refactor: move ssh/upload.py from cli to lib

Move the upload module to clan_lib to better organize SSH-related
utilities. Updated all imports across the codebase.

pkgs/clan-cli/clan_cli/facts/upload.py

@@ -6,9 +6,9 @@ from tempfile import TemporaryDirectory
 from clan_lib.flake import require_flake
 from clan_lib.machines.machines import Machine
 from clan_lib.ssh.host import Host
+from clan_lib.ssh.upload import upload
 
 from clan_cli.completions import add_dynamic_completer, complete_machines
-from clan_cli.ssh.upload import upload
 
 log = logging.getLogger(__name__)
 

pkgs/clan-cli/clan_cli/tests/test_upload_single_file.py

@@ -1,8 +1,8 @@
 from pathlib import Path
 
 import pytest
-from clan_cli.ssh.upload import upload
 from clan_lib.ssh.remote import Remote
+from clan_lib.ssh.upload import upload
 
 
 @pytest.mark.with_core

pkgs/clan-cli/clan_cli/vars/secret_modules/password_store.py

@@ -6,11 +6,11 @@ from collections.abc import Iterable
 from pathlib import Path
 from tempfile import TemporaryDirectory
 
-from clan_cli.ssh.upload import upload
 from clan_cli.vars._types import StoreBase
 from clan_cli.vars.generate import Generator, Var
 from clan_lib.flake import Flake
 from clan_lib.ssh.host import Host
+from clan_lib.ssh.upload import upload
 
 log = logging.getLogger(__name__)
 

pkgs/clan-cli/clan_cli/vars/secret_modules/sops.py

@@ -22,13 +22,13 @@ from clan_cli.secrets.secrets import (
     has_secret,
 )
 from clan_cli.secrets.sops import load_age_plugins
-from clan_cli.ssh.upload import upload
 from clan_cli.vars._types import StoreBase
 from clan_cli.vars.generate import Generator
 from clan_cli.vars.var import Var
 from clan_lib.errors import ClanError
 from clan_lib.flake import Flake
 from clan_lib.ssh.host import Host
+from clan_lib.ssh.upload import upload
 
 
 @dataclass