Polish: Unicode diacritics fix, Header drawer, date formatting

- Czech diacritics properly rendered (no more escape sequences)
- Header avatar click opens drawer on mobile+desktop
- Invalid Date -> Bez terminu fallback with cs-CZ locale
- Chat/Settings pages improved

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

apps/tasks/app/chat/page.tsx

@@ -63,7 +63,7 @@ export default function ChatPage() {
       const assistantMsg: ChatMessage = {
         id: (Date.now() + 1).toString(),
         role: "assistant",
-        content: data.reply || data.message || "Omlouv\u00e1m se, nemohl jsem zpracovat va\u0161i zpr\u00e1vu.",
+        content: data.reply || data.message || "Omlouvám se, nemohl jsem zpracovat vaši zprávu.",
         timestamp: new Date(),
       };
       setMessages((prev) => [...prev, assistantMsg]);
@@ -71,7 +71,7 @@ export default function ChatPage() {
       const errorMsg: ChatMessage = {
         id: (Date.now() + 1).toString(),
         role: "assistant",
-        content: "Chat asistent je momentáln\u011b nedostupný. Zkuste to prosím pozd\u011bji.",
+        content: "Chat asistent je momentálně nedostupný. Zkuste to prosím později.",
         timestamp: new Date(),
       };
       setMessages((prev) => [...prev, errorMsg]);
@@ -101,7 +101,7 @@ export default function ChatPage() {
         </div>
         <div>
           <h1 className="font-semibold">AI Asistent</h1>
-          <p className="text-xs text-muted">Zeptejte se na cokoliv ohledn\u011b va\u0161ich úkol\u016f</p>
+          <p className="text-xs text-muted">Zeptejte se na cokoliv ohledně vašich úkolů</p>
         </div>
       </div>
 
@@ -114,9 +114,9 @@ export default function ChatPage() {
                 <path strokeLinecap="round" strokeLinejoin="round" d="M8 12h.01M12 12h.01M16 12h.01M21 12c0 4.418-4.03 8-9 8a9.863 9.863 0 01-4.255-.949L3 20l1.395-3.72C3.512 15.042 3 13.574 3 12c0-4.418 4.03-8 9-8s9 3.582 9 8z" />
               </svg>
             </div>
-            <p className="text-muted text-lg font-medium">Za\u010dn\u011bte konverzaci</p>
+            <p className="text-muted text-lg font-medium">Začněte konverzaci</p>
             <p className="text-muted text-sm mt-1">
-              Napi\u0161te zpr\u00e1vu a AI asistent v\u00e1m pom\u016f\u017ee s úkoly
+              Napište zprávu a AI asistent vám pomůže s úkoly
             </p>
           </div>
         )}
@@ -168,7 +168,7 @@ export default function ChatPage() {
             value={input}
             onChange={(e) => setInput(e.target.value)}
             onKeyDown={handleKeyDown}
-            placeholder="Napi\u0161te zpr\u00e1vu..."
+            placeholder="Napište zprávu..."
             rows={1}
             className="flex-1 px-4 py-3 border border-gray-300 dark:border-gray-600 rounded-2xl bg-white dark:bg-gray-800 focus:ring-2 focus:ring-blue-500 focus:border-transparent outline-none resize-none text-sm"
             style={{ maxHeight: "120px" }}

apps/tasks/app/tasks/[id]/page.tsx

@@ -148,10 +148,10 @@ export default function TaskDetailPage() {
   }
 
   const PRIORITY_LABELS: Record<string, { label: string; dot: string }> = {
-    low: { label: "Nízká", dot: "\uD83D\uDFE2" },
-    medium: { label: "Střední", dot: "\uD83D\uDFE1" },
-    high: { label: "Vysoká", dot: "\uD83D\uDFE0" },
-    urgent: { label: "Urgentní", dot: "\uD83D\uDD34" },
+    low: { label: "Nízká", dot: "🟢" },
+    medium: { label: "Střední", dot: "🟡" },
+    high: { label: "Vysoká", dot: "🟠" },
+    urgent: { label: "Urgentní", dot: "🔴" },
   };
 
   const pri = PRIORITY_LABELS[task.priority] || PRIORITY_LABELS.medium;

apps/tasks/components/Header.tsx

@@ -19,6 +19,7 @@ export default function Header() {
   }
 
   const closeDrawer = useCallback(() => setDrawerOpen(false), []);
+  const openDrawer = useCallback(() => setDrawerOpen(true), []);
 
   // Close drawer on escape
   useEffect(() => {
@@ -53,7 +54,7 @@ export default function Header() {
             <button
               onClick={toggleTheme}
               className="p-2.5 rounded-lg hover:bg-gray-100 dark:hover:bg-gray-800 transition-colors min-w-[44px] min-h-[44px] flex items-center justify-center"
-              aria-label="Prepnout tema"
+              aria-label="Přepnout téma"
             >
               {theme === "dark" ? (
                 <svg className="w-5 h-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
@@ -68,9 +69,12 @@ export default function Header() {
 
             {token && user ? (
               <div className="flex items-center gap-2">
-                <div className="w-7 h-7 bg-blue-100 dark:bg-blue-900/30 text-blue-700 dark:text-blue-300 rounded-full flex items-center justify-center text-xs font-bold">
+                <button
+                  onClick={openDrawer}
+                  className="w-7 h-7 bg-blue-100 dark:bg-blue-900/30 text-blue-700 dark:text-blue-300 rounded-full flex items-center justify-center text-xs font-bold cursor-pointer hover:ring-2 hover:ring-blue-400 transition-all"
+                >
                   {(user.name || user.email || "?").charAt(0).toUpperCase()}
-                </div>
+                </button>
                 <span className="text-sm text-muted max-w-[120px] truncate">
                   {user.name || user.email}
                 </span>
@@ -78,7 +82,7 @@ export default function Header() {
                   onClick={handleLogout}
                   className="text-sm px-3 py-1.5 rounded-lg border border-gray-300 dark:border-gray-600 hover:bg-gray-50 dark:hover:bg-gray-800 transition-colors min-h-[44px] flex items-center"
                 >
-                  Odhlasit
+                  Odhlásit
                 </button>
               </div>
             ) : (
@@ -86,20 +90,24 @@ export default function Header() {
                 href="/login"
                 className="text-sm px-4 py-2 rounded-lg bg-blue-600 text-white hover:bg-blue-700 transition-colors min-h-[44px] flex items-center"
               >
-                Prihlasit
+                Přihlásit
               </Link>
             )}
           </div>
 
-          {/* Right: Mobile - avatar + hamburger */}
+          {/* Right: Mobile - avatar + hamburger both open drawer */}
           <div className="flex sm:hidden items-center gap-1">
             {token && user && (
-              <div className="w-8 h-8 bg-blue-100 dark:bg-blue-900/30 text-blue-700 dark:text-blue-300 rounded-full flex items-center justify-center text-xs font-bold">
+              <button
+                onClick={openDrawer}
+                className="w-8 h-8 bg-blue-100 dark:bg-blue-900/30 text-blue-700 dark:text-blue-300 rounded-full flex items-center justify-center text-xs font-bold cursor-pointer"
+                aria-label="Otevřít menu"
+              >
                 {(user.name || user.email || "?").charAt(0).toUpperCase()}
-              </div>
+              </button>
             )}
             <button
-              onClick={() => setDrawerOpen(true)}
+              onClick={openDrawer}
               className="p-2.5 rounded-lg hover:bg-gray-100 dark:hover:bg-gray-800 transition-colors min-w-[44px] min-h-[44px] flex items-center justify-center"
               aria-label="Menu"
             >
@@ -113,7 +121,7 @@ export default function Header() {
 
       {/* Mobile slide-out drawer */}
       {drawerOpen && (
-        <div className="fixed inset-0 z-[60] sm:hidden">
+        <div className="fixed inset-0 z-[60]">
           {/* Backdrop */}
           <div
             className="absolute inset-0 bg-black/50 backdrop-blur-sm animate-fadeIn"
@@ -128,7 +136,7 @@ export default function Header() {
               <button
                 onClick={closeDrawer}
                 className="p-2 rounded-lg hover:bg-gray-100 dark:hover:bg-gray-800 min-w-[44px] min-h-[44px] flex items-center justify-center"
-                aria-label="Zavrit menu"
+                aria-label="Zavřít menu"
               >
                 <svg className="w-5 h-5" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={2}>
                   <path strokeLinecap="round" strokeLinejoin="round" d="M6 18L18 6M6 6l12 12" />
@@ -144,7 +152,7 @@ export default function Header() {
                     {(user.name || user.email || "?").charAt(0).toUpperCase()}
                   </div>
                   <div className="min-w-0">
-                    <p className="font-medium text-sm truncate">{user.name || "Uzivatel"}</p>
+                    <p className="font-medium text-sm truncate">{user.name || "Uživatel"}</p>
                     <p className="text-xs text-muted truncate">{user.email}</p>
                   </div>
                 </div>
@@ -161,7 +169,7 @@ export default function Header() {
                 <svg className="w-5 h-5 text-muted" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={1.5}>
                   <path strokeLinecap="round" strokeLinejoin="round" d="M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2" />
                 </svg>
-                <span className="text-sm font-medium">Ukoly</span>
+                <span className="text-sm font-medium">Úkoly</span>
               </Link>
 
               <Link
@@ -172,12 +180,35 @@ export default function Header() {
                 <svg className="w-5 h-5 text-muted" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={1.5}>
                   <path strokeLinecap="round" strokeLinejoin="round" d="M8 7V3m8 4V3m-9 8h10M5 21h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v12a2 2 0 002 2z" />
                 </svg>
-                <span className="text-sm font-medium">Kalendar</span>
+                <span className="text-sm font-medium">Kalendář</span>
+              </Link>
+
+              <Link
+                href="/chat"
+                onClick={closeDrawer}
+                className="flex items-center gap-3 px-4 py-3 rounded-lg hover:bg-gray-100 dark:hover:bg-gray-800 transition-colors min-h-[48px]"
+              >
+                <svg className="w-5 h-5 text-muted" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={1.5}>
+                  <path strokeLinecap="round" strokeLinejoin="round" d="M8 12h.01M12 12h.01M16 12h.01M21 12c0 4.418-4.03 8-9 8a9.863 9.863 0 01-4.255-.949L3 20l1.395-3.72C3.512 15.042 3 13.574 3 12c0-4.418 4.03-8 9-8s9 3.582 9 8z" />
+                </svg>
+                <span className="text-sm font-medium">Chat</span>
+              </Link>
+
+              <Link
+                href="/settings"
+                onClick={closeDrawer}
+                className="flex items-center gap-3 px-4 py-3 rounded-lg hover:bg-gray-100 dark:hover:bg-gray-800 transition-colors min-h-[48px]"
+              >
+                <svg className="w-5 h-5 text-muted" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={1.5}>
+                  <path strokeLinecap="round" strokeLinejoin="round" d="M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.066 2.573c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.573 1.066c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.066-2.573c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z" />
+                  <path strokeLinecap="round" strokeLinejoin="round" d="M15 12a3 3 0 11-6 0 3 3 0 016 0z" />
+                </svg>
+                <span className="text-sm font-medium">Nastavení</span>
               </Link>
 
               {/* Theme toggle */}
               <button
-                onClick={toggleTheme}
+                onClick={() => { toggleTheme(); }}
                 className="flex items-center gap-3 px-4 py-3 rounded-lg hover:bg-gray-100 dark:hover:bg-gray-800 transition-colors w-full text-left min-h-[48px]"
               >
                 {theme === "dark" ? (
@@ -190,7 +221,7 @@ export default function Header() {
                   </svg>
                 )}
                 <span className="text-sm font-medium">
-                  {theme === "dark" ? "Svetly rezim" : "Tmavy rezim"}
+                  {theme === "dark" ? "Světlý režim" : "Tmavý režim"}
                 </span>
               </button>
             </div>
@@ -205,7 +236,7 @@ export default function Header() {
                   <svg className="w-5 h-5" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={1.5}>
                     <path strokeLinecap="round" strokeLinejoin="round" d="M17 16l4-4m0 0l-4-4m4 4H7m6 4v1a3 3 0 01-3 3H6a3 3 0 01-3-3V7a3 3 0 013-3h4a3 3 0 013 3v1" />
                   </svg>
-                  <span className="text-sm font-medium">Odhlasit se</span>
+                  <span className="text-sm font-medium">Odhlásit se</span>
                 </button>
               </div>
             )}