Isolate database credentials for agent tests

docker-compose.yml

@@ -23,6 +23,13 @@ services:
       POLL_SECONDS: ${POLL_SECONDS:-60}
       STALE_CLAIM_MINUTES: ${STALE_CLAIM_MINUTES:-90}
       TEST_COMMANDS: ${TEST_COMMANDS:-composer install --no-interaction --prefer-dist;;php artisan test}
+      TEST_DB_HOST: ${TEST_DB_HOST:-host.docker.internal}
+      TEST_DB_PORT: ${TEST_DB_PORT:-33060}
+      TEST_DB_NAME: ${TEST_DB_NAME:-laravel_ai_chat_agent_test}
+      TEST_DB_USER: ${TEST_DB_USER:-lai_test_runner}
+      TEST_DB_PASSWORD: ${TEST_DB_PASSWORD:-agent_test_secret}
+      TEST_CUSTOMER_DB: ${TEST_CUSTOMER_DB:-customer_agent_test}
+      TEST_CONFIG_DB: ${TEST_CONFIG_DB:-cockpit_agent_test}
     extra_hosts:
       - host.docker.internal:host-gateway
     volumes: