Initial open source release

internal/store/updatestate.go

@@ -0,0 +1,15 @@
+package store
+
+import (
+	"context"
+
+	"telesrv/internal/domain"
+)
+
+// UpdateStateStore 持久化 auth_key + user 维度的 pts/qts/seq 状态，避免同一设备换号串状态。
+type UpdateStateStore interface {
+	Get(ctx context.Context, authKeyID [8]byte, userID int64) (domain.UpdateState, bool, error)
+	Save(ctx context.Context, authKeyID [8]byte, userID int64, state domain.UpdateState) error
+	Delete(ctx context.Context, authKeyID [8]byte, userID int64) error
+	DeleteAuthKey(ctx context.Context, authKeyID [8]byte) error
+}