curl --request GET \
  --url https://api.example.com/issues/{issue_id}/artifact-context \
  --header 'Authorization: Bearer <token>'

{
  "issue_id": "<string>",
  "project_id": "<string>",
  "agent_name": "<string>",
  "available": {
    "learn_agent_kb": true,
    "uploaded_text_artifacts": true
  },
  "missing": [
    "<string>"
  ],
  "learn_agent_kb": {
    "version": 123,
    "agent_name": "<string>",
    "knowledge_preview": "<string>",
    "mermaid_preview": "<string>",
    "knowledge_truncated": true,
    "mermaid_truncated": true
  },
  "uploaded_text_artifacts": [
    {
      "id": "<string>",
      "filename": "<string>",
      "content_type": "<string>",
      "size_bytes": 123,
      "content_preview": "<string>",
      "preview_truncated": true
    }
  ],
  "caveats": [
    "<string>"
  ]
}