Add .gitattributes rules so .c/.h/.cpp/.hpp are always stored as LF
(prevents EOL drift from editors with autocrlf-true defaults), and
renormalize the 30 source files that had drifted to CRLF in the index.
Pure mechanical change — `git diff --ignore-cr-at-eol` is empty.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
- RegionMap::findMatch(): fix 1-byte stack overflow in tmp[] with bounded memcpy
- Packet::readFrom(): add bounds checks before reading transport codes
- Mesh::sendFlood(): release packet on TRACE type and invalid hash_size early returns
- CompanionMesh: add cleanupSignState() called from BLE disconnect to free sign buffer
- ZephyrCompanionUSB: add 2s timeout for partial V3 frames to prevent parser stall
- ui_mesh_actions: replace volatile bool with Zephyr atomic_t for cross-thread state
- CommonCLI: wrap ~40 fs_read() calls in prefs_read() helper with truncation warning
liquidraver