feat(admin): transfer user accounts and show local cover coverage

packages/i18n/locales/en/admin.json

@@ -37,6 +37,17 @@
     "grant_updates": "Grant update management",
     "revoke_updates": "Revoke update management"
   },
+  "transfer": {
+    "export": "Export users",
+    "import": "Import users",
+    "apply": "Import",
+    "description": "Transfer accounts, roles and access permissions with existing passwords. Recommendations, history, likes and sessions are excluded. Existing usernames will be skipped without changes.",
+    "sensitive": "The JSON file contains password hashes. Keep it in a secure location.",
+    "file": "Users file (.json)",
+    "preview": "Accounts in file: {{count}}",
+    "invalid": "Invalid file. Select a Pipu JSON export, version 1, up to 16 MiB and 10000 users.",
+    "result": "Created: {{count}}. Existing accounts skipped: {{skipped}}."
+  },
   "create": {
     "title": "New user",
     "username": "Username",
@@ -64,6 +75,8 @@
     "empty": "No entries yet",
     "more": "Show more",
     "actions": {
+      "users.export": "Users exported",
+      "users.import": "Users imported",
       "user.username_change": "Username changed",
       "user.bootstrap_create": "Initial administrator created",
       "user.bootstrap_credentials": "Administrator credentials set",
@@ -79,6 +92,8 @@
     }
   },
   "sources": {
+    "cover_files": "Local covers: {{count}} of {{total}} files",
+    "cover_pending": "Albums awaiting processing: {{count}}",
     "title": "Storage",
     "subtitle": "Where the server takes music from: a folder on the server or NFS",
     "add": "Add storage",

packages/i18n/locales/en/errors.json

@@ -26,6 +26,7 @@
     "forbidden": "You don't have permission to do this"
   },
   "validation": {
+    "user_archive_invalid": "Invalid user file: check the version, usernames, roles and password hashes. No changes were saved.",
     "password_too_short": "The password must be at least {{min}} characters",
     "password_too_long": "The password must be at most {{max}} characters",
     "password_same_as_username": "The password must not match the username",