feat(phase-4a): backend skeleton, auth, health, tests

alembic/env.py

@@ -0,0 +1,86 @@
+"""Alembic environment for async SQLAlchemy.
+
+Reads DATABASE_URL from app.core.config and imports all models so
+autogenerate can detect schema changes.
+"""
+
+from __future__ import annotations
+
+import asyncio
+from logging.config import fileConfig
+
+from alembic import context
+from sqlalchemy import pool
+from sqlalchemy.engine import Connection
+from sqlalchemy.ext.asyncio import async_engine_from_config
+
+# Import settings + Base + all models
+from app.core.config import get_settings
+from app.core.db import Base
+
+# Import models so Base.metadata is populated
+import app.models  # noqa: F401
+
+config = context.config
+
+# Override sqlalchemy.url from app settings
+config.set_main_option("sqlalchemy.url", get_settings().DATABASE_URL)
+
+# Configure Python logging from alembic.ini
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+# Metadata for autogenerate
+target_metadata = Base.metadata
+
+
+def run_migrations_offline() -> None:
+    """Run migrations in 'offline' mode (emits SQL without a DB connection)."""
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(
+        url=url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+        render_as_batch=True,  # SQLite ALTER TABLE support
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def do_run_migrations(connection: Connection) -> None:
+    """Run migrations with the given connection."""
+    context.configure(
+        connection=connection,
+        target_metadata=target_metadata,
+        render_as_batch=True,  # SQLite ALTER TABLE support
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+async def run_async_migrations() -> None:
+    """Run migrations in async mode using an async engine."""
+    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:
+    """Run migrations in 'online' mode via asyncio."""
+    asyncio.run(run_async_migrations())
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()

alembic/script.py.mako

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+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from __future__ import annotations
+
+from collections.abc import Sequence
+from typing import Union
+
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision: str = ${repr(up_revision)}
+down_revision: Union[str, 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:
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade() -> None:
+    ${downgrades if downgrades else "pass"}

alembic/versions/0001_init.py

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+"""init_orgs_and_users
+
+Revision ID: 0001
+Revises:
+Create Date: 2026-06-03
+
+"""
+from __future__ import annotations
+
+from collections.abc import Sequence
+from typing import Union
+
+import sqlalchemy as sa
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision: str = "0001"
+down_revision: Union[str, None] = None
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # === orgs ===
+    op.create_table(
+        "orgs",
+        sa.Column("id", sa.Integer(), primary_key=True, autoincrement=True),
+        sa.Column("name", sa.String(length=255), nullable=False),
+        sa.Column("logo_url", sa.String(length=1024), nullable=True),
+        sa.Column(
+            "default_currency",
+            sa.String(length=3),
+            nullable=False,
+            server_default="EUR",
+        ),
+        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,
+        ),
+    )
+    op.create_index("ix_orgs_created_at", "orgs", ["created_at"])
+
+    # === users ===
+    op.create_table(
+        "users",
+        sa.Column("id", sa.Integer(), primary_key=True, autoincrement=True),
+        sa.Column("org_id", sa.Integer(), nullable=False),
+        sa.Column("email", sa.String(length=255), nullable=False),
+        sa.Column("password_hash", sa.String(length=255), nullable=False),
+        sa.Column("name", sa.String(length=255), nullable=False),
+        sa.Column(
+            "role",
+            sa.String(length=32),
+            nullable=False,
+            server_default="sales_rep",
+        ),
+        sa.Column("avatar_url", sa.String(length=1024), nullable=True),
+        sa.Column(
+            "email_notifications",
+            sa.Boolean(),
+            nullable=False,
+            server_default=sa.text("1"),
+        ),
+        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.Column("deleted_at", sa.DateTime(timezone=True), nullable=True),
+        sa.ForeignKeyConstraint(
+            ["org_id"], ["orgs.id"], ondelete="CASCADE", name="fk_users_org_id"
+        ),
+        sa.UniqueConstraint("org_id", "email", name="uq_users_org_email"),
+    )
+    op.create_index("ix_users_email", "users", ["email"])
+    op.create_index("ix_users_org_id", "users", ["org_id"])
+    op.create_index("ix_users_created_at", "users", ["created_at"])
+    op.create_index("ix_users_deleted_at", "users", ["deleted_at"])
+
+
+def downgrade() -> None:
+    op.drop_index("ix_users_deleted_at", table_name="users")
+    op.drop_index("ix_users_created_at", table_name="users")
+    op.drop_index("ix_users_org_id", table_name="users")
+    op.drop_index("ix_users_email", table_name="users")
+    op.drop_table("users")
+    op.drop_index("ix_orgs_created_at", table_name="orgs")
+    op.drop_table("orgs")