Implement native asset pipeline and cache (#64)

README.md

@@ -358,6 +358,13 @@ and uses same-directory temporary replacement with rollback. The compatibility
 and persistence contract is documented in
 [`docs/inventory.md`](docs/inventory.md).
 
+Native asset models now enforce bounded format decoding, real JPEG 2000 and Ogg
+Vorbis codec boundaries, client-owned capability and LLUDP downloads, complete
+small/Xfer and two-stage capability uploads, independent cancellation for
+deduplicated HTTP subscribers, and atomic size-pruned disk caching. The ownership,
+correlation, and corruption contracts are documented in
+[`docs/assets.md`](docs/assets.md).
+
 The client-owned `InventoryManager` now implements the packet-level create,
 update, move, copy, remove, fetch, search, give, rez/derez, script-state, and
 task-inventory workflows. Callback IDs and concurrent item/task waiters are