No assignment event sent out for lists' index assignment operations

[wixette]

dotnet run --project src/SeedLang.Shell -- -v Assignment
SeedLang.Shell 0.2.1-preview20220502124751
Copyright 2021-2022 The SeedV Lab.

Enabled Visualizers: Assignment

>>> a = [1, 2, 3]
---------- Source ----------
1     a = [1, 2, 3]

---------- Run ----------
1     a = [1, 2, 3]
Assign global a = [1, 2, 3]
>>> a[0] = 3
---------- Source ----------
1     a[0] = 3

---------- Run ----------

There is no notification for the code line a[0] = 3.