diff --git a/design.md b/design.md
index d6d2385..75d1e15 100644
--- a/design.md
+++ b/design.md
@@ -40,12 +40,16 @@ High-level architecture, main components, interactions, and data flow. Include a
 
 ```mermaid
 flowchart LR
-  client[Client/UI] --> api[API Gateway / Web Server]
-  api --> svc1[Service A]
-  api --> svc2[Service B]
-  svc1 --> db[(Database)]
-  svc2 --> cache[(Cache)]
-  svc2 --> ext[(External API)]
+    proc_queue[Message Queue] --> proc_queue_worker[Worker Service]
+    proc_queue_worker --> ext_mail[(Email Service)]
+    proc_cron[Task planner] --> proc_queue
+    proc_queue_worker --> ext_bank[(Bank API)]
+    proc_queue_worker --> db
+    client[Client/UI] --> api[API Gateway / Web Server]
+    api --> svc[Web API]
+    svc --> proc_queue
+    svc --> db[(Database)]
+    svc --> cache[(Cache)]
 ```
 
 - Components and responsibilities: What does each box do?
@@ -89,8 +93,8 @@ Notes:
 
 Describe the deployment strategy and infrastructure requirements.
 
-- Environments: dev / staging / prod (if applicable).
-- Runtime platform: Docker, Compose, Kubernetes, serverless, PaaS.
+- Environments: prod, local dev
+- Runtime platform: Kubernetes
 - Infrastructure diagram (optional):
 
 ```mermaid