Use when x4-e2e-test-doc-details needs fixture patch rules or helper guidance for X4 E2E test data.
Use when refining X4 `e2e_tests.md` into detailed E2E task, fixture, and implementation knowledge documents before Playwright implementation.
Use when creating or updating only the high-level X4 E2E test plan `e2e_tests.md` before detail expansion.
Review X4 E2E test documentation draft and gate x4-e2e-test-doc completion. Must run in a dedicated isolated subagent. Trigger with /x4:e2e-test-doc-viewer <change-name>.
Implement Playwright E2E tests for X4 changes from `e2e_test_tasks.md` and validate task-to-test mapping. Trigger with /x4:e2e-test-impl <change-name>.
Run change-scoped X4 Playwright E2E tests and validate implementation coverage against `e2e_test_tasks.md`. Trigger with /x4:e2e-test-run <change-name>.
Orchestrate X4 E2E-only test workflow across high-level docs, detailed docs, review, implementation, and run phases. Trigger with /x4:e2e-test <change-name>.
Implement a change for X4 Station Calculator. Trigger with /x4:apply <change-name>.