52-execute-refactor-150

Safely coordinate codebase refactoring by using a three-stage workflow: research options, plan and implement with tests, then apply cleanup with approval gating. This staged process reduces risk and uncertainty for significant code restructuring.

The best way to plan staged code modularization is through a structured workflow covering research, planning, implementation, and cleanup. Stage 1 captures findings in an investigation log, Stage 2 implements with tests, and Stage 3 handles objective cleanup.

Validate code changes during major restructuring by applying stage-by-stage validation and tests. Stage 2 requires confirming that tests pass and documenting risks and edge cases before changes reach production, ensuring safe codebase modifications.

You cannot apply cleanup changes automatically; Stage 3 uses a cleanup protocol to apply objective, minimal changes after milestones, but it requires explicit user approval gating before any cleanup modifications are executed.

You need an investigation log for refactoring during Stage 1 to capture research findings and sources for refactor options. It provides a structured record of investigations to guide subsequent planning and implementation decisions.

This refactoring workflow does not require external dependencies. It is a self-contained process that guides researchers, planners, and implementers through staged activities and decision points using an investigation log template and defined exit criteria.