Initial Auto-Build plugin structure

plugin/scripts/worktree-list.sh

@@ -0,0 +1,56 @@
+#!/bin/bash
+# List all git worktrees
+# Usage: worktree-list.sh
+
+set -e
+
+# Get project root (parent of .auto-build)
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+PROJECT_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"
+
+echo "========================================"
+echo "  Git Worktrees"
+echo "========================================"
+echo ""
+
+# Check if we're in a git repository
+if ! git -C "$PROJECT_ROOT" rev-parse --git-dir > /dev/null 2>&1; then
+    echo "Error: Not a git repository"
+    exit 1
+fi
+
+# List all worktrees from git
+echo "Active Worktrees:"
+echo ""
+
+cd "$PROJECT_ROOT"
+WORKTREES=$(git worktree list --porcelain)
+
+if [ -z "$WORKTREES" ]; then
+    echo "  No worktrees found"
+else
+    git worktree list
+fi
+
+echo ""
+
+# Show registry info if available
+REGISTRY_FILE="$PROJECT_ROOT/.auto-build-data/worktrees/worktree-registry.json"
+
+if [ -f "$REGISTRY_FILE" ]; then
+    echo "Auto-Build Registry:"
+    echo ""
+
+    if command -v jq &> /dev/null; then
+        jq -r '.worktrees[] | "  \(.name) (\(.status))\n    Branch: \(.branch)\n    Path: \(.path)\n    Created: \(.created)\n"' "$REGISTRY_FILE" 2>/dev/null || echo "  (empty)"
+    else
+        cat "$REGISTRY_FILE"
+    fi
+else
+    echo "Registry not found. Run /ab:worktree create first."
+fi
+
+echo ""
+echo "Commands:"
+echo "  Create:  /ab:worktree create <name>"
+echo "  Cleanup: /ab:worktree cleanup [name]"