fix: skill test-task / precision helpers crash on a non-dict skill (#1638)

tests/test_skills_routes_nondict.py

@@ -0,0 +1,14 @@
+"""Regression: skill helpers must tolerate a non-dict skill.
+
+_skill_test_task did `skill.get(...)` and _should_check_retrieval_precision did
+`skill.get("tags")`; a skill row that loaded as a bare string/None raised
+AttributeError. They now treat a non-dict as empty / not-applicable.
+"""
+from routes.skills_routes import _skill_test_task, _should_check_retrieval_precision
+
+
+def test_non_dict_skill_does_not_crash():
+    assert isinstance(_skill_test_task("not a dict"), str)
+    assert isinstance(_skill_test_task(None), str)
+    assert _should_check_retrieval_precision("x") is False
+    assert _should_check_retrieval_precision(None) is False