Add Playwright e2e coverage and Node 20 pin

docker-compose.dev.yml

@@ -8,7 +8,7 @@ services:
       POSTGRES_PASSWORD: postgres
       POSTGRES_DB: resolutionflow
     ports:
-      - "5432:5432"
+      - "${POSTGRES_PORT:-5432}:5432"
     volumes:
       - rf_postgres_data:/var/lib/postgresql/data
     healthcheck:
@@ -39,7 +39,7 @@ services:
       - AI_PROVIDER=anthropic
       - ANTHROPIC_API_KEY=${ANTHROPIC_API_KEY}
       - GOOGLE_AI_API_KEY=${GOOGLE_AI_API_KEY}
-      - CORS_ORIGINS=["http://localhost:3000","http://localhost:5173"]
+      - CORS_ORIGINS=["http://localhost:3000","http://localhost:5173","http://127.0.0.1:3000","http://127.0.0.1:5173"]
     depends_on:
       db:
         condition: service_healthy
@@ -61,4 +61,4 @@ services:
 
 volumes:
   rf_postgres_data:
- 
+