fix: move user_feed to FeedRepository — proper counts and viewer flags for user timelines

crates/adapters/postgres/src/feed.rs

@@ -196,6 +196,36 @@ impl FeedRepository for PgFeedRepository {
             per_page: page.per_page,
         })
     }
+
+    async fn user_feed(&self, user_id: &UserId, page: &PageParams, viewer_id: Option<&UserId>) -> Result<Paginated<FeedEntry>, DomainError> {
+        let viewer = viewer_id.map(|v| v.as_uuid());
+        let uid = user_id.as_uuid();
+
+        let total: i64 = sqlx::query_scalar(
+            "SELECT COUNT(*) FROM thoughts t WHERE t.user_id = $1 AND t.visibility = 'public'"
+        )
+        .bind(uid)
+        .fetch_one(&self.pool)
+        .await
+        .map_err(|e| DomainError::Internal(e.to_string()))?;
+
+        let sel = feed_select(viewer);
+        let sql = format!("{sel} WHERE t.user_id = $1 AND t.visibility = 'public' ORDER BY t.created_at DESC LIMIT $2 OFFSET $3");
+        let rows = sqlx::query_as::<_, FeedRow>(&sql)
+            .bind(uid)
+            .bind(page.limit())
+            .bind(page.offset())
+            .fetch_all(&self.pool)
+            .await
+            .map_err(|e| DomainError::Internal(e.to_string()))?;
+
+        Ok(Paginated {
+            items: rows.into_iter().map(row_to_entry).collect(),
+            total,
+            page: page.page,
+            per_page: page.per_page,
+        })
+    }
 }
 
 #[cfg(test)]