"""
SQLAlchemy models for PaperJet.

All models use UUIDv4 string primary keys (except the singleton settings row).
Timestamps are stored as ISO8601 TEXT columns.
"""

from app.models.settings import Settings
from app.models.document import Document
from app.models.annotation_state import AnnotationState
from app.models.version import Version

__all__ = ["Settings", "Document", "AnnotationState", "Version"]