feat: track received image outcomes

packages/api-contracts/src/messages.ts

@@ -8,6 +8,7 @@ export const SentMessageSchema = z.strictObject({
   message: z.string(),
   sentAt: z.number(),
   gotResponse: z.boolean(),
+  gotImage: z.boolean(),
   responseCheckedAt: z.number().nullable(),
   strategyId: z.string().nullable(),
   chatRoomId: z.string().nullable(),
@@ -43,6 +44,7 @@ export const SuccessfulExampleSchema = z.strictObject({
   responseSnippet: z.string().nullable(),
   subreddit: z.string().nullable(),
   createdAt: z.number(),
+  gotImage: z.boolean().optional(),
 });
 export const SuccessfulExamplesResponseSchema = z.array(SuccessfulExampleSchema);