V6.1 continue refining backup: switch to Synology Drive Client for remote backup

src/transcription/ui/pages/settings_page.py

@@ -739,13 +739,23 @@ def register_page(*, settings: Settings) -> None:  # noqa: PLR0915
                             title="Runtime settings save failed",
                             action=lambda: _write_runtime_settings(settings=settings, updates=updates),
                         )
-                        if not save_outcome.ok:
+                        if not save_outcome.ok or save_outcome.value is None:
                             return
-                        ui.notify("Runtime settings saved to .env", type="positive")
+                        target_path = save_outcome.value.env_file_path
+                        ui.notify(
+                            f"Runtime settings saved to {target_path}. Restart app/worker to apply.",
+                            type="positive",
+                        )
                         render_runtime_settings.refresh()
 
                     with ui.row().classes("items-center gap-2 mt-3"):
                         ui.button("Save runtime settings", icon="save", on_click=save_runtime).classes("ui-btn-primary")
+                    with ui.column().classes("w-full max-w-3xl mx-auto gap-1 mt-2"):
+                        ui.label("Apply saved runtime settings").classes("text-xs font-semibold")
+                        ui.label(
+                            "Run this on the host from the deployment repo to recreate app/worker with new env values:"
+                        ).classes("text-[11px] ui-text-muted")
+                        ui.code(_runtime_restart_command(), language="bash").classes("w-full text-xs")
 
             with ui.tabs().classes("w-full") as tabs:
                 document_types_tab = ui.tab("Document Types")
@@ -855,3 +865,7 @@ def _format_duration(*, started_at: datetime | None, finished_at: datetime | Non
 
 async def _read_maintenance_log(*, maintenance: MaintenanceService, log_path: str) -> bytes:
     return await run_blocking(maintenance.read_log_bytes, log_path=log_path)
+
+
+def _runtime_restart_command() -> str:
+    return "docker compose -f docker-compose.production.yml up -d --force-recreate app worker"

src/transcription/ui/runtime_settings_store.py

@@ -2,6 +2,7 @@
 
 from __future__ import annotations
 
+import os
 import re
 import tempfile
 from dataclasses import dataclass
@@ -366,6 +367,10 @@ def _resolve_env_file_path(*, settings: Settings, env_file_path: Path | None) ->
     if env_file_path is not None:
         return env_file_path
 
+    override = os.getenv("RUNTIME_SETTINGS_ENV_FILE", "").strip()
+    if override:
+        return Path(override)
+
     configured = settings.model_config.get("env_file")
     if configured is None:
         return Path(".env")