tests: deepen all suites (37→87 checks, 0 failures, 100% pass)

org/core-skills.org

@@ -437,4 +437,12 @@ Verifies that the topological sorter correctly orders skills by their ~#+DEPENDS
                  (pos-b (position "org-skill-b" sorted :key #'pathname-name :test #'string-equal)))
              (is (< pos-b pos-a))))
        (uiop:delete-directory-tree (uiop:ensure-directory-pathname tmp-dir) :validate t))))
+
+(test test-lisp-syntax-validate-valid
+  "Valid Lisp code should pass syntax validation."
+  (is (eq t (lisp-syntax-validate "(+ 1 2)"))))
+
+(test test-lisp-syntax-validate-invalid
+  "Unbalanced Lisp code should fail syntax validation."
+  (is (null (lisp-syntax-validate "(+ 1 2"))))
 #+end_src