v0.12.25

Fixes

• Fix immediate mail.send delivery for cloud-store-backed outbox.mail rows by committing the queued row, reloading it with mail contents included, and only then starting SMTP delivery.
• Preserve retry metadata when the immediate path cannot reload/read the committed mail body, so the scheduler can retry instead of losing the delivery attempt.
• Keep SMTP delivery outside any open database transaction.
• Fix the outgoing SMTP E2E capture selector so it validates the intended Outbox E2E message when multiple deliveries share the same fake receiver.

Validation

• go test ./server/resource -run 'TestMailColumnBytes|TestResultToArrayCloudStoreMailColumn' passed.
• go test ./server/actions passed.
• scripts/testing/outbox-outgoing-e2e.sh passed: 15/15.
• go test ./... passed.