Support processing of non-text content in MCP integration

[ericapisani]

We only handle TextContent but we should expand this to other types of content that can be returned. See https://github.com/modelcontextprotocol/python-sdk/blob/2693fb95ae1462a3135da3c6099048783c60b012/src/mcp/types/_types.py#L813

[linear-code]

PY-2537