feat(main_esp32): hoàn thành uart slave#8
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NHÁNH UART (Giao Tiếp Master - Slave)
Kiến trúc Phân giải File: Sử dụng FSM (Mạng máy trạng thái) để hứng byte thô thay vì cắt dán chuỗi String (split). Truyền thẳng cấu trúc dữ liệu theo Block (C-Struct / Little-Endian) giúp tốc độ phân rã dữ liệu đạt độ trễ gần bằng 0.
Bộ lọc Gói tin (CRC-8): Áp dụng thuật toán Mã kiểm tra vòng đa thức (CRC-8 Polynomial) thay thế hoàn toàn cho Checksum cộng dồn lỏng lẻo. Giúp mạch tự động vứt bỏ các gói dữ liệu bị phá hủy bởi từ trường nhiễu của Động cơ.