* test(qa): run vitest and playwright scenarios from qa suite
* fix(qa): harden scenario suite dispatch
* refactor(qa): share scenario path utilities
* refactor(qa): share test file scenario runner
* refactor(qa): route test file scenarios through suite runtime
* refactor(qa): use explicit suite runtime result kind
* test(qa): write suite evidence artifact
* refactor(qa): clarify suite execution dispatch
* fix(qa): keep test-file scenarios out of flow-only runners
* refactor(qa): export mixed scenario suite runner
561b293c7a
