FR: TTS for Notifications

TTS(text-to-speech) for filtered notifications with different modes like the whole message or only the keywords which were triggers.

The issue names filtered notifications, text-to-speech, whole-message mode, and keyword-only mode, but no files or tests. Start by locating the notification-filtering entry point and existing notification handling; done means filtered notifications can be spoken in each requested mode.

Written by the indexing model from the issue text.