Redact deleted issue comments

ui/src/lib/activity-format.ts

@@ -28,6 +28,7 @@ const ACTIVITY_ROW_VERBS: Record<string, string> = {
   "issue.released": "released",
   "issue.comment_added": "commented on",
   "issue.comment_cancelled": "cancelled a queued comment on",
+  "issue.comment_deleted": "deleted a comment on",
   "issue.attachment_added": "attached file to",
   "issue.attachment_removed": "removed attachment from",
   "issue.document_created": "created document for",
@@ -89,6 +90,7 @@ const ISSUE_ACTIVITY_LABELS: Record<string, string> = {
   "issue.released": "released the issue",
   "issue.comment_added": "added a comment",
   "issue.comment_cancelled": "cancelled a queued comment",
+  "issue.comment_deleted": "deleted a comment",
   "issue.feedback_vote_saved": "saved feedback on an AI output",
   "issue.attachment_added": "added an attachment",
   "issue.attachment_removed": "removed an attachment",

ui/src/lib/issue-chat-messages.ts

@@ -408,14 +408,20 @@ function createCommentMessage(args: {
     followUpRequested: comment.followUpRequested === true,
     presentation: comment.presentation ?? null,
     commentMetadata: comment.metadata ?? null,
+    deletedAt: comment.deletedAt ? toDate(comment.deletedAt).toISOString() : null,
+    deletedByType: comment.deletedByType ?? null,
+    deletedByAgentId: comment.deletedByAgentId ?? null,
+    deletedByUserId: comment.deletedByUserId ?? null,
+    deletedByRunId: comment.deletedByRunId ?? null,
   };
+  const contentText = comment.deletedAt ? "" : comment.body;
 
   if (isSystemNotice) {
     const message: ThreadSystemMessage = {
       id: comment.id,
       role: "system",
       createdAt,
-      content: [{ type: "text", text: comment.body }],
+      content: [{ type: "text", text: contentText }],
       metadata: { custom },
     };
     return message;
@@ -426,7 +432,7 @@ function createCommentMessage(args: {
       id: comment.id,
       role: "assistant",
       createdAt,
-      content: [{ type: "text", text: comment.body }],
+      content: [{ type: "text", text: contentText }],
       status: { type: "complete", reason: "stop" },
       metadata: createAssistantMetadata(custom),
     };
@@ -437,7 +443,7 @@ function createCommentMessage(args: {
     id: comment.id,
     role: "user",
     createdAt,
-    content: [{ type: "text", text: comment.body }],
+    content: [{ type: "text", text: contentText }],
     attachments: [],
     metadata: { custom },
   };