test_case_id: "embed_ac_default_format_text_001"
description: "Tests «artifact_content:default.txt» (no format) for text/plain."
tags: ["common","embeds"]
skip_intermediate_events: true

setup_artifacts:
  - filename: "default.txt"
    mime_type: "text/plain"
    content: "This is default text content."
gateway_input:
  target_agent_name: "TestAgent"
  user_identity: "embed_late_tester@example.com"
  parts: [{type: "text", text: "Get default.txt with default format"}]
llm_interactions:
  - static_response:
      choices: [{message: {role: "assistant", content: "Default content: «artifact_content:default.txt»"}}]
expected_gateway_output:
  - type: "final_response"
    content_parts:
      - type: "text"
        text_contains: "Default content: This is default text content."
