fix(android): download original X images

Android/project/app/src/main/kotlin/com/xmedia/archive/resolver/XPostResolver.kt

@@ -317,7 +317,7 @@ class XPostResolver(
                 val item = items.optJSONObject(index) ?: continue
                 val type = item.optString("type")
                 val source = when (type) {
-                    "photo" -> item.optString("media_url_https")
+                    "photo" -> originalPhotoUrl(item.optString("media_url_https"))
                     "video", "animated_gif" -> videoCandidates(item.optJSONObject("video_info")?.optJSONArray("variants")).firstOrNull().orEmpty()
                     else -> ""
                 }
@@ -331,6 +331,15 @@ class XPostResolver(
         }
     }
 
+    /** Requests the original X image instead of the default 1200-pixel rendition. */
+    internal fun originalPhotoUrl(rawUrl: String): String {
+        if (rawUrl.isBlank()) return ""
+        return rawUrl.toHttpUrl().newBuilder()
+            .setQueryParameter("name", "orig")
+            .build()
+            .toString()
+    }
+
     /**
      * Returns only directly downloadable MP4 variants. X also exposes HLS manifests,
      * which cannot be saved as a video file by the foreground downloader.

Android/project/app/src/test/kotlin/com/xmedia/archive/resolver/XPostResolverTest.kt

@@ -34,6 +34,18 @@ class XPostResolverTest {
         }
     }
 
+    @Test
+    fun requestsOriginalPhotosLikeCobalt() {
+        assertEquals(
+            "https://pbs.twimg.com/media/example.jpg?name=orig",
+            resolver.originalPhotoUrl("https://pbs.twimg.com/media/example.jpg"),
+        )
+        assertEquals(
+            "https://pbs.twimg.com/media/example?format=jpg&name=orig",
+            resolver.originalPhotoUrl("https://pbs.twimg.com/media/example?format=jpg&name=small"),
+        )
+    }
+
     @Test
     fun ranksDirectVariantsByResolutionThenMuxedAudioVideoBitrate() {
         val variants = listOf(
@@ -123,6 +135,7 @@ class XPostResolverTest {
         val post = resolver.resolve("123")
 
         assertEquals("example", post.metadata.username)
+        assertEquals("https://pbs.twimg.com/media/example.jpg?name=orig", post.media.single().sourceUrl)
         assertEquals(0, nonSyndicationRequests)
     }