From 4b8fabc204fa71abfd2c79eaf6be95d9bfeddb7a Mon Sep 17 00:00:00 2001
From: Martin Porwoll <martin.porwoll@complexcaresolutions.de>
Date: Mon, 2 Mar 2026 16:12:04 +0000
Subject: [PATCH] feat: make WhatsApp platform/account IDs configurable via env
 vars

WHATSAPP_PLATFORM_ID and WHATSAPP_ACCOUNT_ID can now be set in .env
to match CMS entity IDs on different environments (dev vs production).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 src/config.ts                    |  4 ++++
 src/payload/InteractionWriter.ts | 22 +++++++++++++---------
 2 files changed, 17 insertions(+), 9 deletions(-)

diff --git a/src/config.ts b/src/config.ts
index 702905e..50f6a29 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -29,6 +29,10 @@ const envSchema = z.object({
 
   // CCS Tenant
   CCS_TENANT_ID: z.coerce.number().default(10),
+
+  // CMS entity IDs (may differ between Dev and Production)
+  WHATSAPP_PLATFORM_ID: z.coerce.number().default(4),
+  WHATSAPP_ACCOUNT_ID: z.coerce.number().default(1),
 })
 
 export type Config = z.infer<typeof envSchema>
diff --git a/src/payload/InteractionWriter.ts b/src/payload/InteractionWriter.ts
index 448247a..1bab11a 100644
--- a/src/payload/InteractionWriter.ts
+++ b/src/payload/InteractionWriter.ts
@@ -1,3 +1,4 @@
+import { getConfig } from '../config.js'
 import { getLogger } from '../lib/logger.js'
 import type { NormalizedMessage } from '../whatsapp/types.js'
 import type { LLMResponse } from '../llm/LLMProvider.js'
@@ -5,12 +6,15 @@ import type { PayloadClient } from './PayloadClient.js'
 
 const log = getLogger('interaction-writer')
 
-// WhatsApp platform + account IDs in CMS
-const WHATSAPP_PLATFORM_ID = 4
-const WHATSAPP_ACCOUNT_ID = 1
-
 export class InteractionWriter {
-  constructor(private payloadClient: PayloadClient) {}
+  private platformId: number
+  private accountId: number
+
+  constructor(private payloadClient: PayloadClient) {
+    const config = getConfig()
+    this.platformId = config.WHATSAPP_PLATFORM_ID
+    this.accountId = config.WHATSAPP_ACCOUNT_ID
+  }
 
   async init(): Promise<void> {
     log.info('InteractionWriter initialized (REST API mode)')
@@ -22,8 +26,8 @@ export class InteractionWriter {
   ): Promise<number> {
     try {
       const data: Record<string, unknown> = {
-        platform: WHATSAPP_PLATFORM_ID,
-        socialAccount: WHATSAPP_ACCOUNT_ID,
+        platform: this.platformId,
+        socialAccount: this.accountId,
         type: 'dm',
         externalId: message.messageId,
         author: {
@@ -62,8 +66,8 @@ export class InteractionWriter {
       const doc = await this.payloadClient.create<{ id: number }>(
         'community-interactions',
         {
-          platform: WHATSAPP_PLATFORM_ID,
-          socialAccount: WHATSAPP_ACCOUNT_ID,
+          platform: this.platformId,
+          socialAccount: this.accountId,
           type: 'dm',
           externalId: `bot-reply-${Date.now()}`,
           author: {