feat(video): add sanitization for secondTags in provider video sync

apps/box-mgnt-api/src/mgnt-backend/feature/provider-video-sync/provider-video-sync.service.ts

@@ -619,6 +619,18 @@ export class ProviderVideoSyncService {
 
     const normalized = rawList.map((item) => this.normalizeItem(item));
 
+    for (const record of normalized) {
+      const previousLength = Array.isArray(record.secondTags)
+        ? record.secondTags.length
+        : 0;
+      record.secondTags = this.sanitizeSecondTags(record.secondTags);
+      if (record.secondTags.length !== previousLength) {
+        this.logger.debug(
+          `[processProviderRawList] sanitized secondTags count ${previousLength} -> ${record.secondTags.length} for ${record.id}`,
+        );
+      }
+    }
+
     const hasSecondTags = normalized.some(
       (v) => Array.isArray(v.secondTags) && v.secondTags.length > 0,
     );
@@ -800,6 +812,29 @@ export class ProviderVideoSyncService {
     };
   }
 
+  private sanitizeSecondTags(input: string[] | null | undefined): string[] {
+    if (!Array.isArray(input)) return [];
+
+    const newlineSpam = /\n\s+\n/;
+    const timestamp = /\b\d+:\d{2}:\d{2}\b/;
+
+    return input
+      .map((tag) => (typeof tag === 'string' ? tag.trim() : ''))
+      .filter((tag) => !!tag && !newlineSpam.test(tag) && !timestamp.test(tag));
+  }
+
+  // Example:
+  // sanitizeSecondTags([
+  //   'MISSAV-最近更新',
+  //   '1:07:03\n ... 1:04:05',
+  //   'OL',
+  //   '恋物癖',
+  //   '偷拍',
+  //   '单体作品',
+  //   '自慰',
+  //   '高清',
+  // ]) // -> ['MISSAV-最近更新','OL','恋物癖','偷拍','单体作品','自慰','高清']
+
   private async upsertOne(record: any): Promise<UpsertOutcome> {
     const id = record?.id as string | undefined;
     if (!id) return { ok: false, error: { error: 'Missing id' } };