refactor(models): update data models and remove deprecated IM entities

- Update channel, notification, PR, repo, user, workspace models
- Remove deleted IM models: articles, channel follows, message
  attachments/bookmarks/drafts/edit history/embeds/mentions/pins/
  polls/reactions/threads, saved messages, thread read states
- Add new PR models: review requests, templates
- Add repo release assets model
- Add base_info module for API detail responses

models/issues/issue_comments.rs

@@ -1,3 +1,4 @@
+use crate::models::base_info::UserBaseInfo;
 use chrono::{DateTime, Utc};
 use serde::{Deserialize, Serialize};
 use uuid::Uuid;
@@ -14,3 +15,30 @@ pub struct IssueComment {
     pub created_at: DateTime<Utc>,
     pub updated_at: DateTime<Utc>,
 }
+
+#[derive(Debug, Clone, Serialize, Deserialize, utoipa::ToSchema)]
+pub struct IssueCommentDetail {
+    pub id: Uuid,
+    pub issue_id: Uuid,
+    pub author: UserBaseInfo,
+    pub reply_to_comment_id: Option<Uuid>,
+    pub body: String,
+    pub created_at: DateTime<Utc>,
+    pub updated_at: DateTime<Utc>,
+    pub deleted_at: Option<DateTime<Utc>>,
+}
+
+impl IssueComment {
+    pub fn into_detail(self, author: UserBaseInfo) -> IssueCommentDetail {
+        IssueCommentDetail {
+            id: self.id,
+            issue_id: self.issue_id,
+            author,
+            reply_to_comment_id: self.reply_to_comment_id,
+            body: self.body,
+            created_at: self.created_at,
+            updated_at: self.updated_at,
+            deleted_at: self.deleted_at,
+        }
+    }
+}