Add commenter targeting mode

packages/api-contracts/src/config.ts

@@ -53,10 +53,19 @@ export const SubredditConfigSchema = z.strictObject({
   name: z.string(),
   enabled: z.boolean().default(true),
   type: z.union([z.literal('image'), z.literal('chat')]),
+  targetingMode: z.union([z.literal('post-author'), z.literal('comment-author')]).default('post-author'),
   weight: z.number().optional(),
   tone: ToneKeySchema,
   scripted: z.string().optional(),
   conversation: ConversationBehaviourSchema,
+}).superRefine((subreddit, context) => {
+  if (subreddit.type === 'chat' && subreddit.targetingMode === 'comment-author') {
+    context.addIssue({
+      code: 'custom',
+      path: ['targetingMode'],
+      message: 'Comment-author targeting is available only for image posts.',
+    });
+  }
 });
 export const ConfigResponseSchema = RuntimeConfigSchema.extend({
   subreddits: z.array(SubredditConfigSchema),