What problem does it solve? Turning an approved GitHub issue into a concrete, reviewable implementation plan requires gathering issue context, assessments, specs, and codebase knowledge manually. This Skill automates that planning ritual and enforces human approval before any code is written. ## Core Features & Use Cases - Full planning mode: Assembles context from the GitHub issue, prior assessment comments, linked spec files, and a scoped codebase explorer agent, then invokes the writing-plans methodology to produce a detailed TDD-oriented implementation plan. - Lite mode: Uses native Claude Code plan mode for lightweight planning, posting the plan to the issue via a hook. - Approval gate and execution handoff: Posts the plan to the GitHub issue, blocks on explicit human approval, then dispatches execution via subagent-driven, inline, or manual strategies. - Use Case: After /forge-assess approves issue #42, run the skill to produce a plan saved to tmp/issue-delivery/42/implementation-plan.md, posted to the issue, and executed on a fresh feature branch. ## Quick Start Run /forge-plan 42 to generate a full implementation plan for GitHub issue 42 and post it for approval.