fix(styles): synchronize accent across open apps

packages/styles/src/theme.ts

@@ -745,6 +745,17 @@ export function renderThemeRuntime(theme: ResolvedTheme): string {
     window.dispatchEvent(new CustomEvent("wrnexus:accent-changed",{detail:{accent:null}}));
   }
 
+  function syncSharedAccent(){
+    var cookieAccent=readCookie(ACCENT_COOKIE);
+    var next=cookieAccent&&ACCENTS.indexOf(cookieAccent)>=0?cookieAccent:DEFAULT_ACCENT;
+    var current=el.getAttribute("data-accent");
+    if(next===current)return;
+    if(next)el.setAttribute("data-accent",next);else el.removeAttribute("data-accent");
+    syncStylesheet(getTheme(),next);
+    syncAccentButtons(document);
+    window.dispatchEvent(new CustomEvent("wrnexus:accent-changed",{detail:{accent:next}}));
+  }
+
   function bind(root){
     var target=root||document;
 
@@ -803,6 +814,10 @@ export function renderThemeRuntime(theme: ResolvedTheme): string {
   };
 
   window.addEventListener("wrnexus:navigated",function(){bind(document);});
+  window.addEventListener("focus",syncSharedAccent);
+  window.addEventListener("pageshow",syncSharedAccent);
+  document.addEventListener("visibilitychange",function(){if(!document.hidden)syncSharedAccent();});
+  window.setInterval(syncSharedAccent,1000);
   if(document.readyState==="loading"){
     document.addEventListener("DOMContentLoaded",function(){bind(document);});
   }else{