009: publish AXPR23 final source and public documentation

docs/archive/README.md

@@ -19,6 +19,7 @@ Do **not** delete these. Owner may retry on the current `009` kernel/userspace.
 | Pre-closure acceptance | `../009-lab-acceptance-20261002-*`, `../009-user-zip-audit-20261007.md` | Older `UNOFFICIAL` / `dev-keys` zips |
 | Vanilla LOS | `../003-*` | First `repo sync` / `mka bacon` (done) |
 | Speckit dumps | `../sunfish-a16-rom-speckit-dump*.txt`, `../001-*-review-pack.txt` | Import noise |
+| USB migration / polish | `009-usb-polish-session-20261016.md` | Historical USB-to-polish session, FLASH_READY AXPR23 pointers; not an AXPR24 build input |
 
 Fortify/CVE files keep `Status: historical` banners. Prefer linking from
 [`../README.md`](../README.md).