refactor(domain): FeedEntry — EngagementStats + Option<ViewerContext> sub-structs

crates/domain/src/models/feed.rs

@@ -1,6 +1,30 @@
 use crate::models::{thought::Thought, user::User};
 use crate::value_objects::UserId;
 
+#[derive(Debug, Clone)]
+pub struct EngagementStats {
+    pub like_count: i64,
+    pub boost_count: i64,
+    pub reply_count: i64,
+}
+
+/// Present only when an authenticated viewer made the request.
+/// `liked`/`boosted` are the viewer's interaction state with this thought.
+/// `None` means anonymous request or viewer context unavailable.
+#[derive(Debug, Clone)]
+pub struct ViewerContext {
+    pub liked: bool,
+    pub boosted: bool,
+}
+
+#[derive(Debug, Clone)]
+pub struct FeedEntry {
+    pub thought: Thought,
+    pub author: User,
+    pub stats: EngagementStats,
+    pub viewer: Option<ViewerContext>,
+}
+
 #[derive(Debug, Clone)]
 pub struct UserSummary {
     pub id: UserId,
@@ -13,17 +37,6 @@ pub struct UserSummary {
     pub following_count: i64,
 }
 
-#[derive(Debug, Clone)]
-pub struct FeedEntry {
-    pub thought: Thought,
-    pub author: User,
-    pub like_count: i64,
-    pub boost_count: i64,
-    pub reply_count: i64,
-    pub liked_by_viewer: bool,
-    pub boosted_by_viewer: bool,
-}
-
 #[derive(Debug, Clone)]
 pub struct PageParams {
     pub page: u64,