Repository navigation

feat(tenancy): fail-closed isolation + tenants module (SaaS groundwork) #411

Job	Run time
Python tests	9m 59s
JS lint & format	17s
Perf guards (Playwright)	1m 42s
JS typecheck	49s
Python lint & format	14s
JS tests (Vitest)	53s
Python typecheck	13s
JS build (Vite)	43s
E2E smoke (Playwright)	1m 55s
Package build (release dry-run)	14s
File size (300-line cap)	15s
PR checks	4s
	17m 18s