Type narrowing.

Author: ntwigg

browser-extension/src/handlers/github-handler.ts

@@ -10,6 +10,7 @@ export type GitHubCommentType =
   | 'GH_PR_CODE_COMMENT';
 
 export interface GitHubContext extends CommentContext {
+  type: GitHubCommentType; // Override to narrow from string to specific union
   domain: string;
   slug: string; // owner/repo
   number?: number | undefined; // issue/PR number

browser-extension/src/handlers/reddit-handler.ts

@@ -6,6 +6,7 @@ export type RedditCommentType =
   | 'REDDIT_COMMENT_EDIT';
 
 export interface RedditContext extends CommentContext {
+  type: RedditCommentType; // Override to narrow from string to specific union
   subreddit: string;
   postId?: string | undefined;
   commentId?: string | undefined; // for editing existing comments