feat: Add notification automation blueprint for due tasks

[Copilot]

Adds a reusable Home Assistant automation blueprint that notifies users about due tasks. Blueprints placed under blueprints/automation/<domain>/ are automatically registered by HA when the custom component is loaded.

Changes

• blueprints/automation/task_tracker/notify_due_tasks.yaml — new blueprint wrapping the reference automation, with three configurable inputs:

Input	Default	Description
notification_time	08:00:00	Daily trigger time
notify_action	(required)	Notify service (e.g. notify.mobile_app_my_phone)
user_tag	user_tag	Tag that must appear in a task's tags attribute

The core filtering logic is preserved from the reference automation — only tasks where overdue_by % notification_interval == 0 produce a notification, avoiding repeated daily alerts for the same task.

• Fixes feat: Create blueprint for notification automations #62

[gensyn]

@copilot The blueprint is not offered when creating an automation.

[Copilot]

@copilot The blueprint is not offered when creating an automation.

Fixed in the latest commit. Simply placing the YAML file in the integration directory is not enough — HA doesn't scan custom component directories for blueprints automatically. I've added a _async_register_blueprints call inside async_setup that reads each blueprint YAML from the bundled blueprints/automation/task_tracker/ folder and registers it into the HA config via DomainBlueprints.async_add_blueprint. The blueprint will now appear in the automation creation UI under the "Task Tracker" folder.

[Copilot]

Pull request overview

Adds a bundled Home Assistant automation blueprint intended to notify users about due Task Tracker tasks, plus integration-side logic to make the blueprint available when the component loads.

Changes:

• Added a new automation blueprint YAML for “notify due tasks”.
• Updated the integration setup to register the bundled blueprint at runtime.
• Updated README option documentation and adjusted manifest dependencies.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 6 comments.

File	Description
README.md	Updates option documentation (Active Override now includes binary_sensor).
manifest.json	Adds a dependency entry related to blueprint support.
blueprints/task_tracker_notify.yaml	Introduces a reusable automation blueprint for due-task notifications.
init.py	Registers the packaged blueprint during integration setup.

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[gensyn]

@copilot Please move the imports from _async_register_blueprints(hass: HomeAssistant) to the top and instead add unit test coverage for the function.

[Copilot]

Done in b5a55d6. I moved the _async_register_blueprints imports to module top-level and added unit test coverage for _async_register_blueprints success and failure paths in tests/unit_tests/test_init.py.