Promote pre-launch fix batch 1 to qa (dev→qa content twin)
- fix(admin-config): env-drive invite URL/sender and warn on unset prod logout env
- Add UX-safety guards to admin surfaces before launch
- fix(admin): pre-launch reliability — stop silent error swallowing + add timeouts
- fix(admin/security): gate KB /source, close API authz deny-list gap, sanitize embed_html + enforce password floor
- fix(admin): repair ESLint 9 flat-config lint gate + patch prod dep vulns
- Merge remote-tracking branch 'origin/qa' into promote/admin-prelaunch-batch1-qa
- Merge pull request #235 from tpromni/promote/admin-prelaunch-batch1-qa
Source: tpromni/coach-pulse-admin-ui → qa