fix(blacklist): handle invalid keywords gracefully (#1815)

* fix(blacklist): handle invalid keywords gracefully

* fix(blacklist): only remove keywords on 404 errors

* fix(blacklist): remove non-null assertion and add proper type annotation

* refactor(blacklist): return null instead of 404 for missing keywords

* fix(blacklist): add type annotation for validKeywords

* fix(selector): update type annotation for validKeywords

server/api/themoviedb/index.ts

@@ -1054,7 +1054,7 @@ class TheMovieDb extends ExternalAPI {
     keywordId,
   }: {
     keywordId: number;
-  }): Promise<TmdbKeyword> {
+  }): Promise<TmdbKeyword | null> {
     try {
       const data = await this.get<TmdbKeyword>(
         `/keyword/${keywordId}`,
@@ -1064,6 +1064,9 @@ class TheMovieDb extends ExternalAPI {
 
       return data;
     } catch (e) {
+      if (e.response?.status === 404) {
+        return null;
+      }
       throw new Error(`[TMDB] Failed to fetch keyword: ${e.message}`);
     }
   }