feat: defer login bootstrap updates

internal/domain/bootstrap_update.go

@@ -0,0 +1,39 @@
+package domain
+
+import "time"
+
+type BootstrapUpdateJobKind string
+
+const (
+	BootstrapUpdateJobLoginMessage BootstrapUpdateJobKind = "login_message"
+)
+
+type BootstrapUpdateJobStatus string
+
+const (
+	BootstrapUpdateJobPending    BootstrapUpdateJobStatus = "pending"
+	BootstrapUpdateJobReady      BootstrapUpdateJobStatus = "ready"
+	BootstrapUpdateJobPublishing BootstrapUpdateJobStatus = "publishing"
+	BootstrapUpdateJobPublished  BootstrapUpdateJobStatus = "published"
+	BootstrapUpdateJobFailed     BootstrapUpdateJobStatus = "failed"
+)
+
+const BootstrapUpdateMaxAttempts = 5
+
+// BootstrapUpdateJob defers first-session account updates until the client has
+// received its initial updates baseline. Pending jobs do not occupy pts.
+type BootstrapUpdateJob struct {
+	ID           int64
+	Kind         BootstrapUpdateJobKind
+	UserID       int64
+	AuthKeyID    [8]byte
+	SessionID    int64
+	MessageBoxID int
+	Status       BootstrapUpdateJobStatus
+	Attempts     int
+	LastError    string
+	CreatedAt    time.Time
+	UpdatedAt    time.Time
+	ReadyAt      time.Time
+	PublishedAt  time.Time
+}