remove changelog page and sidebar link

Drop /dashboard/changelog route, ChangelogTab component, useChangelog
hook, the sidebar nav item, and the related tr/en translation keys.
API-side changelog schemas are untouched.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

apps/web/src/routes/dashboard.tsx

@@ -31,7 +31,6 @@ import { Link, Outlet, createFileRoute, useNavigate, useRouterState } from "@tan
 import {
   BarChart3,
   BookOpen,
-  CalendarDays,
   ChevronsUpDown,
   Copy,
   CreditCard,
@@ -51,6 +50,7 @@ import {
   Shield,
   Sparkles,
   Sun,
+  Trophy,
   Users,
 } from "lucide-react";
 import { useEffect, useState } from "react";
@@ -72,6 +72,7 @@ const mainMenuItems: readonly NavItem[] = [
   { to: "/dashboard/search", labelKey: "nav.search", icon: Search },
   { to: "/dashboard/catalog", labelKey: "nav.catalog", icon: Library },
   { to: "/dashboard/history", labelKey: "nav.history", icon: History },
+  { to: "/dashboard/uzmanlar", labelKey: "nav.experts", icon: Trophy },
 ];
 
 const accountItems: readonly NavItem[] = [
@@ -81,7 +82,6 @@ const accountItems: readonly NavItem[] = [
 ];
 
 const supportItems: readonly NavItem[] = [
-  { to: "/dashboard/changelog", labelKey: "nav.changelog", icon: CalendarDays },
   { to: "/dashboard/contact", labelKey: "nav.contact", icon: Mail },
   { to: "/dashboard/blog", labelKey: "nav.blog", icon: BookOpen },
 ];

apps/web/src/routes/dashboard/changelog.tsx

@@ -1,14 +0,0 @@
-import { ChangelogTab } from "@/components/settings/changelog-tab";
-import { createFileRoute } from "@tanstack/react-router";
-
-export const Route = createFileRoute("/dashboard/changelog")({
-  component: ChangelogPage,
-});
-
-function ChangelogPage() {
-  return (
-    <div className="mx-auto max-w-3xl">
-      <ChangelogTab />
-    </div>
-  );
-}