Reference implementation of the frozen IF-LOC v1.0 contract
(meta/contracts/ble-device-interface.md): byte-accurate codec for the
telemetry, capture-trigger, and capture-result frames, plus a
LocatorSimulator that replays a canned locate session over a
transport-agnostic loopback link. Unblocks App development without
firmware (Risk R-3, SRS S3.1).
Plain net9.0 (not a MAUI head) so it builds/runs headless under the QA
gate without the Android/iOS workloads; qa-gate.sh auto-discovers
*.Tests.csproj under app/tests/. Round-trip test asserts field-level
fidelity (every SRS S3.1 telemetry + capture-result field), sentinels,
endianness (incl. RFC 4122 big-endian pointId), the REJECTED path, and
exactly-once capture correlation (no silent drop, SRS-LOG-7). 8/8 green.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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