What wireless PIR BLE sensor for ESP32C6 and RGB LED, easy to integrate?

Battery powered PIR sensor, do you have any power supply there (usually USB 5V)? Battery-powered is not bad at all, I'll pre-empt the question, provided you use the right batteries. For such devices, particularly those operating outdoors in highly variable temperature conditions, lithium batteries are the only sensible option. I use Energizer Ultimate Lithium. Although the price is a bit high, at around 10pln a piece, they are worth every penny, as the ordinary "cheapest" batteries died after a few days in winter, the alkaline ones lasted a month in the cold, and the higher ones have been working for over 2 years and are still at 80% according to the application.
As for the battery detector model itself, I use one like this:
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Model and manufacturer unknown, I bought on Allegro for ridiculous money.