refactor(clan_lib): move update to clan_lib.clan

pkgs/clan-cli/clan_lib/clan/update.py

@@ -0,0 +1,23 @@
+from dataclasses import dataclass
+
+from clan_lib.api import API
+from clan_lib.flake import Flake
+from clan_lib.nix_models.clan import InventoryMeta as Meta
+from clan_lib.persist.inventory_store import InventorySnapshot, InventoryStore
+from clan_lib.persist.util import set_value_by_path
+
+
+@dataclass
+class UpdateOptions:
+    flake: Flake
+    meta: Meta
+
+
+@API.register
+def update_clan_meta(options: UpdateOptions) -> InventorySnapshot:
+    inventory_store = InventoryStore(options.flake)
+    inventory = inventory_store.read()
+    set_value_by_path(inventory, "meta", options.meta)
+    inventory_store.write(inventory, message="Update clan metadata")
+
+    return inventory