Fixture Sources

Baseline repository: C3MA/DD3-LoRa-Bridge-MultiSender
Baseline branch: lora-refactor
Baseline commit: a3c61f9b929fbc55bfb502b443fba2f98023b3f1
Payload vectors: vendor/dd3-cpp/test/test_payload_codec/test_payload_codec.cpp
Payload note: VECTOR_FULL_30 in pinned commit is 183-byte upstream raw (stored as full_30_upstream_raw.bin); canonical full_30.bin appends final two p3 deltas 9A 03 85 03 to satisfy baseline codec semantics.
Frame/chunk vectors: derived from vendor/dd3-cpp/test/test_lora_transport/test_lora_transport.cpp semantics