docs: record overview selector sync follow-up

workplans/STATE-WP-0057-overview-workstream-stage-counts.md

@@ -247,6 +247,12 @@ accurate workstream counts for all mode groups.
   and normalizes it inside the downstream chart cell before filtering and empty
   state selection. Added a `change` listener alongside `input` for persisted
   mode selection. `npm run test` and `npm run build` both passed after the fix.
+- 2026-06-07 second follow-up: Replaced the remaining custom-select `view(...)`
+  wiring with an explicit `Mutable` chart mode state after the operator reported
+  the selector was still stuck on `active`. Selector `input` and `change` events
+  now call `_setChartMode`, and the Plot cell depends directly on
+  `_chartModeState`. The running preview and built `dist/index.html` both show
+  that dependency shape. `npm run test` and a clean `npm run build` both passed.
 - Browser click-through remains pending because the Codex in-app browser bridge
   failed to start in this session with a Windows sandbox setup failure, and no
   local Playwright/Puppeteer package is installed for a headless fallback.