feat: watchlist add accepts title/year/imdb for movies not in DB

crates/api-types/src/watchlist.rs

@@ -20,7 +20,14 @@ pub struct WatchlistResponse {
 
 #[derive(Debug, Clone, Deserialize, utoipa::ToSchema)]
 pub struct AddToWatchlistRequest {
-    pub movie_id: Uuid,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub movie_id: Option<Uuid>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub external_metadata_id: Option<String>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub manual_title: Option<String>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub manual_release_year: Option<u16>,
 }
 
 #[derive(Debug, Clone, Serialize, utoipa::ToSchema)]

crates/presentation/src/handlers/api.rs

@@ -1411,10 +1411,10 @@ pub async fn post_watchlist_add(
         AddToWatchlistCommand {
             user_id: user.0.value(),
             input: MovieInput {
-                movie_id: Some(req.movie_id),
-                external_metadata_id: None,
-                manual_title: None,
-                manual_release_year: None,
+                movie_id: req.movie_id,
+                external_metadata_id: req.external_metadata_id,
+                manual_title: req.manual_title,
+                manual_release_year: req.manual_release_year,
                 manual_director: None,
             },
         },