Can I vibe code Sailthru?

Build a multi-channel marketing automation engine using Node.js, PostgreSQL, Redis, and Tailwind CSS.

1. DATA MODEL:
- Users: id, email, phone, properties (JSONB), opt_in_email (boolean), opt_in_sms (boolean), created_at.
- Events: id, user_id, event_name, payload (JSONB), timestamp.
- Campaigns: id, name, channel ('email'|'sms'), trigger_type ('event'|'scheduled'), segment_definition (JSONB), dynamic_template_id.
- Workflow_Execution: id, campaign_id, user_id, status, step_index, next_run_at.
- Message_Logs: id, user_id, channel, status ('queued'|'sent'|'failed'|'bounced'), provider_message_id.

2. INGESTION & TRACKING API:
- POST /api/v1/track: Accept batch event payloads with API key authorization. Write events asynchronously to Redis Stream. A background worker flushes stream events into PostgreSQL/ClickHouse and updates User properties.
- POST /api/v1/identify: Upsert user traits and consent flags.

3. WORKFLOW ENGINE:
- Worker process using BullMQ listening to event ingestion. Match incoming user events against active event-triggered workflows.
- Implement a delay node and conditional branching engine (e.g., IF user purchased within 24 hours THEN stop ELSE send SMS).
- Integrate AWS SES for email delivery and Twilio for SMS.

4. TEMPLATING & SEGMENTATION:
- Dynamic HTML template rendering using Handlebars. Inject store catalog variables and user profile JSON data at run-time.
- Segment query engine: Parse JSON conditions into SQL WHERE clauses over user properties and aggregated event history.

5. FAILURE MODES & COMPLIANCE:
- Webhook endpoint for SES/Twilio bounce/complaint/unsubscribe notifications. Automatically flip opt_in flags to false on hard bounce or spam complaint.
- Enforce global rate-limiting per customer to avoid hitting ISP throttling limits.

OUT OF SCOPE:
Visual drag-and-drop workflow UI canvas (use structured JSON/form inputs), native mobile app SDKs, predictive AI send-time optimization.

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