fix(ui): admin errors filters, overview views, phone menu, ended projects

- Admin errors: filters stack on phones (tabs, search, Sort and Group,
  refresh) instead of squeezing into one row
- Admin overview: Summary / Performance / Cache views, kept in the URL
  hash; charts take the full width on phones
- Phone menu: aligned rows with icons, neutral fill for the current page,
  account links inline, no duplicate Sign in
- My work: removed and expired projects get a labelled badge, a muted
  "Link offline" in place of the copy link, and an inline Enable/Extend

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

public/script/admin.js

@@ -1778,6 +1778,12 @@ export const overviewAdminController = function (state, http, location, interval
       state.cacheError = null;
       state.cacheMinutes = 60;
       state.cacheTraffic = "all";
+      // The overview is split into views; the hash keeps the chosen one on reload.
+      state.ovView = ["performance", "cache"].includes((window.location.hash || "").slice(1)) ? window.location.hash.slice(1) : "summary";
+      state.setOvView = function (view) {
+        state.ovView = view;
+        try { window.history.replaceState(null, "", view === "summary" ? window.location.pathname : "#" + view); } catch (e) { /* ignore */ }
+      };
       var cacheLoading = false;
       state.loadCache = function () {
         if (cacheLoading) return;