Stabilize diagnostic export and preserve authorized policy continuity

README.md

@@ -21,6 +21,11 @@ tested WebTransport lifecycle attempts without exposing raw browser debugging
 APIs. Its observation channel preserves clipboard protection; unsupported
 transport payloads remain blocked by the native relay boundary.
 
+[Bounded diagnostics](docs/diagnostics-backpressure.md) preserve authorized
+exports through policy-version updates and cancel them when permissions change.
+Current native clipboard, upload, restart, local Gemma and transport fixtures
+pass with zero lifetime export failures; historical failures remain documented.
+
 S Browser uses translucent materials, rounded controls, light/dark themes, and a content-first layout inspired by Safari. Website content is left unchanged.
 
 ## A look inside