Bind audio cache reuse to remote identity

2026-08-10 21:09:21 +00:00
parent 8375ad83f3
commit d9fa1d9328
9 changed files with 414 additions and 58 deletions
--- a/docs/internal/command-restore.md
+++ b/docs/internal/command-restore.md
@@ -69,7 +69,9 @@ Audio restore path:

 - uses `audio.MaterializeS3Audio`;
 - integrates spool and S3 audio cache paths;
- supports cache-hit reuse without object redownload.
+- reuses cached audio only when its no-follow regular file, content digest, and
+  identity sidecar all match the selected remote object version; otherwise it
+  refreshes through the durable download path.

 ## Reporting Contract