Fix ConfigFlow registration to resolve persistent "Flow handler not found" error (v1.3.8)

[Copilot]

Home Assistant reports "Flow handler not found for entry" for all existing config entries, preventing access to counter configurations and options menu.

Root Cause

ConfigFlow used legacy domain registration (domain = DOMAIN class attribute) incompatible with HA 2021.11+ flow handler registry.

Changes

config_flow.py

# Before
class HADailyCounterConfigFlow(config_entries.ConfigFlow):
    domain = DOMAIN

# After
class HADailyCounterConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):  # type: ignore[call-arg]

init.py

• Added async_migrate_entry() handler for config entry version management

manifest.json

• Version: 1.3.7 → 1.3.8

Documentation

• Added CHANGELOG entry and bilingual release notes

Modern HA requires domain as constructor parameter for proper flow handler registration. The type: ignore annotation silences mypy's metaclass confusion while preserving runtime correctness.

Original prompt

Persisten los errores de migración

Registrador: homeassistant.config_entries
Fuente: config_entries.py:1081
Ocurrió por primera vez: 11:56:58 (9 ocurrencias)
Última vez registrado: 11:56:58

Flow handler not found for entry Apertura Ventana Dormitorio Baltasar for ha_daily_counter
Flow handler not found for entry Apertura Ventana Dormitorio Begoña for ha_daily_counter
Flow handler not found for entry Apertura Ventana Dormitorio Principal for ha_daily_counter
Flow handler not found for entry Apertura Ventanal Living for ha_daily_counter
Flow handler not found for entry Movimiento Pasillo for ha_daily_counter

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