feat(FN-2579): merge fusion/fn-2579 (auto-resolved)

- fix(FN-2579): complete Step 3 — refine split-button accessibility
- fix(FN-2579): resolve workspace lint regression in provider
- test(FN-2579): complete Step 2 — update header engine control tests
- feat(FN-2579): complete Step 1 — style engine split-button dropdown
- feat(FN-2579): complete Step 0 — add engine control split-button behavior
- chore(release): v1.0.0

plugins/fusion-plugin-paperclip-runtime/CHANGELOG.md

@@ -4,8 +4,8 @@
 
 ### Patch Changes
 
-- @fusion/engine@0.3.0
-- @fusion/plugin-sdk@0.3.0
+- @fusion/engine@1.0.0
+- @fusion/plugin-sdk@1.0.0
 
 ## 0.1.2