name: fusion-api description: Design and compare alternative API shapes; use when deciding on endpoints, request or response formats, or versioning.

Fusion API

Overview

Use an F-thread: three workers in separate worktrees propose competing API designs. The queen evaluates ergonomics and tradeoffs.

Inputs

• API description and constraints

Workflow

1. Verify git and mprocs.
2. Create session variables and worktrees.
3. Write tasks.json, worker prompts, and queen prompt.
4. Launch mprocs.

Worktree Commands

git worktree add "{WORKTREE_ROOT}/impl-a" -b fusion/{SESSION_ID}/impl-a
git worktree add "{WORKTREE_ROOT}/impl-b" -b fusion/{SESSION_ID}/impl-b
git worktree add "{WORKTREE_ROOT}/impl-c" -b fusion/{SESSION_ID}/impl-c

Worker Prompt Outline

• Worker A: REST-first, simple endpoints
• Worker B: resource-oriented with versioning
• Worker C: alternative (GraphQL or RPC-style)

Queen Prompt Outline

• Compare consistency, usability, versioning, and backward compatibility

mprocs Launch

mprocs --config .hive/mprocs.yaml

Output

• API design comparison and chosen spec