Add Gitea CI workflow; fix ruff lint issues

tests/test_acceptance.py

@@ -8,7 +8,8 @@ The `seeded_client` fixture pre-populates:
              BrandX 002 (id=3, retired)
 """
 
-import pytest
+import io
+import json as _json
 
 
 # ------------------------------------------------------------------ #
@@ -169,7 +170,7 @@ def test_edit_details_percentage_valid(seeded_client):
     data = _json.loads(seeded_client.get("/export/all.json").data)
     bat = next(b for b in data["batteries"] if b["id"] == 1)
     assert bat["battery_percentage"] == 100
-    assert any(l["battery_id"] == 1 and l["source"] == "manual" for l in data["pct_logs"])
+    assert any(entry["battery_id"] == 1 and entry["source"] == "manual" for entry in data["pct_logs"])
 
 
 def test_assign_battery(seeded_client):
@@ -699,9 +700,6 @@ def test_bulk_install_filters_by_size(client):
 # Import
 # ------------------------------------------------------------------ #
 
-import io
-import json as _json
-
 
 def _make_import_payload(devices=None, batteries=None,
                          charge_logs=None, capacity_tests=None, pct_logs=None):

tests/test_coverage.py

@@ -6,7 +6,6 @@ ha_client/ha_poller branches, export/import edge cases, bulk actions.
 
 import io
 import json
-import pytest
 from unittest.mock import patch, MagicMock
 
 

tests/test_ha_integration.py

@@ -484,7 +484,8 @@ def test_poll_skips_update_when_percentage_unchanged(ha_app, ha_client_f):
     engine = create_engine(ha_app.config["SQLALCHEMY_DATABASE_URI"])
     s = sessionmaker(bind=engine)()
     s.get(Battery, 1).battery_percentage = 50
-    s.commit(); s.close()
+    s.commit()
+    s.close()
 
     from ha_client import HomeAssistantClient
     from ha_poller import HaPoller