Record native Linux desktop and automatic update validation

docs/ROADMAP.md

@@ -41,10 +41,10 @@ Status: implementation started; no production release yet. Windows VM tests use
 - [ ] Global shortcut, opening/revealing source files, PDF page navigation.
 - [ ] Watchers and reconciliation across Windows, macOS and Linux.
   - [x] Native notification coordinator, bounded targeted reconciliation,
-    periodic verification and CPU-tested Windows create/update/rename/delete.
+    periodic verification and CPU-tested Windows/Linux create/update/rename/delete.
   - [x] Durable same-stat media hint invalidation, guarded metadata writes and
     real Google reindex/reuse regression; owned decoder scratch avoids feedback.
-  - [ ] Native Linux/macOS events, actual UI refresh and representative storage
+  - [ ] Native macOS events, actual watcher-driven UI refresh and representative storage
     failure/contention checks; see [automatic indexing](AUTOMATIC-INDEXING.md).
 
 ## 4. Media