feat: automate bounded image-sharing conversations

packages/api-contracts/src/chats.ts

@@ -69,6 +69,12 @@ export const ConversationDetailResponseSchema = ActiveChatSchema.extend({
     imageUrl: z.string().nullable().optional(),
     sentAt: z.number(),
   }).nullable(),
+  automation: z.strictObject({
+    turnsUsed: z.number().int().min(0).max(3),
+    remainingTurns: z.number().int().min(0).max(3),
+    status: z.enum(['active', 'image-received', 'human-required', 'boundary', 'user-overridden']),
+    handoffReason: z.string().nullable(),
+  }),
   syncInProgress: z.strictObject({
     kind: SyncKindSchema.nullable(),
     progress: SyncProgressSchema.nullable(),