Orchestrate the build loop with split engines - Codex CLI sessions implement and take every first-pass review round while a high-taste Claude design model holds the final exit gate. Use when the user asks for a hybrid, split-model, or cross-model build loop, such as codex implementing with fable as the closer or final reviewer. Claude Code only.
Orchestrate the plan loop with split engines - a high-taste Claude design model drafts and revises the plan while Codex CLI sessions gate it as fresh plan reviewers. Use when the user asks for a hybrid, split-model, or cross-model planning loop, such as fable planning with codex reviewing. Claude Code only.
Review implementation against the plan and contract. Distinguish code bugs from contract gaps. Bounded convergence.
Orchestrate a monitored implementation loop where a worker implements the plan and fresh code reviewers gate the exit. Use when the user asks to run a supervised implementation or build loop on Codex threads or Claude Code background agents.
Orchestrate a monitored planning loop where a planner drafts the plan and fresh plan reviewers gate the exit. Use when the user asks to create or revise a plan through supervised specialist sessions on Codex threads or Claude Code background agents.
Review a plan against the actual codebase. Verify slices are sufficient, surfaces are complete, and invariants are correct.
Create a plan for the assigned issue. Reads issue scope and codebase, produces a plan document with slices and invariant matrix when the work is cross-cutting.
Execute the plan slice by slice using TDD. Self-check completeness before declaring the implementation result.