33 lines
1.9 KiB
Markdown
33 lines
1.9 KiB
Markdown
# Source provenance
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SendGrid driver source adapted from the local Sendico checkout at commit
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`8bb20dcd622dd8eb92d289b6b34411e7eccab083`:
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`api/notification/internal/server/notificationimp/mail/internal/sendgrid.go`.
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The adaptation retains SendGrid SDK message construction, sender configuration
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and personalization. It implements our provider-neutral `email.Sender` contract,
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accepts already-rendered subject/text/HTML, uses bounded context-aware HTTP,
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classifies delivery outcomes and never logs provider response bodies. Sendico's
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builders, dynamic-template dependency, notification events and unused producer
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were removed. Resend is a new driver using the same contract.
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SMTP is an owned adapter using Go's standard `net/smtp`, verified `crypto/tls`
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connections and standard MIME encoders. Its implicit-TLS connection configuration
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matches Sendico's existing mail client, without importing its modules or copying
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its keepalive/reconnect behavior. Local mailbox credentials are provisioned into
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SXCHNGE Vault explicitly; the application does not read Sendico files or secrets.
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Shared messaging was selected from that same Sendico revision's
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`api/pkg/messaging`: `config.go`, `capability/errors.go`, `reliable/transport.go`,
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`reliable/durable_settings.go`, `reliable/durable_settings_behavior.go`,
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`internal/natsb/broker.go`, `internal/natsb/config/config.go`, and
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`internal/natscap/durable.go`. The selected code lives in
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`backend/shared/messaging`, with imports adapted to SXCHNGE. The runtime composes
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those adapters and owns connection closure. Unused discovery, best-effort envelope
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subscriptions, platform stream registries and parking provisioning were omitted.
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The durable adapter was separated into transport, subscription and admin files;
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publishing now honors its context and fetch polling respects its bounded wait.
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No Sendico module or live Sendico infrastructure is required. Use SXCHNGE-owned
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MongoDB and NATS deployments.
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