fix(backend,frontend): expired story keeps its kind and archive heals stories that lost it, phone inputs no longer zoom the page

backend/src/utils/storage.py

@@ -24,6 +24,10 @@ class ContentAddressedStorage:
     def get(self, key: str) -> bytes:
         return self._path(key).read_bytes()
 
+    def head(self, key: str, size: int = 16) -> bytes:
+        with self._path(key).open("rb") as file:
+            return file.read(size)
+
     def exists(self, key: str) -> bool:
         return self._path(key).exists()