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This skill should be used when creating stacks, dependent branches, or when "stack", "stacked branches", "anchor", "--anchor", "but branch new -a", "create dependent branch", or "break feature into PRs" are mentioned with GitButler. Covers anchor-based stacking for dependent features and reviewable PR breakdown.

This skill should be used when coordinating multiple AI agents working concurrently, handling agent handoffs, transferring commits between agents, or when "multi-agent", "concurrent agents", "parallel agents", "agent collaboration", or "parallel execution" are mentioned with GitButler. Provides virtual branch patterns for parallel execution without coordination overhead.

This skill should be used when the user asks to "complete a branch", "merge to main", "finish my feature", "ship this branch", "integrate to main", "create a PR from GitButler", or when `--complete-branch` flag is mentioned. Guides completion of GitButler virtual branches with safety snapshots, integration workflows, and cleanup.

This skill should be used when the user asks to "create a virtual branch", "assign file to branch", "work on multiple features simultaneously", "organize commits after coding", "use but commands", or mentions GitButler, virtual branches, parallel development without checkout, post-hoc commit organization, multi-agent concurrent development, or `--gitbutler`/`--but` flags.