Second Opinion

Spawns an isolated critic subagent to find problems with the current plan or proposal. The critic reads the codebase to verify the plan's claims — it doesn't just reason about them abstractly. After the critique, the main agent must make hard calls and show concrete changes, not hand-wave.

Workflow

Step 1 — Build the briefing

Before spawning the critic, assemble a complete briefing. The critic starts cold with zero context — anything you don't include, it can't use. Include:

1. The proposal — what you intend to do, in full. Not a summary. The actual plan with specific files, functions, and approaches.
2. Assumptions — what you're taking for granted. Be honest. The critic will find