Add commenter targeting mode

tests/monitor.test.ts

@@ -675,4 +675,82 @@ describe('MonitorService', () => {
       expect(result[0].id).toBe('t3_m');
     });
   });
+
+  describe('comment-author targeting', () => {
+    it('turns a high-confidence targeted reaction into a commenter candidate with source media intact', async () => {
+      const source: RedditPost = {
+        id: 'post1', name: 't3_post1', subreddit: 'scene', author: 'poster', title: 'A scene',
+        url: 'https://example.com/scene.jpg', permalink: '/r/scene/comments/post1/a_scene/', thumbnail: '',
+        is_self: false, created_utc: 100, over_18: true, spoiler: false,
+      };
+      const redditApi = createMockRedditApi([source]);
+      redditApi.getBrowsingComments = vi.fn().mockResolvedValue([
+        {
+          fullname: 't1_match', kind: 'comment', subreddit: 'scene', author: 'reactor',
+          permalink: '/r/scene/comments/post1/a_scene/match/', createdAt: 101_000, score: 2,
+          text: "I'd love that to be done to me", nsfw: true, parentPostId: 'post1',
+          distinguished: null, removed: false,
+        },
+        {
+          fullname: 't1_praise', kind: 'comment', subreddit: 'scene', author: 'fan',
+          permalink: '/r/scene/comments/post1/a_scene/praise/', createdAt: 102_000, score: 1,
+          text: 'Great post, thanks for sharing', nsfw: true, parentPostId: 'post1',
+          distinguished: null, removed: false,
+        },
+      ]);
+      const screener = {
+        screenCommentReactions: vi.fn().mockResolvedValue([
+          { id: 't1_match', qualifies: true, expressedGender: 'female', confidence: 0.94, evidence: 'personal desire' },
+          { id: 't1_praise', qualifies: false, expressedGender: 'unknown', confidence: 0.98, evidence: 'generic praise' },
+        ]),
+      };
+      const config = getTestConfig({ reddit: {
+        subreddits: [{ name: 'scene', type: 'image', targetingMode: 'comment-author' }],
+        targetGenders: ['female'],
+      } });
+      monitor = new MonitorService(
+        redditApi, createMockPostsRepo(), createMockMessagesRepo(), config, logger, 0, undefined, screener,
+      );
+
+      const candidates = await monitor.fetchCandidates(config.reddit.subreddits[0]);
+
+      expect(candidates).toHaveLength(1);
+      expect(candidates[0]).toMatchObject({
+        id: 't1_match', name: 't1_match', author: 'reactor', url: source.url,
+        permalink: '/r/scene/comments/post1/a_scene/match/',
+        targetComment: {
+          body: "I'd love that to be done to me", sourcePostId: 'post1',
+          sourcePostAuthor: 'poster', expressedGender: 'female', confidence: 0.94,
+        },
+      });
+      await monitor.fetchCandidates(config.reddit.subreddits[0]);
+      expect(screener.screenCommentReactions).toHaveBeenCalledTimes(1);
+    });
+
+    it('fails closed on low-confidence or non-qualifying reactions', async () => {
+      const source = {
+        id: 'post1', name: 't3_post1', subreddit: 'scene', author: 'poster', title: 'A scene',
+        url: 'https://example.com/scene.jpg', permalink: '/r/scene/comments/post1/', thumbnail: '',
+        is_self: false, created_utc: 100, over_18: true, spoiler: false,
+      } as RedditPost;
+      const redditApi = createMockRedditApi([source]);
+      redditApi.getBrowsingComments = vi.fn().mockResolvedValue([
+        { fullname: 't1_low', author: 'a', text: 'I want this as well', removed: false, createdAt: 101_000, permalink: '/low' },
+        { fullname: 't1_male', author: 'b', text: 'As a man I want this', removed: false, createdAt: 102_000, permalink: '/male' },
+      ]);
+      const screener = { screenCommentReactions: vi.fn().mockResolvedValue([
+        { id: 't1_low', qualifies: true, expressedGender: 'female', confidence: 0.79, evidence: '' },
+        { id: 't1_male', qualifies: false, expressedGender: 'male', confidence: 0.99, evidence: '' },
+      ]) };
+      const config = getTestConfig({ reddit: {
+        subreddits: [{ name: 'scene', type: 'image', targetingMode: 'comment-author' }],
+        targetGenders: ['female'],
+      } });
+      monitor = new MonitorService(
+        redditApi, createMockPostsRepo(), createMockMessagesRepo(), config, logger, 0, undefined, screener,
+      );
+
+      await expect(monitor.fetchCandidates(config.reddit.subreddits[0])).resolves.toEqual([]);
+    });
+  });
 });