Fix GIF post gallery spacing

src/components/images/Gallery/maybeApplyGalleryOffsetStyles.test.ts

@@ -0,0 +1,39 @@
+import {type AppBskyFeedDefs, type ModerationUI} from '@atproto/api'
+
+import {maybeApplyGalleryOffsetStyles} from './maybeApplyGalleryOffsetStyles'
+
+describe('maybeApplyGalleryOffsetStyles', () => {
+  it('does not offset a record with external media', () => {
+    const post = {
+      record: {
+        $type: 'app.bsky.feed.post',
+        createdAt: '2026-07-28T01:02:03.957Z',
+        text: '',
+        embed: {
+          $type: 'app.bsky.embed.recordWithMedia',
+          media: {
+            $type: 'app.bsky.embed.external',
+            external: {
+              description: 'A GIF',
+              title: 'Let Them Fight',
+              uri: 'https://example.com/image.gif',
+            },
+          },
+          record: {
+            $type: 'app.bsky.embed.record',
+            record: {
+              cid: 'bafyrei',
+              uri: 'at://did:plc:example/app.bsky.feed.post/example',
+            },
+          },
+        },
+      },
+    } as unknown as AppBskyFeedDefs.PostView
+    const modui = {} as ModerationUI
+
+    expect(maybeApplyGalleryOffsetStyles('meta', {post, modui})).toBeUndefined()
+    expect(
+      maybeApplyGalleryOffsetStyles('embed', {post, modui}),
+    ).toBeUndefined()
+  })
+})

src/components/images/Gallery/maybeApplyGalleryOffsetStyles.ts

@@ -88,6 +88,7 @@ export function maybeApplyGalleryOffsetStyles(
       if (!isPostGalleryEmbedEnabled) return
       // one image, not a gallery
       if (embed.media.images.length === 1) return
+      hasImages = true
     }
     if (
       bsky.dangerousIsType<AppBskyEmbedGallery.Main>(
@@ -97,8 +98,8 @@ export function maybeApplyGalleryOffsetStyles(
     ) {
       // single (or empty) gallery - no offset needed
       if (embed.media.items.length <= 1) return
+      hasImages = true
     }
-    hasImages = true
   }
   if (!hasImages) return