Add QuietComfort Headphones (prince) support

[silverpoetry]

Summary

• Add qc_prince support for Bose QuietComfort Headphones (prince, product ID 0x4075) across Python, Rust, and C++ catalogs/configs.
• Add the 47-byte ModeConfig STATUS parser and 39-byte ModeConfig SETGET builder used by this device.
• Add a ModeConfig fallback for live CNC/wind updates when [31.10] AudioModesSettingsConfig is not available.
• Document the observed protocol, including RFCOMM channel 8, mode switching packets, raw CNC scale, wind block, and unsupported ANC-off attempts.

Notes

This is intentionally separate from QuietComfort 45 (duran, 0x4039), which remains unverified.

Testing

• python/.venv/Scripts/python.exe -m pytest python/tests -q -> 134 passed, 18 skipped
• git diff --check -> clean, aside from existing line-ending warnings on Windows
• Rust tests were not run: cargo/rustc are not installed in this Windows environment.
• C++ build was attempted with CMake/MSVC, but this repo's C++ target depends on Linux/BlueZ headers (bluetooth/bluetooth.h) and POSIX popen/pclose, so it cannot build in this Windows environment.

[Copilot]

Pull request overview

Adds first-class support for Bose QuietComfort Headphones (“prince”, PID 0x4075) by extending the device catalogs/configs across Rust, Python, and C++, introducing a device-specific ModeConfig parser/builder pair (47-byte STATUS / 39-byte SETGET), and adding a fallback path that derives/updates “live” CNC/wind settings via the current editable ModeConfig when [31.10] AudioModesSettingsConfig is unavailable.

Changes:

• Add qc_prince device configuration and register it in catalogs/auto-detection across Rust/Python/C++.
• Implement prince ModeConfig parsing/building (47-byte STATUS, 39-byte SETGET) and select builders via config.
• Add “audio settings” fallback via current ModeConfig + update CLI/docs/tests accordingly.

Reviewed changes

Copilot reviewed 26 out of 26 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
rust/src/main.rs	CLI: report ANC toggle as unsupported for devices without [31.10] and without an ANC toggle bit.
rust/src/devices.rs	Add qc_prince DeviceConfig and extend configs with mode-config builder + ANC-toggle capability flag.
rust/src/device.rs	Add config fields for ModeConfig builder + ANC-toggle support; add prince parser and 39-byte builder.
rust/src/connection.rs	Add ModeConfig-based fallback for reading/updating audio settings; select builder via device config.
rust/src/catalog.rs	Mark prince as supported by linking PID 0x4075 to qc_prince.
README.md	Document prince support and link new protocol notes; update examples/comments and device tables.
python/tests/test_qc_ultra2.py	Register and validate qc_prince in the Python device registry.
python/tests/test_device_parsers.py	Add tests for 39-byte builder and 47-byte parser behavior.
python/tests/test_connection.py	Add tests covering ModeConfig fallback read/write behavior for prince.
python/tests/test_catalog.py	Validate prince catalog lookup and support status.
python/pybmap/devices/qc_prince.py	New Python device config module for QuietComfort Headphones (“prince”).
python/pybmap/devices/parsers.py	Add parse_mode_config_47 and build_mode_config_39.
python/pybmap/devices/init.py	Register qc_prince and map PID 0x4075 for auto-detection.
python/pybmap/connection.py	Add audio_settings() accessor + ModeConfig fallback update path.
python/pybmap/cli.py	Use device-configured ModeConfig parser; handle ANC output for unsupported toggle devices.
python/pybmap/catalog.py	Mark prince as supported (config="qc_prince").
docs/quietcomfort-headphones-prince.md	New protocol notes for prince (RFCOMM channel, packets, layouts, limitations).
docs/architecture.md	Update architecture docs to reflect builder selection and prince device characteristics.
cpp/tests/test_parsers.cpp	Add builder/parser tests for prince ModeConfig formats.
cpp/tests/test_connection.cpp	Add fallback behavior tests; extend mock transport to record sent packets.
cpp/tests/test_catalog.cpp	Validate prince catalog lookup and support status.
cpp/src/main.cpp	CLI: report ANC toggle as unsupported for devices without toggle support.
cpp/src/devices.h	Add qc_prince() DeviceConfig and register it in get_device().
cpp/src/device.h	Add prince ModeConfig parser and 39-byte builder; add builder + ANC-toggle fields to config.
cpp/src/connection.h	Add ModeConfig fallback for audio settings; select builder via device config.
cpp/src/catalog.h	Mark prince as supported by linking PID 0x4075 to qc_prince.

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.