Module stft_bake 

Cold-path STFT/CQT sidecar bake — preview bins → mmap-ready AudioSpectralSidecarHeader payload.

Runs at ingest only (heap OK in caller buffer). Hot U3 reads mmap or preview bins.

Enums

StftBakeError

Functions

bake_stft_sidecar_from_preview

Bake STFT sidecar bytes into caller out (header + frame_count × bin_count f32 raster).

bake_tensor_stft_sidecar

Bake from Tensor10D preview channels (cold ingest linker).

synthesize_stft_frame

Synthesize one STFT frame from preview bins with temporal phase evolution.