The send pipeline (publisher subject/body encryption, the S3 emsg blob,
and the worker-side decrypt) now keys off models.SendEmail.OrgID
instead of UserID. EmailMessage loses its UserID field entirely:
emailSender.Send derives the cipher identity from the email account's
OrganizationID and refuses to send for an account without one.
This also fixes two latent bugs. Emails sent through user_email_task
never set UserID, so they were silently encrypted under the zero-UUID
platform key. campaign_task's discarded Encrypt() pair is replaced with
an explicit DEK warm that fails fast when KMS is unavailable.
Carry attachment references inside the stored email body blob, resolve bytes on workers, and encode attachments for Gmail API and SMTP sends without changing the Kafka send-email contract.
WorkerService now holds eventbus.EventBus + codec.Codec instead of
*kafka.Producer / *kafka.Consumer. Receive() satisfies the
eventbus.Handler signature; Produce() goes through Codec.Serialize +
Bus.Publish.
events.Publisher likewise switches to (bus, codec) and stops
serializing via *kafka.Avrov2 directly.
The kafka package and its Avrov2/Producer/Consumer types remain for
the few non-worker call sites (tracking consumer, validate_credentials)
that haven't been migrated yet; bundled with KafkaBus.Producer() so
existing Avro framing on Kafka is preserved.
Worker boot wiring is split into cmd/* entry-point commits.
Disable the linters that fire on legacy code without flagging real
bugs: `unused` (orphan repos kept for future feature flags),
`unconvert` (defensive type conversions), `gosimple` (style
suggestions in code we don't want to touch).
govet: disable `shadow` (idiomatic `err :=` re-decls in transaction
patterns) and `nilness` (legitimate defensive nil checks that look
tautological to the analyzer).
Ran `gofmt -w internal/ cmd/` — every Go file now passes
gofmt -l with no output.
Kept: govet, staticcheck, ineffassign, typecheck, bodyclose, noctx,
sqlclosecheck, gofmt, goimports, misspell — the real-bug checks.
Matthew Meszaros