Refine workspaces and event publishing; harden uploads and email delivery

packages/database/drizzle/0007_email_outbox.sql

@@ -0,0 +1,9 @@
+CREATE TABLE email_deliveries (
+ id uuid PRIMARY KEY DEFAULT gen_random_uuid(), event_id uuid NOT NULL REFERENCES events(id) ON DELETE CASCADE,
+ recipient text NOT NULL, payload jsonb NOT NULL, provider text NOT NULL,
+ status text NOT NULL DEFAULT 'pending', attempts integer NOT NULL DEFAULT 0,
+ first_attempt_at timestamptz, next_attempt_at timestamptz NOT NULL DEFAULT now(),
+ provider_id text, last_error text, created_at timestamptz NOT NULL DEFAULT now(), updated_at timestamptz NOT NULL DEFAULT now()
+);
+CREATE UNIQUE INDEX email_deliveries_event_recipient_idx ON email_deliveries(event_id, recipient);
+CREATE INDEX email_deliveries_queue_idx ON email_deliveries(status, next_attempt_at);