Implement the task set supplied by the user. Coordinate the workflow only; delegate every repository edit.

1. Boundary

Satisfy every gate before delegation. Stop and ask when a gate fails:

The user supplied docs/<feature-slug>/tasks; read it and its referenced spec completely.
/unity-cli is available.
For UI work, /ui-ugui is available for Runtime/Canvas UI or /ui-imgui is available for Editor IMGUI.
The tasks need no external package the project does not already reference, including one requiring an .asmdef reference, Packages/manifest.json change, or editor-resource import such as TMP Essentials.

Run unity status. If no Editor is open, ask the user to open it.

2. Spawn the implementation subagents

For each task in filename order, spawn one subagent and wait for it to finish before spawning the next. Give the subagent its assigned task path.

The subagent completes these stages in order: