add telegram auth and reminders foundation

alembic/versions/202605120001_push_subscriptions.py

@@ -0,0 +1,39 @@
+"""push subscriptions
+
+Revision ID: 202605120001
+Revises: 202605110003
+Create Date: 2026-05-12
+"""
+
+from collections.abc import Sequence
+
+import sqlalchemy as sa
+from alembic import op
+
+revision: str = "202605120001"
+down_revision: str | None = "202605110003"
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        "push_subscriptions",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("user_id", sa.Integer(), nullable=False),
+        sa.Column("endpoint", sa.Text(), nullable=False),
+        sa.Column("p256dh", sa.String(length=256), nullable=True),
+        sa.Column("auth", sa.String(length=256), nullable=True),
+        sa.Column("user_agent", sa.String(length=256), nullable=True),
+        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False),
+        sa.Column("updated_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False),
+        sa.ForeignKeyConstraint(["user_id"], ["users.id"], ondelete="CASCADE"),
+        sa.PrimaryKeyConstraint("id"),
+        sa.UniqueConstraint("user_id", "endpoint", name="uq_push_user_endpoint"),
+    )
+    op.create_index(op.f("ix_push_subscriptions_user_id"), "push_subscriptions", ["user_id"])
+
+
+def downgrade() -> None:
+    op.drop_index(op.f("ix_push_subscriptions_user_id"), table_name="push_subscriptions")
+    op.drop_table("push_subscriptions")