Fix: API de chats con lastMessage y send acepta content

server/api/messages/[instanceId]/[chatId]/send.post.ts

@@ -6,7 +6,8 @@ import { query } from '../../../../utils/database'
 import { baileysManager } from '../../../../services/baileys/manager'
 
 interface SendMessageBody {
-  message: string
+  content?: string
+  message?: string
 }
 
 export default defineEventHandler(async (event) => {
@@ -19,8 +20,10 @@ export default defineEventHandler(async (event) => {
   const chatId = getRouterParam(event, 'chatId')
   const body = await readBody<SendMessageBody>(event)
 
-  if (!body.message?.trim()) {
+  // Accept both 'content' and 'message' fields
-    throw createError({ statusCode: 400, message: 'Message is required' })
+  const messageText = body.content || body.message
+  if (!messageText?.trim()) {
+    throw createError({ statusCode: 400, message: 'Message content is required' })
   }
 
   // Get chat JID
@@ -37,7 +40,7 @@ export default defineEventHandler(async (event) => {
 
   try {
     const result = await baileysManager.sendMessage(instanceId!, jid, {
-      text: body.message
+      text: messageText
     })
 
     return {

server/api/messages/[instanceId]/chats.get.ts

@@ -11,6 +11,7 @@ interface ChatRow {
   is_group: boolean
   unread_count: number
   last_message_at: Date | null
+  last_message: string | null
 }
 
 export default defineEventHandler(async (event) => {
@@ -29,7 +30,8 @@ export default defineEventHandler(async (event) => {
 
   // Get chats with last message
   const result = await query<ChatRow>(
-    `SELECT c.id, c.jid, c.name, c.is_group, c.unread_count, c.last_message_at
+    `SELECT c.id, c.jid, c.name, c.is_group, c.unread_count, c.last_message_at,
+       (SELECT content FROM messages m WHERE m.chat_id = c.id ORDER BY timestamp DESC LIMIT 1) as last_message
      FROM chats c
      WHERE c.instance_id = $1
      ORDER BY c.last_message_at DESC NULLS LAST`,
@@ -42,6 +44,7 @@ export default defineEventHandler(async (event) => {
     name: row.name || row.jid.split('@')[0],
     isGroup: row.is_group,
     unreadCount: row.unread_count,
-    lastMessageAt: row.last_message_at
+    lastMessageAt: row.last_message_at,
+    lastMessage: row.last_message || ''
   }))
 })