fix: close search index consistency gaps (orphan cleanup, discovery indexing, poster sync)

crates/application/src/lib.rs

@@ -7,6 +7,8 @@ pub mod movie_resolver;
 pub mod ports;
 pub mod queries;
 pub mod use_cases;
+pub mod movie_discovery_indexer;
 pub mod search_cleanup;
 
+pub use movie_discovery_indexer::MovieDiscoveryIndexer;
 pub use search_cleanup::SearchCleanupHandler;