Add engagement-only conversation mode

packages/api-contracts/src/chats.ts

@@ -27,14 +27,15 @@ export const ConversationTriageStatusSchema = z.enum(['open', 'snoozed', 'done']
  */
 export const ConversationAutomationStatusSchema = z.enum([
   'active',
+  'engaged',
   'image-received',
   'human-required',
   'boundary',
   'user-overridden',
   'killed',
 ]);
-/** The policy snapshotted when the conversation started. `manual` never auto-replies. */
-export const ConversationPolicyModeSchema = z.enum(['legacy', 'r4r', 'r4r-media', 'manual']);
+/** The policy snapshotted when the conversation started. `engagement` and `manual` never auto-reply. */
+export const ConversationPolicyModeSchema = z.enum(['legacy', 'engagement', 'r4r', 'r4r-media', 'manual']);
 
 export const ActiveChatSchema = z.strictObject({
   username: z.string(),