Fix mypy error: convert ConfigFlow domain from class parameter to attribute

[Copilot]

Mypy 1.10+ with Python 3.11 rejects domain as a class inheritance parameter in ConfigFlow definitions.

Changes

• Converted domain from class parameter to class attribute in HADailyCounterConfigFlow

Before:

class HADailyCounterConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
    VERSION = 1

After:

class HADailyCounterConfigFlow(config_entries.ConfigFlow):
    VERSION = 1
    domain = DOMAIN

This follows the standard Home Assistant pattern for ConfigFlow domain declaration and resolves the [call-arg] error from __init_subclass__.

Original prompt

Corrige este error en mypy

Run mypy --config-file mypy.ini
custom_components/ha_daily_counter/config_flow.py:38: error: Unexpected keyword
argument "domain" for "init_subclass" of "object" [call-arg]
class HADailyCounterConfigFlow(config_entries.ConfigFlow, domain=DOMAI...
^
/opt/hostedtoolcache/Python/3.11.14/x64/lib/python3.11/site-packages/mypy/typeshed/stdlib/builtins.pyi:124: note: "init_subclass" of "object" defined here
Found 1 error in 1 file (checked 6 source files)
Error: Process completed with exit code 1.

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