@startuml
skinparam monochrome true

rectangle "Orchestrated Discussions TUI" as tui
rectangle "External Editor (nano/vim)" as editor
rectangle "Discussion File" as discussion
rectangle "Artifact File" as artifact

tui --> editor : "Add Artifact" button
editor --> artifact : Save PlantUML/Mermaid
artifact --> tui : ARTIFACT_SAVED:/path

note right of tui
  **MVP Path (2 days):**
  1. Add button to TUI
  2. Launch external editor
  3. Parse output
  4. Embed in comment
end note

@enduml