feat(interaction-api): Allow "text/csv" as a supported document mime type for Interaction API.

PiperOrigin-RevId: 917520528

Author: google-genai-bot

google/genai/_interactions/types/document_content.py

@@ -31,7 +31,7 @@ class DocumentContent(BaseModel):
     data: Optional[str] = None
     """The document content."""
 
-    mime_type: Optional[Literal["application/pdf"]] = None
+    mime_type: Optional[Literal["application/pdf", "text/csv"]] = None
     """The mime type of the document."""
 
     uri: Optional[str] = None

google/genai/_interactions/types/document_content_param.py

@@ -35,7 +35,7 @@ class DocumentContentParam(TypedDict, total=False):
     data: Annotated[Union[str, Base64FileInput], PropertyInfo(format="base64")]
     """The document content."""
 
-    mime_type: Literal["application/pdf"]
+    mime_type: Literal["application/pdf", "text/csv"]
     """The mime type of the document."""
 
     uri: str

google/genai/_interactions/types/step_delta.py

@@ -124,7 +124,7 @@ class DeltaDocument(BaseModel):
 
     data: Optional[str] = None
 
-    mime_type: Optional[Literal["application/pdf"]] = None
+    mime_type: Optional[Literal["application/pdf", "text/csv"]] = None
 
     uri: Optional[str] = None