Potential fix for pull request finding

Hardening - partially-corrupted registry degrades gracefully

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: mbachorik

src/specify_cli/presets.py

@@ -333,9 +333,16 @@ def list_by_priority(self) -> List[tuple]:
             Metadata is deep-copied to prevent accidental mutation.
         """
         import copy
-        packs = self.data["presets"]
+        packs_raw = self.data.get("presets", {})
+        packs = packs_raw if isinstance(packs_raw, dict) else {}
+        items = []
+        for pack_id, meta in packs.items():
+            if not isinstance(meta, dict):
+                # Skip malformed entries to keep registry iteration robust
+                continue
+            items.append((pack_id, copy.deepcopy(meta)))
         return sorted(
-            [(pack_id, copy.deepcopy(meta)) for pack_id, meta in packs.items()],
+            items,
             key=lambda item: (item[1].get("priority", 10), item[0]),
         )