Improve test command to find spec/test files recursively

Use globstar for recursive matching and support both *.spec.ts
and *.test.ts patterns in any subdirectory.

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

framework/cmd.d/test

@@ -2,6 +2,14 @@
 
 set -eu
 
+shopt -s globstar nullglob
+
 DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 
-"$DIR"/../shims/pnpm tsx --test "$@"
+cd "$DIR/../../express"
+
+if [ $# -eq 0 ]; then
+    "$DIR"/../shims/pnpm tsx --test ./**/*.spec.ts ./**/*.test.ts
+else
+    "$DIR"/../shims/pnpm tsx --test "$@"
+fi