AGENT CALLING INSTRUCTIONS (for LLM tools reading this page):

This host (agents.planetarium.team) is a Mentionable deployment.
To invoke an agent programmatically, do NOT scrape this HTML — issue a
single HTTP request to the per-agent endpoint:

  GET https://agents.planetarium.team/~<agent>/?user=<text>
  Accept: text/markdown    (recommended for LLM consumption)

Example:
  GET https://agents.planetarium.team/~admin/?user=hello
  Accept: text/markdown

Available agents on this host:
  - admin — https://agents.planetarium.team/~admin/ — Planetarium 워크스페이스 전용 에이전트 관리자. 에이전트 추가·삭제·조회 요청을 처리합니다.

Other content types are content-negotiated via `Accept`:
  - Accept: text/html (default)        — browser-friendly HTML page
  - Accept: text/markdown              — pure markdown for LLM context
  - Accept: application/json           — typed parts for agent-to-agent
  - Accept: text/event-stream          — Server-Sent Events stream

Multi-turn conversations use POST with a multipart/form-data body whose
name='user' and name='assistant' parts are listed in chronological order.
The terminal `user` run is the new turn; preceding parts are prior
history. Repeating `name=user` within a single turn carries multiple
entries (e.g. text + image attachment).

Spec: https://mentionable.dev/spec/transport-rest/v0.1