feat: add reading_status_push auto-refresh schedule per library

- Migration 0059: reading_status_push_mode / last / next columns on libraries
- API: update_reading_status_provider accepts push_mode and calculates next_push_at
- job_poller: handles reading_status_push pending jobs
- Indexer scheduler: check_and_schedule_reading_status_push every minute
- Backoffice: schedule select in library settings modal

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

apps/backoffice/app/(app)/libraries/page.tsx

@@ -147,6 +147,7 @@ export default async function LibrariesPage() {
                       fallbackMetadataProvider={lib.fallback_metadata_provider}
                       metadataRefreshMode={lib.metadata_refresh_mode}
                       readingStatusProvider={lib.reading_status_provider}
+                      readingStatusPushMode={lib.reading_status_push_mode}
                     />
                     <form>
                       <input type="hidden" name="id" value={lib.id} />

apps/backoffice/app/components/LibraryActions.tsx

@@ -15,6 +15,7 @@ interface LibraryActionsProps {
   fallbackMetadataProvider: string | null;
   metadataRefreshMode: string;
   readingStatusProvider: string | null;
+  readingStatusPushMode: string;
   onUpdate?: () => void;
 }
 
@@ -27,6 +28,7 @@ export function LibraryActions({
   fallbackMetadataProvider,
   metadataRefreshMode,
   readingStatusProvider,
+  readingStatusPushMode,
 }: LibraryActionsProps) {
   const { t } = useTranslation();
   const [isOpen, setIsOpen] = useState(false);
@@ -43,6 +45,7 @@ export function LibraryActions({
       const newFallbackProvider = (formData.get("fallback_metadata_provider") as string) || null;
       const newMetadataRefreshMode = formData.get("metadata_refresh_mode") as string;
       const newReadingStatusProvider = (formData.get("reading_status_provider") as string) || null;
+      const newReadingStatusPushMode = (formData.get("reading_status_push_mode") as string) || "manual";
 
       try {
         const [response] = await Promise.all([
@@ -64,7 +67,10 @@ export function LibraryActions({
           fetch(`/api/libraries/${libraryId}/reading-status-provider`, {
             method: "PATCH",
             headers: { "Content-Type": "application/json" },
-            body: JSON.stringify({ reading_status_provider: newReadingStatusProvider }),
+            body: JSON.stringify({
+              reading_status_provider: newReadingStatusProvider,
+              reading_status_push_mode: newReadingStatusPushMode,
+            }),
           }),
         ]);
 
@@ -289,6 +295,22 @@ export function LibraryActions({
                       </div>
                       <p className="text-xs text-muted-foreground mt-1.5">{t("libraryActions.readingStatusProviderDesc")}</p>
                     </div>
+                    <div>
+                      <div className="flex items-center justify-between gap-4">
+                        <label className="text-sm font-medium text-foreground">{t("libraryActions.readingStatusPushSchedule")}</label>
+                        <select
+                          name="reading_status_push_mode"
+                          defaultValue={readingStatusPushMode}
+                          className="text-sm border border-border rounded-lg px-3 py-1.5 bg-background min-w-[160px] shrink-0"
+                        >
+                          <option value="manual">{t("monitoring.manual")}</option>
+                          <option value="hourly">{t("monitoring.hourly")}</option>
+                          <option value="daily">{t("monitoring.daily")}</option>
+                          <option value="weekly">{t("monitoring.weekly")}</option>
+                        </select>
+                      </div>
+                      <p className="text-xs text-muted-foreground mt-1.5">{t("libraryActions.readingStatusPushScheduleDesc")}</p>
+                    </div>
                   </div>
 
                   {saveError && (

apps/backoffice/lib/api.ts

@@ -15,6 +15,8 @@ export type LibraryDto = {
   series_count: number;
   thumbnail_book_ids: string[];
   reading_status_provider: string | null;
+  reading_status_push_mode: string;
+  next_reading_status_push_at: string | null;
 };
 
 export type IndexJobDto = {

apps/backoffice/lib/i18n/en.ts

@@ -200,6 +200,8 @@ const en: Record<TranslationKey, string> = {
   "libraryActions.sectionReadingStatus": "Reading Status",
   "libraryActions.readingStatusProvider": "Reading Status Provider",
   "libraryActions.readingStatusProviderDesc": "Syncs reading states (read / reading / planned) with an external service",
+  "libraryActions.readingStatusPushSchedule": "Auto-push schedule",
+  "libraryActions.readingStatusPushScheduleDesc": "Automatically push reading progress to the provider on a schedule",
 
   // Reading status modal
   "readingStatus.button": "Reading status",

apps/backoffice/lib/i18n/fr.ts

@@ -198,6 +198,8 @@ const fr = {
   "libraryActions.sectionReadingStatus": "État de lecture",
   "libraryActions.readingStatusProvider": "Provider d'état de lecture",
   "libraryActions.readingStatusProviderDesc": "Synchronise les états de lecture (lu / en cours / planifié) avec un service externe",
+  "libraryActions.readingStatusPushSchedule": "Synchronisation automatique",
+  "libraryActions.readingStatusPushScheduleDesc": "Pousse automatiquement la progression de lecture vers le provider selon un calendrier",
 
   // Reading status modal
   "readingStatus.button": "État de lecture",