diff --git a/apps/api/src/database.py b/apps/api/src/database.py
index ded0e61..f745078 100644
--- a/apps/api/src/database.py
+++ b/apps/api/src/database.py
@@ -5,10 +5,18 @@ from src.config import Settings, build_database_url
 
 
 settings = Settings()
+database_url = settings.database_url
+
+# SQLite requires aiosqlite and different connect args
+connect_args = {}
+if database_url.startswith("sqlite"):
+    connect_args = {"check_same_thread": False}
+
 engine = create_async_engine(
-    settings.database_url,
+    database_url,
     future=True,
     poolclass=NullPool,
+    connect_args=connect_args,
 )
 SessionLocal = async_sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
 
diff --git a/apps/api/src/models/base.py b/apps/api/src/models/base.py
index fbf5edf..c913022 100644
--- a/apps/api/src/models/base.py
+++ b/apps/api/src/models/base.py
@@ -1,8 +1,7 @@
 import uuid
 from datetime import datetime
 
-from sqlalchemy import DateTime, func
-from sqlalchemy.dialects.postgresql import UUID
+from sqlalchemy import DateTime, Uuid, func
 from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column
 
 
@@ -11,7 +10,7 @@ class Base(DeclarativeBase):
 
 
 class UUIDPrimaryKeyMixin:
-    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    id: Mapped[uuid.UUID] = mapped_column(Uuid(as_uuid=True), primary_key=True, default=uuid.uuid4)
 
 
 class TimestampMixin:
diff --git a/apps/api/src/models/git_repository.py b/apps/api/src/models/git_repository.py
index d6876ca..5e8aa74 100644
--- a/apps/api/src/models/git_repository.py
+++ b/apps/api/src/models/git_repository.py
@@ -3,7 +3,7 @@ from datetime import datetime
 from typing import TYPE_CHECKING
 
 from sqlalchemy import Boolean, DateTime, ForeignKey, String
-from sqlalchemy.dialects.postgresql import UUID
+from sqlalchemy import Uuid as UUID
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
 from src.models.base import Base, TimestampMixin, UUIDPrimaryKeyMixin
@@ -18,8 +18,8 @@ class GitRepository(UUIDPrimaryKeyMixin, TimestampMixin, Base):
 
     name: Mapped[str] = mapped_column(String(255))
     path: Mapped[str] = mapped_column(String(1024))
-    project_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("projects.id"), nullable=False)
-    owner_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("users.id"), nullable=False)
+    project_id: Mapped[uuid.UUID] = mapped_column(UUID(), ForeignKey("projects.id"), nullable=False)
+    owner_id: Mapped[uuid.UUID] = mapped_column(UUID(), ForeignKey("users.id"), nullable=False)
     is_mirror: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)
     remote_url: Mapped[str | None] = mapped_column(String(1024), nullable=True)
     last_push: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
diff --git a/apps/api/src/models/project.py b/apps/api/src/models/project.py
index 977c5f7..3e970f6 100644
--- a/apps/api/src/models/project.py
+++ b/apps/api/src/models/project.py
@@ -2,7 +2,7 @@ import uuid
 from typing import TYPE_CHECKING
 
 from sqlalchemy import ForeignKey, String, Text
-from sqlalchemy.dialects.postgresql import UUID
+from sqlalchemy import Uuid as UUID
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
 from src.models.base import Base, TimestampMixin, UUIDPrimaryKeyMixin
@@ -18,9 +18,9 @@ class Project(UUIDPrimaryKeyMixin, TimestampMixin, Base):
 
     name: Mapped[str] = mapped_column(String(255))
     description: Mapped[str | None] = mapped_column(Text, nullable=True)
-    owner_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("users.id"), nullable=False)
+    owner_id: Mapped[uuid.UUID] = mapped_column(UUID(), ForeignKey("users.id"), nullable=False)
     default_ssh_key_id: Mapped[uuid.UUID | None] = mapped_column(
-        UUID(as_uuid=True),
+        UUID(),
         ForeignKey("ssh_keys.id"),
         nullable=True,
     )
diff --git a/apps/api/src/models/ssh_key.py b/apps/api/src/models/ssh_key.py
index ce499ee..fb39178 100644
--- a/apps/api/src/models/ssh_key.py
+++ b/apps/api/src/models/ssh_key.py
@@ -2,7 +2,7 @@ import uuid
 from typing import TYPE_CHECKING
 
 from sqlalchemy import ForeignKey, String, Text
-from sqlalchemy.dialects.postgresql import UUID
+from sqlalchemy import Uuid as UUID
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
 from src.models.base import Base, UUIDPrimaryKeyMixin
@@ -18,8 +18,8 @@ class SSHKey(UUIDPrimaryKeyMixin, Base):
     name: Mapped[str] = mapped_column(String(255))
     public_key: Mapped[str] = mapped_column(Text)
     private_key_encrypted: Mapped[str] = mapped_column(Text)
-    user_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("users.id"), nullable=False)
-    project_id: Mapped[uuid.UUID | None] = mapped_column(UUID(as_uuid=True), ForeignKey("projects.id"), nullable=True)
+    user_id: Mapped[uuid.UUID] = mapped_column(UUID(), ForeignKey("users.id"), nullable=False)
+    project_id: Mapped[uuid.UUID | None] = mapped_column(UUID(), ForeignKey("projects.id"), nullable=True)
 
     user: Mapped["User"] = relationship(back_populates="ssh_keys")
     project: Mapped["Project | None"] = relationship(back_populates="ssh_keys", foreign_keys=[project_id])
diff --git a/apps/api/src/models/user_config.py b/apps/api/src/models/user_config.py
index f7c46a5..169de24 100644
--- a/apps/api/src/models/user_config.py
+++ b/apps/api/src/models/user_config.py
@@ -2,7 +2,7 @@ import uuid
 from typing import TYPE_CHECKING
 
 from sqlalchemy import ForeignKey
-from sqlalchemy.dialects.postgresql import JSONB, UUID
+from sqlalchemy import JSON, Uuid as UUID
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
 from src.models.base import Base, TimestampMixin, UUIDPrimaryKeyMixin
@@ -14,7 +14,7 @@ if TYPE_CHECKING:
 class UserConfig(UUIDPrimaryKeyMixin, TimestampMixin, Base):
     __tablename__ = "user_configs"
 
-    user_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("users.id"), nullable=False, unique=True)
-    config: Mapped[dict[str, object]] = mapped_column(JSONB, default=dict, nullable=False)
+    user_id: Mapped[uuid.UUID] = mapped_column(UUID(), ForeignKey("users.id"), nullable=False, unique=True)
+    config: Mapped[dict[str, object]] = mapped_column(JSON, default=dict, nullable=False)
 
     user: Mapped["User"] = relationship(back_populates="user_config")
diff --git a/apps/api/tests/integration/test_auth_api.py b/apps/api/tests/integration/test_auth_api.py
index eaa8402..e9c6701 100644
--- a/apps/api/tests/integration/test_auth_api.py
+++ b/apps/api/tests/integration/test_auth_api.py
@@ -14,18 +14,6 @@ from src.models import Base
 from src.models.user import User
 
 
-@pytest.fixture(autouse=True)
-def configure_local_database(monkeypatch) -> None:
-    local_url = build_database_url(
-        user="headquarter",
-        password="headquarter",
-        host="localhost",
-        port=5432,
-        database="headquarter",
-    )
-    monkeypatch.setenv("DATABASE_URL", local_url)
-
-
 def _prepare_auth_test_db() -> None:
     async def _run() -> None:
         engine = create_async_engine(
@@ -87,8 +75,7 @@ def _insert_user_for_refresh(user_id: str) -> None:
     asyncio.run(_run())
 
 
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_login_redirects_to_authentik_authorize_endpoint() -> None:
     _prepare_auth_test_db()
     app = _load_app()
@@ -100,8 +87,7 @@ def test_login_redirects_to_authentik_authorize_endpoint() -> None:
     assert "response_type=code" in response.headers["location"]
 
 
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_me_returns_401_without_access_cookie() -> None:
     _prepare_auth_test_db()
     app = _load_app()
@@ -112,8 +98,7 @@ def test_me_returns_401_without_access_cookie() -> None:
     assert response.status_code == 401
 
 
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_me_returns_user_payload_with_valid_access_cookie() -> None:
     _prepare_auth_test_db()
     app = _load_app()
@@ -135,8 +120,7 @@ def test_me_returns_user_payload_with_valid_access_cookie() -> None:
     assert response.json()["email"] == "dev@headquarter.local"
 
 
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_logout_clears_auth_cookies() -> None:
     _prepare_auth_test_db()
     app = _load_app()
@@ -149,8 +133,7 @@ def test_logout_clears_auth_cookies() -> None:
     assert "access_token=" in response.headers.get("set-cookie", "")
 
 
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_callback_rejects_mismatched_state() -> None:
     _prepare_auth_test_db()
     app = _load_app()
@@ -162,8 +145,7 @@ def test_callback_rejects_mismatched_state() -> None:
     assert response.status_code == 401
 
 
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_callback_sets_auth_cookies_after_success(monkeypatch) -> None:
     _prepare_auth_test_db()
     app = _load_app()
@@ -192,8 +174,7 @@ def test_callback_sets_auth_cookies_after_success(monkeypatch) -> None:
     assert "refresh_token=" in set_cookie_header
 
 
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_refresh_rotates_cookie_and_returns_user_payload(monkeypatch) -> None:
     _prepare_auth_test_db()
     _insert_user_for_refresh("7f4b7ad8-c4ce-4d1b-8c83-7ce0f4f66dfb")
@@ -216,8 +197,7 @@ def test_refresh_rotates_cookie_and_returns_user_payload(monkeypatch) -> None:
     assert "refresh_token=" in response.headers.get("set-cookie", "")
 
 
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_refresh_returns_401_for_invalid_refresh_token(monkeypatch) -> None:
     _prepare_auth_test_db()
     app = _load_app()
diff --git a/apps/api/tests/integration/test_auth_services.py b/apps/api/tests/integration/test_auth_services.py
index b783ff8..dfef016 100644
--- a/apps/api/tests/integration/test_auth_services.py
+++ b/apps/api/tests/integration/test_auth_services.py
@@ -3,21 +3,17 @@ import base64
 
 import httpx
 import pytest
-import pytest_asyncio
-from sqlalchemy import text
-from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
+from sqlalchemy.ext.asyncio import AsyncSession
 
 from src.auth.cookies import build_cookie_options
 from src.auth.jwt_service import decode_access_token, mint_access_token
 from src.auth.oidc import build_login_redirect_url, exchange_code_for_tokens, verify_provider_access_token
 from src.auth.refresh_store import create_refresh_token, hash_refresh_token, revoke_refresh_token, rotate_refresh_token
-from src.config import Settings, build_database_url
-from src.models import Base
+from src.config import Settings
 from src.models.user import User
 
 
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_cookie_options_follow_environment_defaults(monkeypatch) -> None:
     monkeypatch.setenv("APP_ENV", "development")
     dev_settings = Settings()
@@ -34,8 +30,7 @@ def test_cookie_options_follow_environment_defaults(monkeypatch) -> None:
     assert prod_options["samesite"] == "strict"
 
 
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_login_redirect_url_contains_required_oidc_params() -> None:
     settings = Settings()
 
@@ -53,8 +48,7 @@ def test_login_redirect_url_contains_required_oidc_params() -> None:
     assert "nonce=nonce-123" in url
 
 
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_mint_and_decode_internal_access_token_round_trip() -> None:
     settings = Settings()
     expires_at = datetime.now(UTC) + timedelta(minutes=15)
@@ -75,8 +69,7 @@ def test_mint_and_decode_internal_access_token_round_trip() -> None:
     assert "exp" in claims
 
 
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_refresh_token_hash_is_deterministic_and_non_reversible() -> None:
     raw_token = "refresh-token-abc"
 
@@ -88,8 +81,7 @@ def test_refresh_token_hash_is_deterministic_and_non_reversible() -> None:
     assert len(first_hash) == 64
 
 
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_decode_access_token_rejects_invalid_signature() -> None:
     settings = Settings()
     other_settings = Settings(jwt_secret="different-secret")
@@ -108,8 +100,7 @@ def test_decode_access_token_rejects_invalid_signature() -> None:
 
 
 @pytest.mark.asyncio
-n@pytest.mark.integration
-
+@pytest.mark.integration
 async def test_exchange_code_for_tokens_posts_expected_payload() -> None:
     settings = Settings()
 
@@ -133,8 +124,7 @@ async def test_exchange_code_for_tokens_posts_expected_payload() -> None:
     assert token_payload["access_token"] == "provider-token"
 
 
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_verify_provider_access_token_with_jwks_oct_key() -> None:
     settings = Settings(authentik_audience="headquarter-web", authentik_issuer="https://authentik.local/")
     shared_secret = b"shared-secret-123"
@@ -168,35 +158,8 @@ def test_verify_provider_access_token_with_jwks_oct_key() -> None:
     assert claims["sub"] == "authentik-user"
 
 
-TEST_DATABASE_URL = build_database_url(
-    user="headquarter",
-    password="headquarter",
-    host="localhost",
-    port=5432,
-    database="headquarter",
-)
-
-
-@pytest_asyncio.fixture
-async def db_session() -> AsyncSession:
-    engine = create_async_engine(TEST_DATABASE_URL)
-    session_factory = async_sessionmaker(engine, expire_on_commit=False)
-
-    async with engine.begin() as connection:
-        await connection.run_sync(Base.metadata.create_all)
-
-    async with session_factory() as session:
-        await session.execute(text("TRUNCATE TABLE refresh_tokens, users RESTART IDENTITY CASCADE"))
-        await session.commit()
-        yield session
-        await session.rollback()
-
-    await engine.dispose()
-
-
 @pytest.mark.asyncio
-n@pytest.mark.integration
-
+@pytest.mark.integration
 async def test_refresh_store_create_rotate_and_revoke(db_session: AsyncSession) -> None:
     user = User(email="dev-auth@headquarter.local", name="Dev Auth", authentik_id="auth-dev", avatar_url=None)
     db_session.add(user)
diff --git a/apps/api/tests/integration/test_models.py b/apps/api/tests/integration/test_models.py
index 14fd97b..02bd377 100644
--- a/apps/api/tests/integration/test_models.py
+++ b/apps/api/tests/integration/test_models.py
@@ -1,11 +1,6 @@
-from collections.abc import AsyncIterator
-
 import pytest
-import pytest_asyncio
-from sqlalchemy import text
-from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
+from sqlalchemy.ext.asyncio import AsyncSession
 
-from src.config import build_database_url
 from src.models import Base
 from src.models.base import TimestampMixin, UUIDPrimaryKeyMixin
 from src.models.git_repository import GitRepository
@@ -16,55 +11,12 @@ from src.models.user import User
 from src.models.user_config import UserConfig
 
 
-TEST_DATABASE_URL = build_database_url(
-    user="headquarter",
-    password="headquarter",
-    host="localhost",
-    port=5432,
-    database="headquarter",
-)
-
-
-@pytest_asyncio.fixture
-async def db_session() -> AsyncIterator[AsyncSession]:
-    engine = create_async_engine(TEST_DATABASE_URL)
-    session_factory = async_sessionmaker(engine, expire_on_commit=False)
-
-    async with session_factory() as session:
-        table_rows = await session.execute(
-            text(
-                "SELECT tablename FROM pg_tables "
-                "WHERE schemaname = 'public' "
-                "AND tablename = ANY(:table_names)"
-            ),
-            {
-                "table_names": [
-                    "refresh_tokens",
-                    "user_configs",
-                    "git_repositories",
-                    "projects",
-                    "ssh_keys",
-                    "users",
-                ]
-            },
-        )
-        existing_tables = [row[0] for row in table_rows]
-        if existing_tables:
-            await session.execute(text(f"TRUNCATE TABLE {', '.join(existing_tables)} RESTART IDENTITY CASCADE"))
-        await session.commit()
-        yield session
-        await session.rollback()
-
-    await engine.dispose()
-
-
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_base_metadata_collects_declared_tables() -> None:
     assert isinstance(Base.metadata.tables, dict)
 
 
-n@pytest.mark.integration
+@pytest.mark.integration
 
 def test_shared_mixins_define_expected_columns() -> None:
     assert "id" in UUIDPrimaryKeyMixin.__dict__
@@ -72,7 +24,7 @@ def test_shared_mixins_define_expected_columns() -> None:
     assert "updated_at" in TimestampMixin.__dict__
 
 
-n@pytest.mark.integration
+@pytest.mark.integration
 
 def test_expected_tables_are_registered() -> None:
     assert set(Base.metadata.tables) == {
@@ -85,7 +37,7 @@ def test_expected_tables_are_registered() -> None:
     }
 
 
-n@pytest.mark.integration
+@pytest.mark.integration
 
 def test_user_table_has_required_columns() -> None:
     columns = User.__table__.columns
@@ -104,7 +56,7 @@ def test_user_table_has_required_columns() -> None:
     assert columns["avatar_url"].nullable is True
 
 
-n@pytest.mark.integration
+@pytest.mark.integration
 
 def test_project_relationships_point_to_owner_and_default_ssh_key() -> None:
     owner_fk = next(iter(Project.__table__.c.owner_id.foreign_keys))
@@ -116,7 +68,7 @@ def test_project_relationships_point_to_owner_and_default_ssh_key() -> None:
     assert Project.default_ssh_key.property.mapper.class_ is SSHKey
 
 
-n@pytest.mark.integration
+@pytest.mark.integration
 
 def test_repository_and_user_config_relationships_are_registered() -> None:
     project_fk = next(iter(GitRepository.__table__.c.project_id.foreign_keys))
@@ -131,7 +83,7 @@ def test_repository_and_user_config_relationships_are_registered() -> None:
     assert UserConfig.user.property.mapper.class_ is User
 
 
-n@pytest.mark.integration
+@pytest.mark.integration
 
 def test_refresh_token_table_has_required_columns_and_relationships() -> None:
     columns = RefreshToken.__table__.columns
@@ -154,7 +106,7 @@ def test_refresh_token_table_has_required_columns_and_relationships() -> None:
 
 
 @pytest.mark.asyncio
-n@pytest.mark.integration
+@pytest.mark.integration
 
 async def test_async_session_can_insert_and_load_user(db_session: AsyncSession) -> None:
     user = User(email="dev@headquarter.local", name="Dev User", authentik_id="dev-user", avatar_url=None)
diff --git a/apps/api/tests/integration/test_projects_api.py b/apps/api/tests/integration/test_projects_api.py
index c5ce934..1a884e7 100644
--- a/apps/api/tests/integration/test_projects_api.py
+++ b/apps/api/tests/integration/test_projects_api.py
@@ -2,7 +2,6 @@ import uuid
 from datetime import UTC, datetime, timedelta
 import asyncio
 
-from fastapi.testclient import TestClient
 import pytest
 from sqlalchemy import text
 from sqlalchemy.ext.asyncio import create_async_engine, async_sessionmaker
@@ -14,18 +13,6 @@ from src.models.project import Project
 from src.models.user import User
 
 
-@pytest.fixture(autouse=True)
-def configure_local_database(monkeypatch) -> None:
-    local_url = build_database_url(
-        user="headquarter",
-        password="headquarter",
-        host="localhost",
-        port=5432,
-        database="headquarter",
-    )
-    monkeypatch.setenv("DATABASE_URL", local_url)
-
-
 def _prepare_test_db() -> None:
     async def _run() -> None:
         engine = create_async_engine(
@@ -132,8 +119,7 @@ def _insert_project(project_id: str, owner_id: str, name: str = "Test Project")
     asyncio.run(_run())
 
 
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_create_project_requires_authentication() -> None:
     _prepare_test_db()
     app = _load_app()
@@ -144,8 +130,7 @@ def test_create_project_requires_authentication() -> None:
     assert response.status_code == 401
 
 
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_create_project_successfully() -> None:
     _prepare_test_db()
     user_id = "11111111-1111-1111-1111-111111111111"
@@ -165,8 +150,7 @@ def test_create_project_successfully() -> None:
     assert "id" in data
 
 
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_list_projects_returns_only_owned_projects() -> None:
     _prepare_test_db()
     user1_id = "11111111-1111-1111-1111-111111111111"
@@ -188,8 +172,7 @@ def test_list_projects_returns_only_owned_projects() -> None:
     assert data[0]["name"] == "User1 Project"
 
 
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_update_project_requires_ownership() -> None:
     _prepare_test_db()
     owner_id = "11111111-1111-1111-1111-111111111111"
@@ -208,8 +191,7 @@ def test_update_project_requires_ownership() -> None:
     assert response.status_code == 403
 
 
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_update_project_successfully() -> None:
     _prepare_test_db()
     owner_id = "11111111-1111-1111-1111-111111111111"
@@ -228,8 +210,7 @@ def test_update_project_successfully() -> None:
     assert data["name"] == "Updated Name"
 
 
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_delete_project_requires_ownership() -> None:
     _prepare_test_db()
     owner_id = "11111111-1111-1111-1111-111111111111"
@@ -248,8 +229,7 @@ def test_delete_project_requires_ownership() -> None:
     assert response.status_code == 403
 
 
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_delete_project_successfully() -> None:
     _prepare_test_db()
     owner_id = "11111111-1111-1111-1111-111111111111"
@@ -266,8 +246,7 @@ def test_delete_project_successfully() -> None:
     assert response.status_code == 204
 
 
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_set_default_ssh_key_requires_ownership() -> None:
     _prepare_test_db()
     owner_id = "11111111-1111-1111-1111-111111111111"
diff --git a/apps/api/tests/integration/test_seed.py b/apps/api/tests/integration/test_seed.py
index a21eedf..46366f7 100644
--- a/apps/api/tests/integration/test_seed.py
+++ b/apps/api/tests/integration/test_seed.py
@@ -1,41 +1,11 @@
-from collections.abc import AsyncIterator
-
 import pytest
-import pytest_asyncio
-from sqlalchemy import select, text
-from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
 
-from src.config import build_database_url
 from src.models.user import User
 from src.scripts.seed import build_seed_user, seed_database
 
-
-TEST_DATABASE_URL = build_database_url(
-    user="headquarter",
-    password="headquarter",
-    host="localhost",
-    port=5432,
-    database="headquarter",
-)
-
-
-@pytest_asyncio.fixture
-async def db_session() -> AsyncIterator[AsyncSession]:
-    engine = create_async_engine(TEST_DATABASE_URL)
-    session_factory = async_sessionmaker(engine, expire_on_commit=False)
-
-    async with session_factory() as session:
-        await session.execute(text("TRUNCATE TABLE git_repositories, projects, users RESTART IDENTITY CASCADE"))
-        await session.commit()
-        yield session
-        await session.execute(text("TRUNCATE TABLE git_repositories, projects, users RESTART IDENTITY CASCADE"))
-        await session.commit()
-
-    await engine.dispose()
-
-
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_build_seed_user_returns_deterministic_payload() -> None:
     payload = build_seed_user()
 
@@ -48,8 +18,7 @@ def test_build_seed_user_returns_deterministic_payload() -> None:
 
 
 @pytest.mark.asyncio
-n@pytest.mark.integration
-
+@pytest.mark.integration
 async def test_seed_database_creates_development_user(db_session: AsyncSession) -> None:
     await seed_database(db_session)
 
diff --git a/apps/api/tests/integration/test_ssh_keys_api.py b/apps/api/tests/integration/test_ssh_keys_api.py
index 781acf0..b4ce820 100644
--- a/apps/api/tests/integration/test_ssh_keys_api.py
+++ b/apps/api/tests/integration/test_ssh_keys_api.py
@@ -11,16 +11,14 @@ async def async_client():
 
 
 @pytest.mark.asyncio
-n@pytest.mark.integration
-
+@pytest.mark.integration
 async def test_create_ssh_key_requires_authentication(async_client: AsyncClient) -> None:
     response = await async_client.post("/ssh-keys", json={"name": "test-key"})
     assert response.status_code == 401
 
 
 @pytest.mark.asyncio
-n@pytest.mark.integration
-
+@pytest.mark.integration
 async def test_list_ssh_keys_requires_authentication(async_client: AsyncClient) -> None:
     response = await async_client.get("/ssh-keys")
     assert response.status_code == 401
diff --git a/apps/api/tests/integration/test_users_api.py b/apps/api/tests/integration/test_users_api.py
index 7ec2350..2244aa2 100644
--- a/apps/api/tests/integration/test_users_api.py
+++ b/apps/api/tests/integration/test_users_api.py
@@ -14,18 +14,6 @@ from src.models import Base
 from src.models.user import User
 
 
-@pytest.fixture(autouse=True)
-def configure_local_database(monkeypatch) -> None:
-    local_url = build_database_url(
-        user="headquarter",
-        password="headquarter",
-        host="localhost",
-        port=5432,
-        database="headquarter",
-    )
-    monkeypatch.setenv("DATABASE_URL", local_url)
-
-
 def _prepare_users_test_db() -> None:
     async def _run() -> None:
         engine = create_async_engine(
@@ -99,8 +87,7 @@ def _create_auth_cookie(user_id: str) -> str:
     )
 
 
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_get_profile_returns_401_without_cookie() -> None:
     _prepare_users_test_db()
     app = _load_app()
@@ -111,8 +98,7 @@ def test_get_profile_returns_401_without_cookie() -> None:
     assert response.status_code == 401
 
 
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_get_profile_returns_user_data() -> None:
     _prepare_users_test_db()
     user_id = "7f4b7ad8-c4ce-4d1b-8c83-7ce0f4f66dfb"
@@ -130,8 +116,7 @@ def test_get_profile_returns_user_data() -> None:
     assert data["avatar_url"] is None
 
 
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_update_profile_changes_name_and_email() -> None:
     _prepare_users_test_db()
     user_id = "7f4b7ad8-c4ce-4d1b-8c83-7ce0f4f66dfb"
@@ -148,8 +133,7 @@ def test_update_profile_changes_name_and_email() -> None:
     assert data["email"] == "updated@headquarter.local"
 
 
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_update_profile_rejects_empty_name() -> None:
     _prepare_users_test_db()
     user_id = "7f4b7ad8-c4ce-4d1b-8c83-7ce0f4f66dfb"
@@ -163,8 +147,7 @@ def test_update_profile_rejects_empty_name() -> None:
     assert response.status_code == 400
 
 
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_update_profile_rejects_invalid_email() -> None:
     _prepare_users_test_db()
     user_id = "7f4b7ad8-c4ce-4d1b-8c83-7ce0f4f66dfb"
@@ -178,8 +161,7 @@ def test_update_profile_rejects_invalid_email() -> None:
     assert response.status_code == 400
 
 
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_upload_avatar_updates_avatar_url() -> None:
     _prepare_users_test_db()
     user_id = "7f4b7ad8-c4ce-4d1b-8c83-7ce0f4f66dfb"
@@ -202,8 +184,7 @@ def test_upload_avatar_updates_avatar_url() -> None:
     assert data["avatar_url"].startswith("/uploads/avatars/")
 
 
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_upload_avatar_rejects_invalid_file_type() -> None:
     _prepare_users_test_db()
     user_id = "7f4b7ad8-c4ce-4d1b-8c83-7ce0f4f66dfb"
@@ -221,8 +202,7 @@ def test_upload_avatar_rejects_invalid_file_type() -> None:
     assert response.status_code == 400
 
 
-n@pytest.mark.integration
-
+@pytest.mark.integration
 def test_upload_avatar_rejects_oversized_file() -> None:
     _prepare_users_test_db()
     user_id = "7f4b7ad8-c4ce-4d1b-8c83-7ce0f4f66dfb"
diff --git a/apps/api/tests/unit/test_config.py b/apps/api/tests/unit/test_config.py
index 90dff32..bd1f30f 100644
--- a/apps/api/tests/unit/test_config.py
+++ b/apps/api/tests/unit/test_config.py
@@ -4,7 +4,7 @@ from src.config import Settings
 from src.database import build_database_url
 
 
-n@pytest.mark.unit
+@pytest.mark.unit
 
 def test_settings_default_database_url_uses_asyncpg() -> None:
     settings = Settings()
@@ -12,7 +12,7 @@ def test_settings_default_database_url_uses_asyncpg() -> None:
     assert settings.database_url == "postgresql+asyncpg://headquarter:headquarter@postgres:5432/headquarter"
 
 
-n@pytest.mark.unit
+@pytest.mark.unit
 
 def test_build_database_url_uses_explicit_values() -> None:
     url = build_database_url(
@@ -26,7 +26,7 @@ def test_build_database_url_uses_explicit_values() -> None:
     assert url == "postgresql+asyncpg://user:pass@db:5433/app"
 
 
-n@pytest.mark.unit
+@pytest.mark.unit
 
 def test_settings_prefers_explicit_database_url_env(monkeypatch) -> None:
     monkeypatch.setenv("DATABASE_URL", "postgresql+asyncpg://local:local@localhost:5432/localdb")
@@ -36,7 +36,7 @@ def test_settings_prefers_explicit_database_url_env(monkeypatch) -> None:
     assert settings.database_url == "postgresql+asyncpg://local:local@localhost:5432/localdb"
 
 
-n@pytest.mark.unit
+@pytest.mark.unit
 
 def test_auth_settings_have_secure_defaults() -> None:
     settings = Settings()
@@ -51,7 +51,7 @@ def test_auth_settings_have_secure_defaults() -> None:
     assert settings.refresh_token_ttl_days == 7
 
 
-n@pytest.mark.unit
+@pytest.mark.unit
 
 def test_cookie_policy_is_strict_in_production(monkeypatch) -> None:
     monkeypatch.setenv("APP_ENV", "production")
@@ -62,7 +62,7 @@ def test_cookie_policy_is_strict_in_production(monkeypatch) -> None:
     assert settings.cookie_samesite == "strict"
 
 
-n@pytest.mark.unit
+@pytest.mark.unit
 
 def test_cookie_policy_is_relaxed_for_local_dev(monkeypatch) -> None:
     monkeypatch.setenv("APP_ENV", "development")
diff --git a/apps/api/tests/unit/test_migration_metadata.py b/apps/api/tests/unit/test_migration_metadata.py
index d7d36bd..835e80e 100644
--- a/apps/api/tests/unit/test_migration_metadata.py
+++ b/apps/api/tests/unit/test_migration_metadata.py
@@ -4,7 +4,7 @@ from importlib.util import module_from_spec, spec_from_file_location
 from pathlib import Path
 
 
-n@pytest.mark.unit
+@pytest.mark.unit
 
 def test_initial_migration_defines_all_core_tables() -> None:
     migration_path = Path(__file__).resolve().parents[1] / "alembic" / "versions" / "0001_initial_schema.py"
@@ -25,7 +25,7 @@ def test_initial_migration_defines_all_core_tables() -> None:
     ]
 
 
-n@pytest.mark.unit
+@pytest.mark.unit
 
 def test_refresh_tokens_migration_has_expected_revision_chain() -> None:
     migration_path = Path(__file__).resolve().parents[1] / "alembic" / "versions" / "0002_refresh_tokens.py"