Add counter reconfiguration via options flow (v1.3.9)

[Copilot]

Enables editing existing counters through the UI without deletion/recreation. Previously, users had to delete and recreate counters to change trigger entities or states.

Implementation

• Update listener: Added async_reload_entry() and registered listener in async_setup_entry() to reload sensors when options change
• Edit flow: Three new steps in HADailyCounterOptionsFlow:
  • async_step_select_edit() - counter selection
  • async_step_edit_trigger_entity() - entity modification
  • async_step_edit_trigger_state() - state modification with bounds checking
• Consistency fix: Changed trigger state input from hardcoded selector to free-form string, matching config flow behavior
• Translations: Added edit-related strings in en.json, es.json, strings.json

Usage

# Options flow menu now includes:
# 1. Add counter
# 2. Edit counter  # NEW
# 3. Delete counter
# 4. Finish setup

# Edit flow shows current values:
# "Editing counter: Front Door
#  Current entity: binary_sensor.front_door
#  Select the new trigger entity:"

Version

Updated manifest.json to 1.3.9, added RELEASE_NOTES_v1.3.9.md and CHANGELOG.md entries.

Original prompt

La integración permite la reconfiguración de los contadores vía options_flow?

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