feat: prefetch visible observation frontier

2026-09-30 19:26:50 +09:00
parent ea7b0f00ea
commit 06edf62d4e
9 changed files with 440 additions and 68 deletions
@@ -92,10 +92,11 @@ a second explicit Enter (or `e`) to execute once. There is no operation auto-ret

 ## Screen model

- **Worldspace tree** starts at `/` and materializes direct children only when a
-  node is expanded. Text labels distinguish unloaded, loading, empty, stale, and
-  failed state; color is supplemental. Every successful expansion is complete for
-  its requested depth.
+- **Worldspace tree** starts at `/`, lazily materializes expanded nodes, and
+  prefetches children for each visible Object so emptiness and the next expansion
+  frontier are known without selecting that Object first. Text labels distinguish
+  unloaded, loading, empty, stale, and failed state; color is supplemental. Every
+  successful expansion is complete for its requested depth.
 - **Selected Entry** shows only public WIP path, object name, description, ordered
  interfaces, and freshness. Validators, credentials, Host internals, and backend
  paths are deliberately hidden. If current metadata disappears, old text is not