PASS: fresh database integrity
PASS: all migrations applied
PASS: three RBAC roles seeded
PASS: default institution seeded
PASS: course created with stable ID
PASS: course listing returns the created course
PASS: course detail round-trip
PASS: course duplication creates a new ID
PASS: duplicate overrides offering fields
PASS: duplicate clears offering-specific marks
PASS: duplicate clears survey tallies
PASS: teacher assignment is persisted
PASS: teacher assignment can be removed
PASS: post-backup change persisted
PASS: verified restore returns snapshot data
PASS: restored database integrity
PASS: course deletion succeeds
PASS: deleted course is absent
PASS: T&L plan with 14 complete teaching weeks is done
PASS: exam week needs no topic, TLO or CO
PASS: teaching week without a TLO keeps the T&L plan open
PASS: fewer than 10 teaching weeks keeps the T&L plan open
PASS: a CO taught in no week keeps the T&L plan open
PASS: delivery setting falls back to .env/config
PASS: dashboard delivery value overrides .env
PASS: saved secret decrypts to the original value
PASS: secret is not stored in plain text
PASS: describe() reports secrets without their value
PASS: describe() never contains the secret
PASS: blank secret field keeps the saved secret
PASS: blank value removes the override
PASS: cleared secret falls back to .env
PASS: invalid mail_driver is rejected
PASS: invalid smtp_port is rejected
PASS: invalid bulk_sms_base_url is rejected
PASS: invalid mail_from_name is rejected
PHP regression suite completed successfully.