chore(v2): establish protocol and test foundation

backend/alembic/README

@@ -1 +0,0 @@
-Generic single-database configuration.

backend/alembic/env.py

@@ -1,47 +0,0 @@
-import asyncio
-from logging.config import fileConfig
-from sqlalchemy import pool
-from sqlalchemy.engine import Connection
-from sqlalchemy.ext.asyncio import async_engine_from_config
-from alembic import context
-from app.models import Base
-
-config = context.config
-if config.config_file_name is not None:
-    fileConfig(config.config_file_name)
-
-target_metadata = Base.metadata
-
-def run_migrations_offline() -> None:
-    url = config.get_main_option("sqlalchemy.url")
-    context.configure(
-        url=url,
-        target_metadata=target_metadata,
-        literal_binds=True,
-        dialect_opts={"paramstyle": "named"},
-    )
-    with context.begin_transaction():
-        context.run_migrations()
-
-def do_run_migrations(connection: Connection) -> None:
-    context.configure(connection=connection, target_metadata=target_metadata)
-    with context.begin_transaction():
-        context.run_migrations()
-
-async def run_async_migrations() -> None:
-    connectable = async_engine_from_config(
-        config.get_section(config.config_ini_section, {}),
-        prefix="sqlalchemy.",
-        poolclass=pool.NullPool,
-    )
-    async with connectable.connect() as connection:
-        await connection.run_sync(do_run_migrations)
-    await connectable.dispose()
-
-def run_migrations_online() -> None:
-    asyncio.run(run_async_migrations())
-
-if context.is_offline_mode():
-    run_migrations_offline()
-else:
-    run_migrations_online()

backend/alembic/script.py.mako

@@ -1,28 +0,0 @@
-"""${message}
-
-Revision ID: ${up_revision}
-Revises: ${down_revision | comma,n}
-Create Date: ${create_date}
-
-"""
-from typing import Sequence, Union
-
-from alembic import op
-import sqlalchemy as sa
-${imports if imports else ""}
-
-# revision identifiers, used by Alembic.
-revision: str = ${repr(up_revision)}
-down_revision: Union[str, Sequence[str], None] = ${repr(down_revision)}
-branch_labels: Union[str, Sequence[str], None] = ${repr(branch_labels)}
-depends_on: Union[str, Sequence[str], None] = ${repr(depends_on)}
-
-
-def upgrade() -> None:
-    """Upgrade schema."""
-    ${upgrades if upgrades else "pass"}
-
-
-def downgrade() -> None:
-    """Downgrade schema."""
-    ${downgrades if downgrades else "pass"}