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Tech-debt batch 2: revoke sessions on disable/role change, enforce quota on plain uploads (#581 #586) #548

Job	Run time
Python tests	9m 38s
Python typecheck	16s
JS tests (Vitest)	1m 8s
Python lint & format	16s
Docs site build	25s
JS build (Vite)	56s
JS typecheck	1m 2s
Perf guards (Playwright)	2m 0s
Migrations round trip (Postgres)	34s
E2E smoke (Playwright)	2m 13s
Module diagnostics (make doctor)	21s
File size (300-line cap)	15s
JS lint & format	26s
Package build (release dry-run)	15s
PR checks	4s
	19m 49s