fix: Dump kernels directly in json

src/qibolab/components/configs.py

@@ -9,10 +9,9 @@
 
 from typing import Annotated, Literal, Optional, Union
 
-import numpy.typing as npt
 from pydantic import Field
 
-from qibolab.serialize_ import Model
+from qibolab.serialize_ import Model, NdArray
 
 __all__ = [
     "DcConfig",
@@ -95,7 +94,7 @@ class AcquisitionConfig(Model):
     iq_angle: Optional[float] = None
     """Signal angle in the IQ-plane for disciminating ground and excited
     states."""
-    kernel: Annotated[Optional[npt.NDArray], Field(default=None, repr=False)]
+    kernel: Annotated[Optional[NdArray], Field(repr=False)] = None
     """Integration weights to be used when post-processing the acquired
     signal."""
 

src/qibolab/serialize.py

@@ -12,7 +12,7 @@
 
 from pydantic import Field, TypeAdapter
 
-from qibolab.components import AcquisitionConfig, Config
+from qibolab.components import Config
 from qibolab.execution_parameters import ConfigUpdate, ExecutionParameters
 from qibolab.kernels import Kernels
 from qibolab.native import (
@@ -246,8 +246,6 @@ def _dump_component_configs(component_configs) -> dict:
     components = {}
     for name, cfg in component_configs.items():
         components[name] = cfg.model_dump()
-        if isinstance(cfg, AcquisitionConfig):
-            del components[name]["kernel"]
     return components