Fix dw update to re-exec with new CLI after git pull

The script now re-executes itself after updating the dw CLI file,
ensuring any new update logic in the script actually runs. Uses
--continue flag to skip the pull phase on re-exec.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

dw

@@ -128,13 +128,20 @@ cmd_update() {
     echo -e "${BLUE}Updating Dune Weaver...${NC}"
     cd "$INSTALL_DIR"
 
-    echo "Pulling latest code..."
-    git pull
+    # Check if we should skip the pull phase (called after re-exec)
+    if [[ "$1" != "--continue" ]]; then
+        echo "Pulling latest code..."
+        git pull
+
+        # Update dw CLI
+        echo "Updating dw command..."
+        sudo cp "$INSTALL_DIR/dw" /usr/local/bin/dw
+        sudo chmod +x /usr/local/bin/dw
 
-    # Update dw CLI
-    echo "Updating dw command..."
-    sudo cp "$INSTALL_DIR/dw" /usr/local/bin/dw
-    sudo chmod +x /usr/local/bin/dw
+        # Re-exec with the new script to ensure new code runs
+        echo "Restarting with updated CLI..."
+        exec /usr/local/bin/dw update --continue
+    fi
 
     if is_docker_mode; then
         echo "Stopping current container..."
@@ -318,7 +325,7 @@ case "${1:-help}" in
         cmd_restart
         ;;
     update)
-        cmd_update
+        cmd_update "$2"
         ;;
     logs)
         cmd_logs "$2"