PRD to Plan

Break a PRD into a phased implementation plan using vertical slices (tracer bullets). Output is a Markdown file in ./plans/.

Process

The PRD should already be in the conversation. If it isn't, ask the user to paste it or point you to the file.

If you have not already explored the codebase, do so to understand the current architecture, existing patterns, and integration layers.

Before slicing, identify high-level decisions that are unlikely to change throughout implementation:

Installs

Repository

First Seen

Mar 23, 2026

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