"""Data-source profiles: DB-specific constraints, separated from general logic.

See ``docs/stage2_portability_design.md``. Author a new database target by
adding ``src/configs/datasets/<name>.yaml`` and selecting it via
``SAGE_DATASOURCE_PROFILE=<name>`` — no pipeline code changes.
"""

from .loader import (
    ACTIVE_PROFILE_ENV,
    DEFAULT_PROFILE_NAME,
    active_profile_name,
    get_active_profile,
    load_profile,
)
from .profile import CanonicalView, DataSourceProfile, SourceSpec

__all__ = [
    "ACTIVE_PROFILE_ENV",
    "CanonicalView",
    "DEFAULT_PROFILE_NAME",
    "DataSourceProfile",
    "SourceSpec",
    "active_profile_name",
    "get_active_profile",
    "load_profile",
]