feat: add private sort criterion

packages/core/src/streams/sorter.ts

@@ -153,6 +153,8 @@ class StreamSorter {
           return multiplier * (stream.size ?? 0);
         case 'seeders':
           return multiplier * (stream.torrent?.seeders ?? 0);
+        case 'private':
+          return multiplier * (stream.torrent?.private ? 1 : 0);
         case 'age':
           return multiplier * (stream.age ?? 0);
         case 'encode': {

packages/core/src/utils/constants.ts

@@ -853,6 +853,7 @@ const SORT_CRITERIA = [
   'size',
   'service',
   'seeders',
+  'private',
   'age',
   'addon',
   'regexPatterns',
@@ -981,6 +982,15 @@ export const SORT_CRITERIA_DETAILS: Record<
     ascendingDescription: 'Streams with fewer seeders are preferred',
     descendingDescription: 'Streams with more seeders are preferred',
   },
+  private: {
+    name: 'Private',
+    description: 'Whether the stream is from a private tracker or not',
+    defaultDirection: 'desc',
+    ascendingDescription:
+      'Streams that are not from private trackers are preferred',
+    descendingDescription:
+      'Streams that are from private trackers are preferred',
+  },
   age: {
     name: 'Age',
     description: 'Sort by the age of the stream',