BTDebug: BLE Debugger

Highlights:
Fast Bluetooth Low Energy device scanning
Real-time RSSI indicators and signal-based sorting
Smart device classification using Appearance, service UUIDs, and manufacturer data
GATT service and characteristic discovery
Read, Write, Notify, and Indicate operations
Serialized GATT operation queue for improved reliability
Live advertising packet inspection with HEX and ASCII views
Manufacturer Data and Service Data analysis
Packet change highlighting and capture history
Unified GATT packet timeline
JSON and CSV packet export
Built-in OKOK/Chipsea scale detection and broadcast decoding
Multi-condition device filtering
Search by device name or MAC address
Reusable filtering presets
Android 12+ modern Bluetooth permissions
Automatic recovery from common GATT 133 errors