feat(plugins): isolate device integrations

tests/test_usb_snapshot.py

@@ -7,8 +7,8 @@ from pathlib import Path
 import pytest
 from typer.testing import CliRunner
 
-from k1link.cli import app
-from k1link.usb.snapshot import (
+from k1link.device_plugins.xgrids_k1.cli import app
+from k1link.device_plugins.xgrids_k1.usb.snapshot import (
     DISKUTIL_COMMAND,
     SERIAL_IOREG_COMMAND,
     USB_IOREG_COMMAND,
@@ -242,7 +242,7 @@ def test_usb_snapshot_cli_writes_json(
             "device_writes_performed": False,
         },
     }
-    monkeypatch.setattr("k1link.cli.usb_snapshot", lambda: payload)
+    monkeypatch.setattr("k1link.device_plugins.xgrids_k1.cli.usb_snapshot", lambda: payload)
 
     result = runner.invoke(app, ["usb", "snapshot", "--out", str(output)])