chore: import upstream snapshot with attribution

scripts/setup-paths.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+set -euo pipefail
+source "$(dirname "$0")/lib.sh"
+
+echo "=== Setting Up Paths ==="
+echo ""
+
+mkdir -p "$PREFIX/tmp"
+echo -e "${GREEN}[OK]${NC}   Created $PREFIX/tmp"
+
+mkdir -p "$PROJECT_DIR/patches"
+echo -e "${GREEN}[OK]${NC}   Created $PROJECT_DIR/patches"
+
+echo ""
+echo "Standard path mappings (via \$PREFIX):"
+echo "  /bin/sh      -> $PREFIX/bin/sh"
+echo "  /usr/bin/env -> $PREFIX/bin/env"
+echo "  /tmp         -> $PREFIX/tmp"
+
+echo ""
+echo -e "${GREEN}Path setup complete.${NC}"