docs(release): CHANGELOG and credits for library index busy UI (PR #850)

CHANGELOG.md

@@ -156,6 +156,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 
 
+### Settings — local library index exclude/include feedback
+
+**By [@cucadmuh](https://github.com/cucadmuh), PR [#850](https://github.com/Psychotoxical/psysonic/pull/850)**
+
+* **Settings → Library:** **Exclude from sync** and **Include again** show immediate busy labels and block repeat clicks while bind/unbind runs; exclude cancels an in-flight sync first.
+
+
+
 ## [1.46.0] - 2026-05-18
 
 > **🙏 Special thanks to [@zz5zz](https://github.com/zz5zz)** for his tireless quirk-spotting and bug reports on the [Psysonic Discord](https://discord.gg/AMnDRErm4u) — several of the polish fixes in this release landed directly off the back of his messages.

src/config/settingsCredits.ts

@@ -125,6 +125,7 @@ const CONTRIBUTOR_ENTRIES = [
       'Local library index: multi-server settings UI, serial sync queue, music-library-scoped local search, parallel initial ingest, i18n across 9 locales (PR #846)',
       'Library browse: local-vs-network text search race, All Albums/Artists catalog from index, DevTools browse-race logging (PR #847)',
       'Player stats: local listening history tab with heatmap, year summary, recent days, and day drill-down (PR #849)',
+      'Settings → Library: exclude/include index buttons show busy state and block repeat clicks (PR #850)',
     ],
   },
   {