chore(SC-P-03): 忽略本地 API 测试产物目录 .api-artifacts-local

与既有 tests/.api-artifacts/ 模式一致，本地 playwright.config.api.local.js 运行产物不入库

.gitignore

@@ -33,6 +33,7 @@ coverage/
 
 # Playwright 运行产物：保留 .last-run.json 纳入版本控制，其余失败诊断（截图/trace/zip）不入库
 tests/.api-artifacts/
+tests/.api-artifacts-local/
 tests/test-results/*
 !tests/test-results/.last-run.json