chore: fix all ruff lint warnings (unused imports, unsorted imports, unused vars)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

web/tests/conftest.py

@@ -1,8 +1,6 @@
 """
 Shared test fixtures for the BeanFlows test suite.
 """
-import hashlib
-import hmac
 from datetime import datetime
 from pathlib import Path
 from unittest.mock import AsyncMock, patch
@@ -10,11 +8,9 @@ from unittest.mock import AsyncMock, patch
 import aiosqlite
 import pytest
 
-
 from beanflows import core
 from beanflows.app import create_app
 
-
 SCHEMA_PATH = Path(__file__).parent.parent / "src" / "beanflows" / "migrations" / "schema.sql"
 
 

web/tests/test_analytics.py

@@ -14,7 +14,6 @@ import asyncio
 import duckdb
 import pytest
 
-
 # ── Fixtures ────────────────────────────────────────────────────────────────
 
 

web/tests/test_billing_helpers.py

@@ -7,7 +7,6 @@ from hypothesis import settings as h_settings
 from hypothesis import strategies as st
 
 from beanflows.billing.routes import (
-
     can_access_feature,
     get_billing_customer,
     get_subscription,
@@ -66,7 +65,7 @@ class TestUpsertSubscription:
             status="active",
             provider_subscription_id="sub_same",
         )
-        returned_id = await upsert_subscription(
+        await upsert_subscription(
             user_id=test_user["id"],
             plan="pro",
             status="active",

web/tests/test_billing_routes.py

@@ -11,7 +11,6 @@ from unittest.mock import MagicMock
 
 import pytest
 
-
 CHECKOUT_METHOD = "POST"
 CHECKOUT_PLAN = "starter"
 

web/tests/test_billing_webhooks.py

@@ -6,14 +6,12 @@ import json
 
 import pytest
 from conftest import make_webhook_payload, sign_payload
-
 from hypothesis import HealthCheck, given
 from hypothesis import settings as h_settings
 from hypothesis import strategies as st
 
 from beanflows.billing.routes import get_billing_customer, get_subscription
 
-
 WEBHOOK_PATH = "/billing/webhook/paddle"
 SIG_HEADER = "Paddle-Signature"
 

web/tests/test_roles.py

@@ -5,14 +5,13 @@ and admin route protection.
 import pytest
 from quart import Blueprint
 
+from beanflows import core
 from beanflows.auth.routes import (
     ensure_admin_role,
     grant_role,
     revoke_role,
     role_required,
 )
-from beanflows import core
-
 
 # ════════════════════════════════════════════════════════════
 # grant_role / revoke_role