params["detail"] = image_detail_config or ImagePromptMessageContent.DETAIL.LOW
 
-    prompt_class_map = {
+    prompt_class_map: Mapping[FileType, type[MultiModalPromptMessageContent]] = {
         FileType.IMAGE: ImagePromptMessageContent,
         FileType.AUDIO: AudioPromptMessageContent,
         FileType.VIDEO: VideoPromptMessageContent,
@@ -63,7 +64,7 @@ def to_prompt_message_content(
     }
 
     try:
-        return prompt_class_map[f.type](**params)
+        return prompt_class_map[f.type].model_validate(params)
     except KeyError:
         raise ValueError(f"file type {f.type} is not supported")