#src/window##Purpose
Audio windowing utilities: fixed-size overlapping window iteration and
ring buffer management.
##Surfaces-`WindowIter`-`WindowBuffer`##Dependencies
None (self-contained).
##Invariants-WindowIter yields windows of exactly the configured size.
##Verification
```bash
cargo test --lib window
```
##Notes-WindowBuffer is used by the streaming pipeline for ring-buffer management.