Skip invalid skills CLI rows (#1553)

scripts/odysseus-skills

@@ -52,6 +52,10 @@ def _preview_text(value, limit: int = 200) -> str:
     return text[:limit]
 
 
+def _skill_entries(skills):
+    return [s for s in skills or [] if isinstance(s, dict)]
+
+
 def _summary(skill: dict) -> dict:
     return {
         "name": skill.get("name", ""),
@@ -65,7 +69,7 @@ def _summary(skill: dict) -> dict:
 
 
 def cmd_list(args):
-    out = _manager().load_all()
+    out = _skill_entries(_manager().load_all())
     if args.category:
         out = [s for s in out if (s.get("category") or "general") == args.category]
     out.sort(key=lambda s: (-int(s.get("uses") or 0), s.get("name", "")))
@@ -73,7 +77,7 @@ def cmd_list(args):
 
 
 def cmd_show(args):
-    for s in _manager().load_all():
+    for s in _skill_entries(_manager().load_all()):
         if s.get("name") == args.name:
             emit(s, args)
             return
@@ -82,7 +86,7 @@ def cmd_show(args):
 
 def cmd_categories(args):
     counts: dict[str, int] = {}
-    for s in _manager().load_all():
+    for s in _skill_entries(_manager().load_all()):
         c = s.get("category") or "general"
         counts[c] = counts.get(c, 0) + 1
     emit([{"category": c, "count": n} for c, n in sorted(counts.items())], args)
@@ -91,7 +95,7 @@ def cmd_categories(args):
 def cmd_delete(args):
     # Locate the skill's directory and rm -rf it.
     skills_root = Path(_DATA_DIR) / "skills"
-    for s in _manager().load_all():
+    for s in _skill_entries(_manager().load_all()):
         if s.get("name") != args.name:
             continue
         cat = s.get("category") or "general"
@@ -105,7 +109,7 @@ def cmd_delete(args):
 
 
 def cmd_export(args):
-    for s in _manager().load_all():
+    for s in _skill_entries(_manager().load_all()):
         if s.get("name") != args.name:
             continue
         cat = s.get("category") or "general"