Add frontend backup upload and list-based restore with validation.

Co-authored-by: Cursor <cursoragent@cursor.com>

modules/settings/routes.py

@@ -56,9 +56,11 @@ def register(deps) -> None:
     from modules.backup.db_backup import (
         backup_dir,
         backup_in_progress,
-        default_restore_dir,
         get_backup_last_at,
+        get_restore_status,
         list_backups,
+        restore_in_progress,
+        restore_target_dir,
         schedule_backup,
     )
     from modules.market.market import get_quote_source_label
@@ -300,7 +302,9 @@ def register(deps) -> None:
             backup_auto_enabled=get_setting("backup_auto_enabled", "1") == "1",
             backup_auto_hour=get_setting("backup_auto_hour", "3"),
             backup_keep_count=get_setting("backup_keep_count", "30"),
-            backup_restore_dir=default_restore_dir(),
+            backup_restore_dir=str(restore_target_dir()),
+            backup_restore_running=restore_in_progress(),
+            restore_status=get_restore_status(),
             ai_enabled=get_setting("ai_enabled", "0") == "1",
             ai_provider=get_setting("ai_provider", "ollama"),
             ai_ollama_base_url=get_setting("ai_ollama_base_url", "http://127.0.0.1:11434"),