Use external port 9002 instead of 8080

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

character-builder/README.md

@@ -19,7 +19,7 @@ Two containers: `app` (NestJS serving the SPA + API) and `valkey`. Wire-up in
 docker compose up --build
 ```
 
-Then open <http://localhost:8080>.
+Then open <http://localhost:9002>.
 
 ## Update data
 

character-builder/docker-compose.yml

@@ -13,7 +13,7 @@ services:
       valkey:
         condition: service_healthy
     ports:
-      - "8080:3000"
+      - "9002:3000"
 
   valkey:
     image: valkey/valkey:8-alpine