fixup! docs: diigo-cache UX map

The public page's write access is resolved: it reads through viewer().

Generated-by: Claude Opus 5.5

capsite-notes.md

@@ -78,8 +78,8 @@ flowchart LR
 ⚠ misalignments:
 - publish and dump are admin actions held by the cache key, but live on
   HTTP form routes rather than the RPC facet the webkey page uses
-- the public page can write: a miss fills from diigo through the owner's
-  session (to become read-only: the reader facet only)
+- ~~the public page can write~~ — resolved: it reads only through the
+  read-only `viewer()` facet; unfetched pages say so
 - the webkey page has no dump or publish; the home page has no fill
 
 ## Native-plugin wiring (the part that took a while)