revert: remove torrent streaming feature

internal/jikan/client.go

@@ -16,7 +16,6 @@ type Client struct {
 	topCache       *expirable.LRU[int, TopAnimeResult]
 	animeCache     *expirable.LRU[int, Anime]
 	relationsCache *expirable.LRU[int, JikanRelationsResponse]
-	episodesCache  *expirable.LRU[string, EpisodesResult]
 }
 
 func NewClient() *Client {
@@ -24,7 +23,6 @@ func NewClient() *Client {
 	topCache := expirable.NewLRU[int, TopAnimeResult](100, nil, time.Hour*1)
 	animeCache := expirable.NewLRU[int, Anime](1000, nil, time.Hour*24)
 	relationsCache := expirable.NewLRU[int, JikanRelationsResponse](1000, nil, time.Hour*24)
-	episodesCache := expirable.NewLRU[string, EpisodesResult](500, nil, time.Hour*6)
 
 	return &Client{
 		httpClient:     &http.Client{Timeout: 10 * time.Second},
@@ -33,7 +31,6 @@ func NewClient() *Client {
 		topCache:       topCache,
 		animeCache:     animeCache,
 		relationsCache: relationsCache,
-		episodesCache:  episodesCache,
 	}
 }
 
@@ -66,44 +63,3 @@ func (c *Client) fetchWithRetry(urlStr string, out interface{}) error {
 	}
 	return fmt.Errorf("max retries exceeded for %s", urlStr)
 }
-
-// GetEpisodes fetches episodes for an anime (paginated, 100 per page)
-func (c *Client) GetEpisodes(animeID int, page int) (EpisodesResult, error) {
-	cacheKey := fmt.Sprintf("%d-%d", animeID, page)
-	if cached, ok := c.episodesCache.Get(cacheKey); ok {
-		return cached, nil
-	}
-
-	url := fmt.Sprintf("%s/anime/%d/episodes?page=%d", c.baseURL, animeID, page)
-	var resp EpisodesResponse
-	if err := c.fetchWithRetry(url, &resp); err != nil {
-		return EpisodesResult{}, err
-	}
-
-	result := EpisodesResult{
-		Episodes:    resp.Data,
-		HasNextPage: resp.Pagination.HasNextPage,
-	}
-	c.episodesCache.Add(cacheKey, result)
-	return result, nil
-}
-
-// GetAllEpisodes fetches all episodes for an anime (handles pagination)
-func (c *Client) GetAllEpisodes(animeID int) ([]Episode, error) {
-	var allEpisodes []Episode
-	page := 1
-
-	for {
-		result, err := c.GetEpisodes(animeID, page)
-		if err != nil {
-			return nil, err
-		}
-		allEpisodes = append(allEpisodes, result.Episodes...)
-		if !result.HasNextPage {
-			break
-		}
-		page++
-	}
-
-	return allEpisodes, nil
-}