* fix(streaming): make Redis stream END publication idempotent
* fix(streaming): align Redis test fake with Lua END checks
Remove the unreachable owned missing-stream branch, mirror tail-only data checks in both fake script paths, and pin legacy END and owned missing-buffer behavior against real Redis.
* fix(streaming): gate legacy END scans after writer rollout
* fix(helm): synchronize embedded config version with schema
* test(runtime): use real stream bridge config in close coverage
Keep new configuration defaults in lifecycle fixtures and surface owner-task failures instead of masking them as event timeouts. Drain every helper task and cover context entry/close failures.
---------
Co-authored-by: Willem Jiang <willem.jiang@gmail.com>