Sounds: synthesized sound set and a debug sound board

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

apps/desktop/pubspec.lock

@@ -723,14 +723,14 @@ packages:
       path: "../../packages/core"
       relative: true
     source: path
-    version: "0.2.2"
+    version: "1.0.0"
   sync_relay_server:
     dependency: "direct main"
     description:
       path: "../../packages/server"
       relative: true
     source: path
-    version: "0.2.2"
+    version: "1.0.0"
   synchronized:
     dependency: transitive
     description: