feat: unify backtest table controls and add refresh action

backend/tests/test_backtest_list_sort.py

@@ -0,0 +1,40 @@
+"""List filtering and ordering happen before pagination, without platform execution."""
+
+from tests.test_backtests import PREFIX, candidate, setup, start
+
+
+async def test_list_sorting(app, logged_in):
+    await setup(app)
+    for name in ["sort-C", "sort-A", "sort-B", "unrelated"]:
+        body = {"name": name, "source": {"kind": "test"}, "candidates": [candidate()]}
+        assert (await logged_in.post(f"{PREFIX}/drafts", json=body)).status_code == 201
+        preview = await logged_in.post(f"{PREFIX}/previews", json={"inline": body})
+        assert preview.status_code == 201
+        await start(logged_in, preview.json(), key=name)
+    for path in ["runs", "drafts"]:
+        for direction, expected in [
+            ("asc", ["sort-A", "sort-B", "sort-C"]),
+            ("desc", ["sort-C", "sort-B", "sort-A"]),
+        ]:
+            names = []
+            for offset in range(3):
+                r = await logged_in.get(
+                    f"{PREFIX}/{path}",
+                    params={
+                        "q": "sort-",
+                        "sort": "name",
+                        "direction": direction,
+                        "limit": 1,
+                        "offset": offset,
+                    },
+                )
+                assert r.status_code == 200
+                assert r.json()["total"] == 3
+                names.append(r.json()["items"][0]["name"])
+            assert names == expected
+        for params in [{"sort": "unknown"}, {"direction": "unknown"}]:
+            assert (await logged_in.get(f"{PREFIX}/{path}", params=params)).status_code == 422
+        assert (await logged_in.get(f"{PREFIX}/{path}", params={"q": "%"})).json()["total"] == 0
+    assert (await logged_in.get(f"{PREFIX}/runs", params={"q": "sort-", "source": "missing"})).json()[
+        "total"
+    ] == 0