perf: reduce watch progress saves and cache anime API responses

api/anime/handler.go

@@ -265,6 +265,9 @@ func (h *Handler) HandleAPIAnime(w http.ResponseWriter, r *http.Request) {
 	}
 
 	statuses := h.watchlistMap(r.Context(), userIDFromRequest(r))
+	
+	w.Header().Set("Cache-Control", "public, max-age=3600")
+
 	switch section {
 	case "relations":
 		relations, err := h.jikanClient.GetFullRelations(r.Context(), id)
@@ -313,15 +316,14 @@ func (h *Handler) HandleAPIAnime(w http.ResponseWriter, r *http.Request) {
 
 func (h *Handler) HandleAPIEpisodes(w http.ResponseWriter, r *http.Request) {
 	path := r.URL.Path[len("/api/episodes/"):]
-	path = strings.Trim(path, "/")
-
 	id, err := strconv.Atoi(path)
 	if err != nil || id <= 0 {
 		http.Error(w, "invalid id", http.StatusBadRequest)
 		return
 	}
 
-	currentEpisode := r.URL.Query().Get("current")
+	w.Header().Set("Cache-Control", "public, max-age=3600")
+
 	episodes, err := h.getEpisodes(r.Context(), id)
 	if err != nil {
 		log.Printf("episodes error: %v", err)

api/playback/handler.go

@@ -388,7 +388,7 @@ func (h *Handler) HandleEpisodeData(w http.ResponseWriter, r *http.Request) {
 		token = source.Token
 	}
 
-response := struct {
+	response := struct {
 		MalID          int                          `json:"mal_id"`
 		Title          string                       `json:"title"`
 		CurrentEpisode string                       `json:"current_episode"`

pkg/middleware/logging.go

@@ -69,8 +69,10 @@ func RequestLogger(next http.Handler) http.Handler {
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		start := time.Now()
 
-		if strings.HasPrefix(r.URL.Path, "/dist/static/") ||
+		if strings.HasPrefix(r.URL.Path, "/dist/") ||
 			strings.HasPrefix(r.URL.Path, "/static/") ||
+			strings.HasPrefix(r.URL.Path, "/watch/proxy/stream") ||
+			strings.HasPrefix(r.URL.Path, "/watch/proxy/segment") ||
 			r.URL.Path == "/favicon.ico" {
 			next.ServeHTTP(w, r)
 			return

static/player.ts

@@ -404,7 +404,7 @@ const initPlayer = (): void => {
     if (!Number.isInteger(episodeNumber) || episodeNumber <= 0) return
 
     const safeTime = displayTimeFromAbsolute(video.currentTime)
-    if (lastSavedProgress.episode === currentEpisode && Math.abs(lastSavedProgress.seconds - safeTime) < 2) {
+    if (lastSavedProgress.episode === currentEpisode && Math.abs(lastSavedProgress.seconds - safeTime) < 5) {
       return
     }
 
@@ -433,7 +433,7 @@ const initPlayer = (): void => {
     progressSaveTimer = window.setTimeout(() => {
       progressSaveTimer = undefined
       saveProgress()
-    }, 1500)
+    }, 30000)
   }
 
   const parseEpisodeFromWatchHref = (href: string): number | null => {