Fix test script to work on macOS default bash

Replace globstar (bash 4.0+) with find for portability.
macOS ships with bash 3.2 which doesn't support globstar.

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

framework/cmd.d/test

@@ -2,14 +2,14 @@
 
 set -eu
 
-shopt -s globstar nullglob
-
 DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 
 cd "$DIR/../../express"
 
 if [ $# -eq 0 ]; then
-    "$DIR"/../shims/pnpm tsx --test ./**/*.spec.ts ./**/*.test.ts
+    # Find all test files - use -print0/xargs to handle filenames safely
+    find . -type f \( -name '*.spec.ts' -o -name '*.test.ts' \) -print0 | \
+        xargs -0 "$DIR"/../shims/pnpm tsx --test
 else
     "$DIR"/../shims/pnpm tsx --test "$@"
 fi