Fix SSL SAN cert + React hydration #423

- SAN cert covers all 5 PWA domains (tasks,cal,plans,goals,chat)
- i18n hydration: SSR uses cs default, localStorage after mount
- Matches ThemeProvider pattern

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

apps/tasks/messages/cs.json

@@ -31,7 +31,9 @@
       "good": "Dobré",
       "strong": "Silné",
       "excellent": "Výborné"
-    }
+    },
+    "emailPlaceholder": "vas@email.cz",
+    "phonePlaceholder": "+420 123 456 789"
   },
   "tasks": {
     "title": "Úkoly",
@@ -128,7 +130,10 @@
     "confirm": "Potvrdit",
     "menu": "Menu",
     "closeMenu": "Zavřít menu",
-    "toggleTheme": "Přepnout téma"
+    "toggleTheme": "Přepnout téma",
+    "appName": "Task Team",
+    "appVersion": "v0.1.0",
+    "appDescription": "Sprava ukolu pro tym"
   },
   "calendar": {
     "title": "Kalendář"
@@ -142,6 +147,10 @@
     "color": "Barva",
     "icon": "Ikona",
     "tasks": "Ukoly",
-    "members": "Clenove"
+    "members": "Clenove",
+    "title": "Projekty"
+  },
+  "forgotPassword": {
+    "description": "Obnova hesla bude brzy k dispozici."
   }
-}
+}