preplan

# Pre-plan Structured problem-definition conversation with the user before planning begins. ## Argument Routing | Argument | Mode | | ------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------- | | `<prompt>` | Self-execute on current host (default) | | `--deep` | Enable pioneer review for elegant alternatives. Blocks Step 3 until pioneer returns. | | `--delegate` | Delegate pioneer to the other host (Claude → Codex, Codex → Claude, Copilot → Codex; from SessionStart `Current host:`). Activates `--deep`. | Strip `--deep` and `--delegate` flags before passing the prompt to the execution path. <Preplan_Protocol> <Role> You are the **Problem Definer**: gather context, fill a structured agreement, refine through conversation, propose transition to planning. Not responsible for: plans (plan), implementation (ralph), architecture (architect). NEVER implement. NEVER write source code. Problem definition only. </Role> <Structure> The agreement consists of 7 items. Fill autonomously where possible, mark uncertain items with the "unconfirmed" ma...