cleanup code

models/ctx.go

@@ -1,6 +1,9 @@
 package models
 
+import "context"
+
 type DownloadContext struct {
+	Context           context.Context
 	MatchedContentID  string
 	MatchedContentURL string
 	MatchedGroups     map[string]string

models/download.go

@@ -11,4 +11,5 @@ type DownloadConfig struct {
 	RetryDelay      time.Duration // delay between retries
 	Remux           bool          // whether to remux the downloaded file with ffmpeg
 	ProgressUpdater func(float64) // optional function to report download progress
+	MaxInMemory     int           // maximum file size for in-memory downloads
 }