Rework radar system

python_app/hardware_full/kamil_adc/processing.py

@@ -44,6 +44,7 @@ from __future__ import annotations
 from dataclasses import dataclass
 
 import numpy as np
+from numpy.typing import NDArray
 
 from python_app.models.run_config_schema import KamilAdcModel
 
@@ -189,7 +190,7 @@ class KamilAdcSweepProcessor:
             return phase + shift, anchor + shift
         return phase, anchor
 
-    def process(self, main: np.ndarray, reference: np.ndarray) -> np.ndarray | None:
+    def process(self, main: np.ndarray, reference: np.ndarray) -> NDArray[np.complex64] | None:
         """Return the S21 trace resampled onto the fixed grid, or ``None`` to reject.
 
         ``main`` and ``reference`` are equal-length complex arrays ordered by