Prepare server deployment

src/app/test/page.tsx

@@ -8,7 +8,7 @@ export default async function TestPage({ searchParams }: { searchParams: Promise
     redirect('/login')
   }
 
-  const logs = readJsonFile<any[]>('webhook-logs.json', [])
+  const logs = readJsonFile<unknown[]>('webhook-logs.json', [])
   const state = readJsonFile<Record<string, unknown>>('flow-state.json', {})
   const params = await searchParams
 

src/app/webhook-logs/page.tsx

@@ -8,7 +8,7 @@ export default async function WebhookLogsPage() {
     redirect('/login')
   }
 
-  const logs = readJsonFile<any[]>('webhook-logs.json', [])
+  const logs = readJsonFile<unknown[]>('webhook-logs.json', [])
 
   return (
     <div className="wrap">

src/lib/whatsapp.ts

@@ -1,6 +1,25 @@
 import { appendLog, readJsonFile, writeJsonFile } from './storage'
 
 type FlowState = Record<string, { step: string; name?: string }>
+type WebhookValue = {
+  messages?: IncomingMessage[]
+  statuses?: unknown[]
+}
+type WebhookChange = {
+  value?: WebhookValue
+}
+type WebhookEntry = {
+  changes?: WebhookChange[]
+}
+type WebhookPayload = {
+  entry?: WebhookEntry[]
+}
+type IncomingMessage = {
+  from?: string
+  text?: {
+    body?: string
+  }
+}
 
 function normalizeNumber(number?: string | null) {
   return (number || '').replace(/\D+/g, '')
@@ -37,7 +56,7 @@ export async function sendTextMessage(to: string, message: string) {
   return payload
 }
 
-export async function handleWebhook(payload: any) {
+export async function handleWebhook(payload: WebhookPayload) {
   appendLog({ type: 'webhook_received', payload, created_at: new Date().toISOString() })
 
   for (const entry of payload.entry || []) {
@@ -55,7 +74,7 @@ export async function handleWebhook(payload: any) {
   }
 }
 
-async function handleIncomingMessage(message: any) {
+async function handleIncomingMessage(message: IncomingMessage) {
   const from = message.from || ''
   appendLog({ type: 'incoming_message', from, message, created_at: new Date().toISOString() })