Safe Git Revert for GSD

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name: gsd-undo description: "Safe git revert. Roll back phase or plan commits using the phase manifest with dependency checks." argument-hint: "--last N | --phase NN | --plan NN-MM" allowed-tools:

• Read
• Bash
• Glob
• Grep
• AskUserQuestion

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<objective> Safe git revert — roll back GSD phase or plan commits using the phase manifest, with dependency checks and a confirmation gate before execution.

Three modes:

• --last N: Show recent GSD commits for interactive selection
• --phase NN: Revert all commits for a phase (manifest + git log fallback)
• --plan NN-MM: Revert all commits for a specific plan </objective>

<execution_context> @~/.claude/gsd-core/workflows/undo.md @~/.claude/gsd-core/references/ui-brand.md @~/.claude/gsd-core/references/gate-prompts.md </execution_context>

<context> $ARGUMENTS </context> <process> Execute end-to-end. </process>