docs: mark resolved issues — missing Silo icons (#11), QSS consolidation (#6)

- Issue #11: silo-tag.svg, silo-rollback.svg, silo-status.svg were added
  in silo-mod commit 1676b3e
- Next step #6: QSS duplication resolved via configure_file() build step

docs/KNOWN_ISSUES.md

@@ -28,7 +28,7 @@
 
 10. **`delete_bom_entry()` bypasses error normalization.** Uses raw `urllib.request` instead of `SiloClient._request()`.
 
-11. **Missing Silo icons.** Three commands reference icons that don't exist: `silo-tag.svg` (`Silo_TagProjects`), `silo-rollback.svg` (`Silo_Rollback`), `silo-status.svg` (`Silo_SetStatus`). The `_icon()` function returns an empty string, so these commands render without toolbar icons.
+11. ~~**Missing Silo icons.**~~ Resolved. Icons `silo-tag.svg`, `silo-rollback.svg`, and `silo-status.svg` were added in silo-mod commit `1676b3e`.
 
 ### Fixed (retain for reference)
 
@@ -79,6 +79,6 @@
 
 5. **Test coverage** -- Unit tests for ztools datum creation, Silo FreeCAD commands, and Go API endpoints.
 
-6. **QSS consolidation** -- Eliminate the 3-copy QSS duplication via build-time copy or symlinks. The canonical source is `resources/preferences/KindredCreate/KindredCreate.qss`.
+6. ~~**QSS consolidation**~~ -- Resolved. The PreferencePacks copy is now generated at build time via `configure_file()` (see issue #1).
 
 7. **Update notification UI** -- Display in-app notification when a new release is available (issue #30). The update checker backend is already implemented.