{
  "id": "e3f0bbbb",
  "title": "Restore opencode alongside pi in nixos-config",
  "tags": [
    "history",
    "nix",
    "pi",
    "opencode"
  ],
  "status": "in_progress",
  "created_at": "2026-03-31T20:49:44.402Z",
  "assigned_to_session": "5607879f-b81a-4343-aa36-826e15630afc"
}

Find the repository change that replaced opencode with pi, then restore opencode while keeping pi side-by-side. Validate formatting/build/checks as required by AGENTS.md.