Here is a list of all files with brief descriptions:

src
cpp
core
base_detector.h
csi_features.h
csi_format.h
csi_types.h
detector_limits.h
detector_types.h
filter_config.h
filtered_turbulence_ring.h
filters.h
high_accuracy_detector.h
l1_delta_tracker.h
lightweight_detector.h
ml_feature_trackers.h
threshold.h
utils.h
runtime
esp_idf
runtime_frontend_controller.h
runtime_sensing_kconfig.h
csi_traffic_types.h
direct_websocket_protocol.h
direct_websocket_service.h
espectre_protocol.h	Wire types and payload builders for the ESPectre Protocol
espectre_sdk_version.h	Compile-time identity of the ESPectre SDK sources you compiled against
firmware_version.h
mqtt_transport.h
ota_service.h
runtime_capabilities.h
runtime_config_utils.h
runtime_diagnostics.h
runtime_events.h
runtime_interface.h	Runtime configuration and the backend contract behind it
runtime_sensing_schema.h	The schema behind RuntimeConfig: enums, defaults, and valid ranges
runtime_snapshot.h
espectre_core_sdk.h	Core-only detector API for custom CSI capture integrations
espectre_sdk.h	The public ESPectre integration surface, in one include