diff --git a/app/lib/l10n/app_af.arb b/app/lib/l10n/app_af.arb
index f152caf4c92..8813be831b3 100644
--- a/app/lib/l10n/app_af.arb
+++ b/app/lib/l10n/app_af.arb
@@ -6,6 +6,31 @@
   "users": "Gebruikers",
   "user": "User",
   "sources": "Sources",
+  "sourceNameHint": "Optional, e.g. Work calendar",
+  "readOnly": "Read-only",
+  "readOnlySourceDescription": "This source is read-only. You can view its data, but cannot add, edit, or delete items.",
+  "storedItems": "{count, plural, =0{No stored items} =1{1 stored item} other{{count} stored items}}",
+  "@storedItems": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
+  "storedItemsDescription": "Counts reflect data stored on this device. Recurring calendar entries are counted once. Sync to update connected sources.",
+  "sourceCountsUnavailable": "Item counts unavailable",
+  "calendarEntries": "Calendar entries",
+  "syncNow": "Sync now",
+  "sourcesDescription": "Manage where your data is stored and keep your connected calendars up to date.",
+  "connectedSources": "Connected sources",
+  "noConnectedSources": "No connected sources yet",
+  "noConnectedSourcesDescription": "Connect a calendar to sync with another device or service. Your local data is always available here.",
+  "localSourceDescription": "Data stored on this device. Open to export your database or view storage details.",
+  "sourceDetails": "Source details",
+  "sourceType": "Source type",
+  "sourceBehavior": "How this source works",
+  "allDeviceCalendars": "All accessible calendars on this device",
+  "selectedCalendars": "Selected calendar IDs",
   "settings": "Instellings",
   "create": "Create",
   "information": "Inligting",
diff --git a/app/lib/l10n/app_ar.arb b/app/lib/l10n/app_ar.arb
index e09be3dfdf8..3ce3aabf570 100644
--- a/app/lib/l10n/app_ar.arb
+++ b/app/lib/l10n/app_ar.arb
@@ -6,6 +6,31 @@
   "users": "المستخدمون",
   "user": "المستخدم",
   "sources": "المصادر",
+  "sourceNameHint": "Optional, e.g. Work calendar",
+  "readOnly": "Read-only",
+  "readOnlySourceDescription": "This source is read-only. You can view its data, but cannot add, edit, or delete items.",
+  "storedItems": "{count, plural, =0{No stored items} =1{1 stored item} other{{count} stored items}}",
+  "@storedItems": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
+  "storedItemsDescription": "Counts reflect data stored on this device. Recurring calendar entries are counted once. Sync to update connected sources.",
+  "sourceCountsUnavailable": "Item counts unavailable",
+  "calendarEntries": "Calendar entries",
+  "syncNow": "Sync now",
+  "sourcesDescription": "Manage where your data is stored and keep your connected calendars up to date.",
+  "connectedSources": "Connected sources",
+  "noConnectedSources": "No connected sources yet",
+  "noConnectedSourcesDescription": "Connect a calendar to sync with another device or service. Your local data is always available here.",
+  "localSourceDescription": "Data stored on this device. Open to export your database or view storage details.",
+  "sourceDetails": "Source details",
+  "sourceType": "Source type",
+  "sourceBehavior": "How this source works",
+  "allDeviceCalendars": "All accessible calendars on this device",
+  "selectedCalendars": "Selected calendar IDs",
   "settings": "الإعدادات",
   "create": "إنشاء",
   "information": "معلومات",
diff --git a/app/lib/l10n/app_ca.arb b/app/lib/l10n/app_ca.arb
index 31dda342978..400cb17a81e 100644
--- a/app/lib/l10n/app_ca.arb
+++ b/app/lib/l10n/app_ca.arb
@@ -6,6 +6,31 @@
   "users": "Usuaris",
   "user": "User",
   "sources": "Sources",
+  "sourceNameHint": "Optional, e.g. Work calendar",
+  "readOnly": "Read-only",
+  "readOnlySourceDescription": "This source is read-only. You can view its data, but cannot add, edit, or delete items.",
+  "storedItems": "{count, plural, =0{No stored items} =1{1 stored item} other{{count} stored items}}",
+  "@storedItems": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
+  "storedItemsDescription": "Counts reflect data stored on this device. Recurring calendar entries are counted once. Sync to update connected sources.",
+  "sourceCountsUnavailable": "Item counts unavailable",
+  "calendarEntries": "Calendar entries",
+  "syncNow": "Sync now",
+  "sourcesDescription": "Manage where your data is stored and keep your connected calendars up to date.",
+  "connectedSources": "Connected sources",
+  "noConnectedSources": "No connected sources yet",
+  "noConnectedSourcesDescription": "Connect a calendar to sync with another device or service. Your local data is always available here.",
+  "localSourceDescription": "Data stored on this device. Open to export your database or view storage details.",
+  "sourceDetails": "Source details",
+  "sourceType": "Source type",
+  "sourceBehavior": "How this source works",
+  "allDeviceCalendars": "All accessible calendars on this device",
+  "selectedCalendars": "Selected calendar IDs",
   "settings": "Paràmetres",
   "create": "Crear",
   "information": "Informació",
diff --git a/app/lib/l10n/app_cs.arb b/app/lib/l10n/app_cs.arb
index 19fef5f49c4..263fa56e7b3 100644
--- a/app/lib/l10n/app_cs.arb
+++ b/app/lib/l10n/app_cs.arb
@@ -6,6 +6,31 @@
   "users": "Uživatelé",
   "user": "Uživatel",
   "sources": "Zdroje",
+  "sourceNameHint": "Optional, e.g. Work calendar",
+  "readOnly": "Read-only",
+  "readOnlySourceDescription": "This source is read-only. You can view its data, but cannot add, edit, or delete items.",
+  "storedItems": "{count, plural, =0{No stored items} =1{1 stored item} other{{count} stored items}}",
+  "@storedItems": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
+  "storedItemsDescription": "Counts reflect data stored on this device. Recurring calendar entries are counted once. Sync to update connected sources.",
+  "sourceCountsUnavailable": "Item counts unavailable",
+  "calendarEntries": "Calendar entries",
+  "syncNow": "Sync now",
+  "sourcesDescription": "Manage where your data is stored and keep your connected calendars up to date.",
+  "connectedSources": "Connected sources",
+  "noConnectedSources": "No connected sources yet",
+  "noConnectedSourcesDescription": "Connect a calendar to sync with another device or service. Your local data is always available here.",
+  "localSourceDescription": "Data stored on this device. Open to export your database or view storage details.",
+  "sourceDetails": "Source details",
+  "sourceType": "Source type",
+  "sourceBehavior": "How this source works",
+  "allDeviceCalendars": "All accessible calendars on this device",
+  "selectedCalendars": "Selected calendar IDs",
   "settings": "Nastavení",
   "create": "Vytvořit",
   "information": "Informace",
diff --git a/app/lib/l10n/app_da.arb b/app/lib/l10n/app_da.arb
index ba5aad87a17..00a9d930ece 100644
--- a/app/lib/l10n/app_da.arb
+++ b/app/lib/l10n/app_da.arb
@@ -6,6 +6,31 @@
   "users": "Brugere",
   "user": "Bruger",
   "sources": "Kilder",
+  "sourceNameHint": "Optional, e.g. Work calendar",
+  "readOnly": "Read-only",
+  "readOnlySourceDescription": "This source is read-only. You can view its data, but cannot add, edit, or delete items.",
+  "storedItems": "{count, plural, =0{No stored items} =1{1 stored item} other{{count} stored items}}",
+  "@storedItems": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
+  "storedItemsDescription": "Counts reflect data stored on this device. Recurring calendar entries are counted once. Sync to update connected sources.",
+  "sourceCountsUnavailable": "Item counts unavailable",
+  "calendarEntries": "Calendar entries",
+  "syncNow": "Sync now",
+  "sourcesDescription": "Manage where your data is stored and keep your connected calendars up to date.",
+  "connectedSources": "Connected sources",
+  "noConnectedSources": "No connected sources yet",
+  "noConnectedSourcesDescription": "Connect a calendar to sync with another device or service. Your local data is always available here.",
+  "localSourceDescription": "Data stored on this device. Open to export your database or view storage details.",
+  "sourceDetails": "Source details",
+  "sourceType": "Source type",
+  "sourceBehavior": "How this source works",
+  "allDeviceCalendars": "All accessible calendars on this device",
+  "selectedCalendars": "Selected calendar IDs",
   "settings": "Indstillinger",
   "create": "Opret",
   "information": "Information",
diff --git a/app/lib/l10n/app_de.arb b/app/lib/l10n/app_de.arb
index 9c65c7ecba3..903cfaae0a4 100644
--- a/app/lib/l10n/app_de.arb
+++ b/app/lib/l10n/app_de.arb
@@ -6,6 +6,31 @@
   "users": "Benutzer",
   "user": "Benutzer",
   "sources": "Quellen",
+  "sourceNameHint": "Optional, e.g. Work calendar",
+  "readOnly": "Read-only",
+  "readOnlySourceDescription": "This source is read-only. You can view its data, but cannot add, edit, or delete items.",
+  "storedItems": "{count, plural, =0{No stored items} =1{1 stored item} other{{count} stored items}}",
+  "@storedItems": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
+  "storedItemsDescription": "Counts reflect data stored on this device. Recurring calendar entries are counted once. Sync to update connected sources.",
+  "sourceCountsUnavailable": "Item counts unavailable",
+  "calendarEntries": "Calendar entries",
+  "syncNow": "Sync now",
+  "sourcesDescription": "Manage where your data is stored and keep your connected calendars up to date.",
+  "connectedSources": "Connected sources",
+  "noConnectedSources": "No connected sources yet",
+  "noConnectedSourcesDescription": "Connect a calendar to sync with another device or service. Your local data is always available here.",
+  "localSourceDescription": "Data stored on this device. Open to export your database or view storage details.",
+  "sourceDetails": "Source details",
+  "sourceType": "Source type",
+  "sourceBehavior": "How this source works",
+  "allDeviceCalendars": "All accessible calendars on this device",
+  "selectedCalendars": "Selected calendar IDs",
   "settings": "Einstellungen",
   "create": "Anlegen",
   "information": "Informationen",
diff --git a/app/lib/l10n/app_el.arb b/app/lib/l10n/app_el.arb
index eaccf5f65ae..211717c0f4d 100644
--- a/app/lib/l10n/app_el.arb
+++ b/app/lib/l10n/app_el.arb
@@ -6,6 +6,31 @@
   "users": "Χρήστες",
   "user": "Χρήστης",
   "sources": "Πηγές",
+  "sourceNameHint": "Optional, e.g. Work calendar",
+  "readOnly": "Read-only",
+  "readOnlySourceDescription": "This source is read-only. You can view its data, but cannot add, edit, or delete items.",
+  "storedItems": "{count, plural, =0{No stored items} =1{1 stored item} other{{count} stored items}}",
+  "@storedItems": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
+  "storedItemsDescription": "Counts reflect data stored on this device. Recurring calendar entries are counted once. Sync to update connected sources.",
+  "sourceCountsUnavailable": "Item counts unavailable",
+  "calendarEntries": "Calendar entries",
+  "syncNow": "Sync now",
+  "sourcesDescription": "Manage where your data is stored and keep your connected calendars up to date.",
+  "connectedSources": "Connected sources",
+  "noConnectedSources": "No connected sources yet",
+  "noConnectedSourcesDescription": "Connect a calendar to sync with another device or service. Your local data is always available here.",
+  "localSourceDescription": "Data stored on this device. Open to export your database or view storage details.",
+  "sourceDetails": "Source details",
+  "sourceType": "Source type",
+  "sourceBehavior": "How this source works",
+  "allDeviceCalendars": "All accessible calendars on this device",
+  "selectedCalendars": "Selected calendar IDs",
   "settings": "Ρυθμίσεις",
   "create": "Δημιουργία",
   "information": "Πληροφορίες",
diff --git a/app/lib/l10n/app_es.arb b/app/lib/l10n/app_es.arb
index bb4e8b5397f..653588757d4 100644
--- a/app/lib/l10n/app_es.arb
+++ b/app/lib/l10n/app_es.arb
@@ -6,6 +6,31 @@
   "users": "Usuarios",
   "user": "Usuario",
   "sources": "Fuentes",
+  "sourceNameHint": "Optional, e.g. Work calendar",
+  "readOnly": "Read-only",
+  "readOnlySourceDescription": "This source is read-only. You can view its data, but cannot add, edit, or delete items.",
+  "storedItems": "{count, plural, =0{No stored items} =1{1 stored item} other{{count} stored items}}",
+  "@storedItems": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
+  "storedItemsDescription": "Counts reflect data stored on this device. Recurring calendar entries are counted once. Sync to update connected sources.",
+  "sourceCountsUnavailable": "Item counts unavailable",
+  "calendarEntries": "Calendar entries",
+  "syncNow": "Sync now",
+  "sourcesDescription": "Manage where your data is stored and keep your connected calendars up to date.",
+  "connectedSources": "Connected sources",
+  "noConnectedSources": "No connected sources yet",
+  "noConnectedSourcesDescription": "Connect a calendar to sync with another device or service. Your local data is always available here.",
+  "localSourceDescription": "Data stored on this device. Open to export your database or view storage details.",
+  "sourceDetails": "Source details",
+  "sourceType": "Source type",
+  "sourceBehavior": "How this source works",
+  "allDeviceCalendars": "All accessible calendars on this device",
+  "selectedCalendars": "Selected calendar IDs",
   "settings": "Ajustes",
   "create": "Crear",
   "information": "Información",
diff --git a/app/lib/l10n/app_fi.arb b/app/lib/l10n/app_fi.arb
index e161705d706..1b8a0a50261 100644
--- a/app/lib/l10n/app_fi.arb
+++ b/app/lib/l10n/app_fi.arb
@@ -6,6 +6,31 @@
   "users": "Käyttäjät",
   "user": "Käyttäjä",
   "sources": "Lähteet",
+  "sourceNameHint": "Optional, e.g. Work calendar",
+  "readOnly": "Read-only",
+  "readOnlySourceDescription": "This source is read-only. You can view its data, but cannot add, edit, or delete items.",
+  "storedItems": "{count, plural, =0{No stored items} =1{1 stored item} other{{count} stored items}}",
+  "@storedItems": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
+  "storedItemsDescription": "Counts reflect data stored on this device. Recurring calendar entries are counted once. Sync to update connected sources.",
+  "sourceCountsUnavailable": "Item counts unavailable",
+  "calendarEntries": "Calendar entries",
+  "syncNow": "Sync now",
+  "sourcesDescription": "Manage where your data is stored and keep your connected calendars up to date.",
+  "connectedSources": "Connected sources",
+  "noConnectedSources": "No connected sources yet",
+  "noConnectedSourcesDescription": "Connect a calendar to sync with another device or service. Your local data is always available here.",
+  "localSourceDescription": "Data stored on this device. Open to export your database or view storage details.",
+  "sourceDetails": "Source details",
+  "sourceType": "Source type",
+  "sourceBehavior": "How this source works",
+  "allDeviceCalendars": "All accessible calendars on this device",
+  "selectedCalendars": "Selected calendar IDs",
   "settings": "Asetukset",
   "create": "Luo",
   "information": "Tiedot",
diff --git a/app/lib/l10n/app_fr.arb b/app/lib/l10n/app_fr.arb
index 46285d6645c..f8c82de6146 100644
--- a/app/lib/l10n/app_fr.arb
+++ b/app/lib/l10n/app_fr.arb
@@ -6,6 +6,31 @@
   "users": "Utilisateurs",
   "user": "Utilisateur",
   "sources": "Sources",
+  "sourceNameHint": "Optional, e.g. Work calendar",
+  "readOnly": "Read-only",
+  "readOnlySourceDescription": "This source is read-only. You can view its data, but cannot add, edit, or delete items.",
+  "storedItems": "{count, plural, =0{No stored items} =1{1 stored item} other{{count} stored items}}",
+  "@storedItems": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
+  "storedItemsDescription": "Counts reflect data stored on this device. Recurring calendar entries are counted once. Sync to update connected sources.",
+  "sourceCountsUnavailable": "Item counts unavailable",
+  "calendarEntries": "Calendar entries",
+  "syncNow": "Sync now",
+  "sourcesDescription": "Manage where your data is stored and keep your connected calendars up to date.",
+  "connectedSources": "Connected sources",
+  "noConnectedSources": "No connected sources yet",
+  "noConnectedSourcesDescription": "Connect a calendar to sync with another device or service. Your local data is always available here.",
+  "localSourceDescription": "Data stored on this device. Open to export your database or view storage details.",
+  "sourceDetails": "Source details",
+  "sourceType": "Source type",
+  "sourceBehavior": "How this source works",
+  "allDeviceCalendars": "All accessible calendars on this device",
+  "selectedCalendars": "Selected calendar IDs",
   "settings": "Réglages",
   "create": "Créer",
   "information": "Information",
diff --git a/app/lib/l10n/app_he.arb b/app/lib/l10n/app_he.arb
index b5e0a2f2bcc..92e92d16acf 100644
--- a/app/lib/l10n/app_he.arb
+++ b/app/lib/l10n/app_he.arb
@@ -6,6 +6,31 @@
   "users": "משתמשים",
   "user": "User",
   "sources": "Sources",
+  "sourceNameHint": "Optional, e.g. Work calendar",
+  "readOnly": "Read-only",
+  "readOnlySourceDescription": "This source is read-only. You can view its data, but cannot add, edit, or delete items.",
+  "storedItems": "{count, plural, =0{No stored items} =1{1 stored item} other{{count} stored items}}",
+  "@storedItems": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
+  "storedItemsDescription": "Counts reflect data stored on this device. Recurring calendar entries are counted once. Sync to update connected sources.",
+  "sourceCountsUnavailable": "Item counts unavailable",
+  "calendarEntries": "Calendar entries",
+  "syncNow": "Sync now",
+  "sourcesDescription": "Manage where your data is stored and keep your connected calendars up to date.",
+  "connectedSources": "Connected sources",
+  "noConnectedSources": "No connected sources yet",
+  "noConnectedSourcesDescription": "Connect a calendar to sync with another device or service. Your local data is always available here.",
+  "localSourceDescription": "Data stored on this device. Open to export your database or view storage details.",
+  "sourceDetails": "Source details",
+  "sourceType": "Source type",
+  "sourceBehavior": "How this source works",
+  "allDeviceCalendars": "All accessible calendars on this device",
+  "selectedCalendars": "Selected calendar IDs",
   "settings": "הגדרות",
   "create": "Create",
   "information": "מידע",
diff --git a/app/lib/l10n/app_hu.arb b/app/lib/l10n/app_hu.arb
index d4fde5a5f91..ed60a54a728 100644
--- a/app/lib/l10n/app_hu.arb
+++ b/app/lib/l10n/app_hu.arb
@@ -6,6 +6,31 @@
   "users": "Felhasználók",
   "user": "User",
   "sources": "Sources",
+  "sourceNameHint": "Optional, e.g. Work calendar",
+  "readOnly": "Read-only",
+  "readOnlySourceDescription": "This source is read-only. You can view its data, but cannot add, edit, or delete items.",
+  "storedItems": "{count, plural, =0{No stored items} =1{1 stored item} other{{count} stored items}}",
+  "@storedItems": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
+  "storedItemsDescription": "Counts reflect data stored on this device. Recurring calendar entries are counted once. Sync to update connected sources.",
+  "sourceCountsUnavailable": "Item counts unavailable",
+  "calendarEntries": "Calendar entries",
+  "syncNow": "Sync now",
+  "sourcesDescription": "Manage where your data is stored and keep your connected calendars up to date.",
+  "connectedSources": "Connected sources",
+  "noConnectedSources": "No connected sources yet",
+  "noConnectedSourcesDescription": "Connect a calendar to sync with another device or service. Your local data is always available here.",
+  "localSourceDescription": "Data stored on this device. Open to export your database or view storage details.",
+  "sourceDetails": "Source details",
+  "sourceType": "Source type",
+  "sourceBehavior": "How this source works",
+  "allDeviceCalendars": "All accessible calendars on this device",
+  "selectedCalendars": "Selected calendar IDs",
   "settings": "Beállítások",
   "create": "Létrehozás",
   "information": "Információ",
diff --git a/app/lib/l10n/app_it.arb b/app/lib/l10n/app_it.arb
index 90740b50687..94458cbb164 100644
--- a/app/lib/l10n/app_it.arb
+++ b/app/lib/l10n/app_it.arb
@@ -6,6 +6,31 @@
   "users": "Utenti",
   "user": "Utente",
   "sources": "Sorgenti",
+  "sourceNameHint": "Optional, e.g. Work calendar",
+  "readOnly": "Read-only",
+  "readOnlySourceDescription": "This source is read-only. You can view its data, but cannot add, edit, or delete items.",
+  "storedItems": "{count, plural, =0{No stored items} =1{1 stored item} other{{count} stored items}}",
+  "@storedItems": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
+  "storedItemsDescription": "Counts reflect data stored on this device. Recurring calendar entries are counted once. Sync to update connected sources.",
+  "sourceCountsUnavailable": "Item counts unavailable",
+  "calendarEntries": "Calendar entries",
+  "syncNow": "Sync now",
+  "sourcesDescription": "Manage where your data is stored and keep your connected calendars up to date.",
+  "connectedSources": "Connected sources",
+  "noConnectedSources": "No connected sources yet",
+  "noConnectedSourcesDescription": "Connect a calendar to sync with another device or service. Your local data is always available here.",
+  "localSourceDescription": "Data stored on this device. Open to export your database or view storage details.",
+  "sourceDetails": "Source details",
+  "sourceType": "Source type",
+  "sourceBehavior": "How this source works",
+  "allDeviceCalendars": "All accessible calendars on this device",
+  "selectedCalendars": "Selected calendar IDs",
   "settings": "Impostazioni",
   "create": "Crea",
   "information": "Informazioni",
diff --git a/app/lib/l10n/app_ja.arb b/app/lib/l10n/app_ja.arb
index 83f59b95916..97724c75da7 100644
--- a/app/lib/l10n/app_ja.arb
+++ b/app/lib/l10n/app_ja.arb
@@ -6,6 +6,31 @@
   "users": "ユーザー",
   "user": "ユーザー",
   "sources": "ソース",
+  "sourceNameHint": "Optional, e.g. Work calendar",
+  "readOnly": "Read-only",
+  "readOnlySourceDescription": "This source is read-only. You can view its data, but cannot add, edit, or delete items.",
+  "storedItems": "{count, plural, =0{No stored items} =1{1 stored item} other{{count} stored items}}",
+  "@storedItems": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
+  "storedItemsDescription": "Counts reflect data stored on this device. Recurring calendar entries are counted once. Sync to update connected sources.",
+  "sourceCountsUnavailable": "Item counts unavailable",
+  "calendarEntries": "Calendar entries",
+  "syncNow": "Sync now",
+  "sourcesDescription": "Manage where your data is stored and keep your connected calendars up to date.",
+  "connectedSources": "Connected sources",
+  "noConnectedSources": "No connected sources yet",
+  "noConnectedSourcesDescription": "Connect a calendar to sync with another device or service. Your local data is always available here.",
+  "localSourceDescription": "Data stored on this device. Open to export your database or view storage details.",
+  "sourceDetails": "Source details",
+  "sourceType": "Source type",
+  "sourceBehavior": "How this source works",
+  "allDeviceCalendars": "All accessible calendars on this device",
+  "selectedCalendars": "Selected calendar IDs",
   "settings": "設定",
   "create": "作成",
   "information": "情報",
diff --git a/app/lib/l10n/app_ko.arb b/app/lib/l10n/app_ko.arb
index 1c620a9a668..e5f40148175 100644
--- a/app/lib/l10n/app_ko.arb
+++ b/app/lib/l10n/app_ko.arb
@@ -6,6 +6,31 @@
   "users": "사용자",
   "user": "User",
   "sources": "Sources",
+  "sourceNameHint": "Optional, e.g. Work calendar",
+  "readOnly": "Read-only",
+  "readOnlySourceDescription": "This source is read-only. You can view its data, but cannot add, edit, or delete items.",
+  "storedItems": "{count, plural, =0{No stored items} =1{1 stored item} other{{count} stored items}}",
+  "@storedItems": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
+  "storedItemsDescription": "Counts reflect data stored on this device. Recurring calendar entries are counted once. Sync to update connected sources.",
+  "sourceCountsUnavailable": "Item counts unavailable",
+  "calendarEntries": "Calendar entries",
+  "syncNow": "Sync now",
+  "sourcesDescription": "Manage where your data is stored and keep your connected calendars up to date.",
+  "connectedSources": "Connected sources",
+  "noConnectedSources": "No connected sources yet",
+  "noConnectedSourcesDescription": "Connect a calendar to sync with another device or service. Your local data is always available here.",
+  "localSourceDescription": "Data stored on this device. Open to export your database or view storage details.",
+  "sourceDetails": "Source details",
+  "sourceType": "Source type",
+  "sourceBehavior": "How this source works",
+  "allDeviceCalendars": "All accessible calendars on this device",
+  "selectedCalendars": "Selected calendar IDs",
   "settings": "설정",
   "create": "Create",
   "information": "정보",
diff --git a/app/lib/l10n/app_nl.arb b/app/lib/l10n/app_nl.arb
index 59938bbe997..47badec8a2c 100644
--- a/app/lib/l10n/app_nl.arb
+++ b/app/lib/l10n/app_nl.arb
@@ -6,6 +6,31 @@
   "users": "Gebruikers",
   "user": "Gebruiker",
   "sources": "Bronnen",
+  "sourceNameHint": "Optional, e.g. Work calendar",
+  "readOnly": "Read-only",
+  "readOnlySourceDescription": "This source is read-only. You can view its data, but cannot add, edit, or delete items.",
+  "storedItems": "{count, plural, =0{No stored items} =1{1 stored item} other{{count} stored items}}",
+  "@storedItems": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
+  "storedItemsDescription": "Counts reflect data stored on this device. Recurring calendar entries are counted once. Sync to update connected sources.",
+  "sourceCountsUnavailable": "Item counts unavailable",
+  "calendarEntries": "Calendar entries",
+  "syncNow": "Sync now",
+  "sourcesDescription": "Manage where your data is stored and keep your connected calendars up to date.",
+  "connectedSources": "Connected sources",
+  "noConnectedSources": "No connected sources yet",
+  "noConnectedSourcesDescription": "Connect a calendar to sync with another device or service. Your local data is always available here.",
+  "localSourceDescription": "Data stored on this device. Open to export your database or view storage details.",
+  "sourceDetails": "Source details",
+  "sourceType": "Source type",
+  "sourceBehavior": "How this source works",
+  "allDeviceCalendars": "All accessible calendars on this device",
+  "selectedCalendars": "Selected calendar IDs",
   "settings": "Instellingen",
   "create": "Aanmaken",
   "information": "Informatie",
diff --git a/app/lib/l10n/app_no.arb b/app/lib/l10n/app_no.arb
index 37eb49fee2f..1899674a938 100644
--- a/app/lib/l10n/app_no.arb
+++ b/app/lib/l10n/app_no.arb
@@ -6,6 +6,31 @@
   "users": "Brukere",
   "user": "Bruker",
   "sources": "Kilder",
+  "sourceNameHint": "Optional, e.g. Work calendar",
+  "readOnly": "Read-only",
+  "readOnlySourceDescription": "This source is read-only. You can view its data, but cannot add, edit, or delete items.",
+  "storedItems": "{count, plural, =0{No stored items} =1{1 stored item} other{{count} stored items}}",
+  "@storedItems": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
+  "storedItemsDescription": "Counts reflect data stored on this device. Recurring calendar entries are counted once. Sync to update connected sources.",
+  "sourceCountsUnavailable": "Item counts unavailable",
+  "calendarEntries": "Calendar entries",
+  "syncNow": "Sync now",
+  "sourcesDescription": "Manage where your data is stored and keep your connected calendars up to date.",
+  "connectedSources": "Connected sources",
+  "noConnectedSources": "No connected sources yet",
+  "noConnectedSourcesDescription": "Connect a calendar to sync with another device or service. Your local data is always available here.",
+  "localSourceDescription": "Data stored on this device. Open to export your database or view storage details.",
+  "sourceDetails": "Source details",
+  "sourceType": "Source type",
+  "sourceBehavior": "How this source works",
+  "allDeviceCalendars": "All accessible calendars on this device",
+  "selectedCalendars": "Selected calendar IDs",
   "settings": "Innstillinger",
   "create": "Opprett",
   "information": "Informasjon",
diff --git a/app/lib/l10n/app_pl.arb b/app/lib/l10n/app_pl.arb
index 720ce107d0d..0d422509d6a 100644
--- a/app/lib/l10n/app_pl.arb
+++ b/app/lib/l10n/app_pl.arb
@@ -6,6 +6,31 @@
   "users": "Użytkownicy",
   "user": "Użytkownik",
   "sources": "Źródła",
+  "sourceNameHint": "Optional, e.g. Work calendar",
+  "readOnly": "Read-only",
+  "readOnlySourceDescription": "This source is read-only. You can view its data, but cannot add, edit, or delete items.",
+  "storedItems": "{count, plural, =0{No stored items} =1{1 stored item} other{{count} stored items}}",
+  "@storedItems": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
+  "storedItemsDescription": "Counts reflect data stored on this device. Recurring calendar entries are counted once. Sync to update connected sources.",
+  "sourceCountsUnavailable": "Item counts unavailable",
+  "calendarEntries": "Calendar entries",
+  "syncNow": "Sync now",
+  "sourcesDescription": "Manage where your data is stored and keep your connected calendars up to date.",
+  "connectedSources": "Connected sources",
+  "noConnectedSources": "No connected sources yet",
+  "noConnectedSourcesDescription": "Connect a calendar to sync with another device or service. Your local data is always available here.",
+  "localSourceDescription": "Data stored on this device. Open to export your database or view storage details.",
+  "sourceDetails": "Source details",
+  "sourceType": "Source type",
+  "sourceBehavior": "How this source works",
+  "allDeviceCalendars": "All accessible calendars on this device",
+  "selectedCalendars": "Selected calendar IDs",
   "settings": "Ustawienia",
   "create": "Utwórz",
   "information": "Informacje",
diff --git a/app/lib/l10n/app_pt.arb b/app/lib/l10n/app_pt.arb
index aa76ee0b71e..74d4b6891ac 100644
--- a/app/lib/l10n/app_pt.arb
+++ b/app/lib/l10n/app_pt.arb
@@ -6,6 +6,31 @@
   "users": "Utilizadores",
   "user": "Usuário",
   "sources": "Fontes",
+  "sourceNameHint": "Optional, e.g. Work calendar",
+  "readOnly": "Read-only",
+  "readOnlySourceDescription": "This source is read-only. You can view its data, but cannot add, edit, or delete items.",
+  "storedItems": "{count, plural, =0{No stored items} =1{1 stored item} other{{count} stored items}}",
+  "@storedItems": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
+  "storedItemsDescription": "Counts reflect data stored on this device. Recurring calendar entries are counted once. Sync to update connected sources.",
+  "sourceCountsUnavailable": "Item counts unavailable",
+  "calendarEntries": "Calendar entries",
+  "syncNow": "Sync now",
+  "sourcesDescription": "Manage where your data is stored and keep your connected calendars up to date.",
+  "connectedSources": "Connected sources",
+  "noConnectedSources": "No connected sources yet",
+  "noConnectedSourcesDescription": "Connect a calendar to sync with another device or service. Your local data is always available here.",
+  "localSourceDescription": "Data stored on this device. Open to export your database or view storage details.",
+  "sourceDetails": "Source details",
+  "sourceType": "Source type",
+  "sourceBehavior": "How this source works",
+  "allDeviceCalendars": "All accessible calendars on this device",
+  "selectedCalendars": "Selected calendar IDs",
   "settings": "Confirgurações",
   "create": "Crio",
   "information": "Informacao",
diff --git a/app/lib/l10n/app_pt_BR.arb b/app/lib/l10n/app_pt_BR.arb
index 1437a6c0adc..2b5af45881f 100644
--- a/app/lib/l10n/app_pt_BR.arb
+++ b/app/lib/l10n/app_pt_BR.arb
@@ -6,6 +6,31 @@
   "users": "Utilizadores",
   "user": "Usuário",
   "sources": "Fontes",
+  "sourceNameHint": "Optional, e.g. Work calendar",
+  "readOnly": "Read-only",
+  "readOnlySourceDescription": "This source is read-only. You can view its data, but cannot add, edit, or delete items.",
+  "storedItems": "{count, plural, =0{No stored items} =1{1 stored item} other{{count} stored items}}",
+  "@storedItems": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
+  "storedItemsDescription": "Counts reflect data stored on this device. Recurring calendar entries are counted once. Sync to update connected sources.",
+  "sourceCountsUnavailable": "Item counts unavailable",
+  "calendarEntries": "Calendar entries",
+  "syncNow": "Sync now",
+  "sourcesDescription": "Manage where your data is stored and keep your connected calendars up to date.",
+  "connectedSources": "Connected sources",
+  "noConnectedSources": "No connected sources yet",
+  "noConnectedSourcesDescription": "Connect a calendar to sync with another device or service. Your local data is always available here.",
+  "localSourceDescription": "Data stored on this device. Open to export your database or view storage details.",
+  "sourceDetails": "Source details",
+  "sourceType": "Source type",
+  "sourceBehavior": "How this source works",
+  "allDeviceCalendars": "All accessible calendars on this device",
+  "selectedCalendars": "Selected calendar IDs",
   "settings": "Confirgurações",
   "create": "Crio",
   "information": "Informacao",
diff --git a/app/lib/l10n/app_ro.arb b/app/lib/l10n/app_ro.arb
index d23acd589e8..85730782301 100644
--- a/app/lib/l10n/app_ro.arb
+++ b/app/lib/l10n/app_ro.arb
@@ -6,6 +6,31 @@
   "users": "Utilizatori",
   "user": "Utilizator",
   "sources": "Surse",
+  "sourceNameHint": "Optional, e.g. Work calendar",
+  "readOnly": "Read-only",
+  "readOnlySourceDescription": "This source is read-only. You can view its data, but cannot add, edit, or delete items.",
+  "storedItems": "{count, plural, =0{No stored items} =1{1 stored item} other{{count} stored items}}",
+  "@storedItems": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
+  "storedItemsDescription": "Counts reflect data stored on this device. Recurring calendar entries are counted once. Sync to update connected sources.",
+  "sourceCountsUnavailable": "Item counts unavailable",
+  "calendarEntries": "Calendar entries",
+  "syncNow": "Sync now",
+  "sourcesDescription": "Manage where your data is stored and keep your connected calendars up to date.",
+  "connectedSources": "Connected sources",
+  "noConnectedSources": "No connected sources yet",
+  "noConnectedSourcesDescription": "Connect a calendar to sync with another device or service. Your local data is always available here.",
+  "localSourceDescription": "Data stored on this device. Open to export your database or view storage details.",
+  "sourceDetails": "Source details",
+  "sourceType": "Source type",
+  "sourceBehavior": "How this source works",
+  "allDeviceCalendars": "All accessible calendars on this device",
+  "selectedCalendars": "Selected calendar IDs",
   "settings": "Setări",
   "create": "Crează",
   "information": "Informare",
diff --git a/app/lib/l10n/app_ru.arb b/app/lib/l10n/app_ru.arb
index ed3d6cd2b3e..40bf66f96de 100644
--- a/app/lib/l10n/app_ru.arb
+++ b/app/lib/l10n/app_ru.arb
@@ -6,6 +6,31 @@
   "users": "Пользователи",
   "user": "Пользователь",
   "sources": "Источники",
+  "sourceNameHint": "Optional, e.g. Work calendar",
+  "readOnly": "Read-only",
+  "readOnlySourceDescription": "This source is read-only. You can view its data, but cannot add, edit, or delete items.",
+  "storedItems": "{count, plural, =0{No stored items} =1{1 stored item} other{{count} stored items}}",
+  "@storedItems": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
+  "storedItemsDescription": "Counts reflect data stored on this device. Recurring calendar entries are counted once. Sync to update connected sources.",
+  "sourceCountsUnavailable": "Item counts unavailable",
+  "calendarEntries": "Calendar entries",
+  "syncNow": "Sync now",
+  "sourcesDescription": "Manage where your data is stored and keep your connected calendars up to date.",
+  "connectedSources": "Connected sources",
+  "noConnectedSources": "No connected sources yet",
+  "noConnectedSourcesDescription": "Connect a calendar to sync with another device or service. Your local data is always available here.",
+  "localSourceDescription": "Data stored on this device. Open to export your database or view storage details.",
+  "sourceDetails": "Source details",
+  "sourceType": "Source type",
+  "sourceBehavior": "How this source works",
+  "allDeviceCalendars": "All accessible calendars on this device",
+  "selectedCalendars": "Selected calendar IDs",
   "settings": "Настройки",
   "create": "Создать",
   "information": "Информация",
diff --git a/app/lib/l10n/app_sr.arb b/app/lib/l10n/app_sr.arb
index a4982363ee5..c323e2d0f8e 100644
--- a/app/lib/l10n/app_sr.arb
+++ b/app/lib/l10n/app_sr.arb
@@ -6,6 +6,31 @@
   "users": "Korisnici",
   "user": "User",
   "sources": "Sources",
+  "sourceNameHint": "Optional, e.g. Work calendar",
+  "readOnly": "Read-only",
+  "readOnlySourceDescription": "This source is read-only. You can view its data, but cannot add, edit, or delete items.",
+  "storedItems": "{count, plural, =0{No stored items} =1{1 stored item} other{{count} stored items}}",
+  "@storedItems": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
+  "storedItemsDescription": "Counts reflect data stored on this device. Recurring calendar entries are counted once. Sync to update connected sources.",
+  "sourceCountsUnavailable": "Item counts unavailable",
+  "calendarEntries": "Calendar entries",
+  "syncNow": "Sync now",
+  "sourcesDescription": "Manage where your data is stored and keep your connected calendars up to date.",
+  "connectedSources": "Connected sources",
+  "noConnectedSources": "No connected sources yet",
+  "noConnectedSourcesDescription": "Connect a calendar to sync with another device or service. Your local data is always available here.",
+  "localSourceDescription": "Data stored on this device. Open to export your database or view storage details.",
+  "sourceDetails": "Source details",
+  "sourceType": "Source type",
+  "sourceBehavior": "How this source works",
+  "allDeviceCalendars": "All accessible calendars on this device",
+  "selectedCalendars": "Selected calendar IDs",
   "settings": "Podešavanja",
   "create": "Create",
   "information": "Informacije",
diff --git a/app/lib/l10n/app_sv.arb b/app/lib/l10n/app_sv.arb
index 163abe93f72..daccf544925 100644
--- a/app/lib/l10n/app_sv.arb
+++ b/app/lib/l10n/app_sv.arb
@@ -6,6 +6,31 @@
   "users": "Användare",
   "user": "Användare",
   "sources": "Källor",
+  "sourceNameHint": "Optional, e.g. Work calendar",
+  "readOnly": "Read-only",
+  "readOnlySourceDescription": "This source is read-only. You can view its data, but cannot add, edit, or delete items.",
+  "storedItems": "{count, plural, =0{No stored items} =1{1 stored item} other{{count} stored items}}",
+  "@storedItems": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
+  "storedItemsDescription": "Counts reflect data stored on this device. Recurring calendar entries are counted once. Sync to update connected sources.",
+  "sourceCountsUnavailable": "Item counts unavailable",
+  "calendarEntries": "Calendar entries",
+  "syncNow": "Sync now",
+  "sourcesDescription": "Manage where your data is stored and keep your connected calendars up to date.",
+  "connectedSources": "Connected sources",
+  "noConnectedSources": "No connected sources yet",
+  "noConnectedSourcesDescription": "Connect a calendar to sync with another device or service. Your local data is always available here.",
+  "localSourceDescription": "Data stored on this device. Open to export your database or view storage details.",
+  "sourceDetails": "Source details",
+  "sourceType": "Source type",
+  "sourceBehavior": "How this source works",
+  "allDeviceCalendars": "All accessible calendars on this device",
+  "selectedCalendars": "Selected calendar IDs",
   "settings": "Inställningar",
   "create": "Skapa",
   "information": "Information",
diff --git a/app/lib/l10n/app_tr.arb b/app/lib/l10n/app_tr.arb
index abe421a517c..99ff2a73157 100644
--- a/app/lib/l10n/app_tr.arb
+++ b/app/lib/l10n/app_tr.arb
@@ -6,6 +6,31 @@
   "users": "Kullanıcılar",
   "user": "User",
   "sources": "Kaynaklar",
+  "sourceNameHint": "Optional, e.g. Work calendar",
+  "readOnly": "Read-only",
+  "readOnlySourceDescription": "This source is read-only. You can view its data, but cannot add, edit, or delete items.",
+  "storedItems": "{count, plural, =0{No stored items} =1{1 stored item} other{{count} stored items}}",
+  "@storedItems": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
+  "storedItemsDescription": "Counts reflect data stored on this device. Recurring calendar entries are counted once. Sync to update connected sources.",
+  "sourceCountsUnavailable": "Item counts unavailable",
+  "calendarEntries": "Calendar entries",
+  "syncNow": "Sync now",
+  "sourcesDescription": "Manage where your data is stored and keep your connected calendars up to date.",
+  "connectedSources": "Connected sources",
+  "noConnectedSources": "No connected sources yet",
+  "noConnectedSourcesDescription": "Connect a calendar to sync with another device or service. Your local data is always available here.",
+  "localSourceDescription": "Data stored on this device. Open to export your database or view storage details.",
+  "sourceDetails": "Source details",
+  "sourceType": "Source type",
+  "sourceBehavior": "How this source works",
+  "allDeviceCalendars": "All accessible calendars on this device",
+  "selectedCalendars": "Selected calendar IDs",
   "settings": "Ayarlar",
   "create": "Oluştur",
   "information": "Bilgi",
diff --git a/app/lib/l10n/app_uk.arb b/app/lib/l10n/app_uk.arb
index bd1094a755f..d3254b9da71 100644
--- a/app/lib/l10n/app_uk.arb
+++ b/app/lib/l10n/app_uk.arb
@@ -6,6 +6,31 @@
   "users": "Спільноти",
   "user": "Користувач",
   "sources": "Джерела",
+  "sourceNameHint": "Optional, e.g. Work calendar",
+  "readOnly": "Read-only",
+  "readOnlySourceDescription": "This source is read-only. You can view its data, but cannot add, edit, or delete items.",
+  "storedItems": "{count, plural, =0{No stored items} =1{1 stored item} other{{count} stored items}}",
+  "@storedItems": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
+  "storedItemsDescription": "Counts reflect data stored on this device. Recurring calendar entries are counted once. Sync to update connected sources.",
+  "sourceCountsUnavailable": "Item counts unavailable",
+  "calendarEntries": "Calendar entries",
+  "syncNow": "Sync now",
+  "sourcesDescription": "Manage where your data is stored and keep your connected calendars up to date.",
+  "connectedSources": "Connected sources",
+  "noConnectedSources": "No connected sources yet",
+  "noConnectedSourcesDescription": "Connect a calendar to sync with another device or service. Your local data is always available here.",
+  "localSourceDescription": "Data stored on this device. Open to export your database or view storage details.",
+  "sourceDetails": "Source details",
+  "sourceType": "Source type",
+  "sourceBehavior": "How this source works",
+  "allDeviceCalendars": "All accessible calendars on this device",
+  "selectedCalendars": "Selected calendar IDs",
   "settings": "Налаштування",
   "create": "Створити",
   "information": "Інформація про нас",
diff --git a/app/lib/l10n/app_vi.arb b/app/lib/l10n/app_vi.arb
index 1f58853477e..7a285b875f4 100644
--- a/app/lib/l10n/app_vi.arb
+++ b/app/lib/l10n/app_vi.arb
@@ -6,6 +6,31 @@
   "users": "Người dùng",
   "user": "User",
   "sources": "Sources",
+  "sourceNameHint": "Optional, e.g. Work calendar",
+  "readOnly": "Read-only",
+  "readOnlySourceDescription": "This source is read-only. You can view its data, but cannot add, edit, or delete items.",
+  "storedItems": "{count, plural, =0{No stored items} =1{1 stored item} other{{count} stored items}}",
+  "@storedItems": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
+  "storedItemsDescription": "Counts reflect data stored on this device. Recurring calendar entries are counted once. Sync to update connected sources.",
+  "sourceCountsUnavailable": "Item counts unavailable",
+  "calendarEntries": "Calendar entries",
+  "syncNow": "Sync now",
+  "sourcesDescription": "Manage where your data is stored and keep your connected calendars up to date.",
+  "connectedSources": "Connected sources",
+  "noConnectedSources": "No connected sources yet",
+  "noConnectedSourcesDescription": "Connect a calendar to sync with another device or service. Your local data is always available here.",
+  "localSourceDescription": "Data stored on this device. Open to export your database or view storage details.",
+  "sourceDetails": "Source details",
+  "sourceType": "Source type",
+  "sourceBehavior": "How this source works",
+  "allDeviceCalendars": "All accessible calendars on this device",
+  "selectedCalendars": "Selected calendar IDs",
   "settings": "Cài đặt",
   "create": "Tạo mới",
   "information": "Thông tin",
diff --git a/app/lib/l10n/app_zh-Hant.arb b/app/lib/l10n/app_zh-Hant.arb
index 3956c6a4597..562414764fc 100644
--- a/app/lib/l10n/app_zh-Hant.arb
+++ b/app/lib/l10n/app_zh-Hant.arb
@@ -6,6 +6,31 @@
   "users": "使用者",
   "user": "User",
   "sources": "Sources",
+  "sourceNameHint": "Optional, e.g. Work calendar",
+  "readOnly": "Read-only",
+  "readOnlySourceDescription": "This source is read-only. You can view its data, but cannot add, edit, or delete items.",
+  "storedItems": "{count, plural, =0{No stored items} =1{1 stored item} other{{count} stored items}}",
+  "@storedItems": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
+  "storedItemsDescription": "Counts reflect data stored on this device. Recurring calendar entries are counted once. Sync to update connected sources.",
+  "sourceCountsUnavailable": "Item counts unavailable",
+  "calendarEntries": "Calendar entries",
+  "syncNow": "Sync now",
+  "sourcesDescription": "Manage where your data is stored and keep your connected calendars up to date.",
+  "connectedSources": "Connected sources",
+  "noConnectedSources": "No connected sources yet",
+  "noConnectedSourcesDescription": "Connect a calendar to sync with another device or service. Your local data is always available here.",
+  "localSourceDescription": "Data stored on this device. Open to export your database or view storage details.",
+  "sourceDetails": "Source details",
+  "sourceType": "Source type",
+  "sourceBehavior": "How this source works",
+  "allDeviceCalendars": "All accessible calendars on this device",
+  "selectedCalendars": "Selected calendar IDs",
   "settings": "設定",
   "create": "建立",
   "information": "資訊",
diff --git a/app/lib/l10n/app_zh.arb b/app/lib/l10n/app_zh.arb
index 33663b4fa8d..402934dc9aa 100644
--- a/app/lib/l10n/app_zh.arb
+++ b/app/lib/l10n/app_zh.arb
@@ -6,6 +6,31 @@
   "users": "用户",
   "user": "用户",
   "sources": "来源",
+  "sourceNameHint": "Optional, e.g. Work calendar",
+  "readOnly": "Read-only",
+  "readOnlySourceDescription": "This source is read-only. You can view its data, but cannot add, edit, or delete items.",
+  "storedItems": "{count, plural, =0{No stored items} =1{1 stored item} other{{count} stored items}}",
+  "@storedItems": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
+  "storedItemsDescription": "Counts reflect data stored on this device. Recurring calendar entries are counted once. Sync to update connected sources.",
+  "sourceCountsUnavailable": "Item counts unavailable",
+  "calendarEntries": "Calendar entries",
+  "syncNow": "Sync now",
+  "sourcesDescription": "Manage where your data is stored and keep your connected calendars up to date.",
+  "connectedSources": "Connected sources",
+  "noConnectedSources": "No connected sources yet",
+  "noConnectedSourcesDescription": "Connect a calendar to sync with another device or service. Your local data is always available here.",
+  "localSourceDescription": "Data stored on this device. Open to export your database or view storage details.",
+  "sourceDetails": "Source details",
+  "sourceType": "Source type",
+  "sourceBehavior": "How this source works",
+  "allDeviceCalendars": "All accessible calendars on this device",
+  "selectedCalendars": "Selected calendar IDs",
   "settings": "设置",
   "create": "创建",
   "information": "信息",