David Kong 618288aa79 Create extension file structure with tool scaffolding ... - Add .pi/extensions/pi-worktree.ts with correct imports and default export - Define WorktreeEntry, WorktreeListResult, WorktreeError types - Register 4 tools: create, list, switch, remove (stubs) - Register /worktree command (stub) - Add helper function stubs: parseWorktreeList, pathExists, resolveWorktreeTarget - Uses defineTool() and Type from pi SDK for type-safe registration		2026-07-24 18:16:00 +10:00
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extensions	Create extension file structure with tool scaffolding	2026-07-24 18:16:00 +10:00