diff --git a/client/public/sounds/action.ogg b/client/public/sounds/action.ogg
new file mode 100644
index 0000000..e18dc71
Binary files /dev/null and b/client/public/sounds/action.ogg differ
diff --git a/client/public/version.js b/client/public/version.js
index 2f06f7d..95ff0d6 100644
--- a/client/public/version.js
+++ b/client/public/version.js
@@ -1,5 +1,5 @@
 // Maintainer-controlled web client version.
 // Format: YYYY.MM.DD Rn (example: 2026.02.20 R2)
-window.CHGRID_WEB_VERSION = "2026.02.27 R298";
+window.CHGRID_WEB_VERSION = "2026.02.27 R299";
 // Optional display timezone for timestamps. Falls back to America/Detroit if unset/invalid.
 window.CHGRID_TIME_ZONE = "America/Detroit";