"""add messages.has_remote_images

Surfaces whether the sanitizer blocked remote images so the UI can show the
"load images" bar (SPEC §9.4).

Revision ID: 0003
Revises: 0002
Create Date: 2026-07-17
"""

from __future__ import annotations

from collections.abc import Sequence

from alembic import op

revision: str = "0003"
down_revision: str | None = "0002"
branch_labels: str | Sequence[str] | None = None
depends_on: str | Sequence[str] | None = None


def upgrade() -> None:
    op.execute("ALTER TABLE messages ADD COLUMN has_remote_images boolean NOT NULL DEFAULT false")


def downgrade() -> None:
    op.execute("ALTER TABLE messages DROP COLUMN IF EXISTS has_remote_images")