fix: update tests to match current algorithm — thresholds, _best_climb tuples, ComputedMetrics fields

tests/test_edit_server.py

@@ -73,25 +73,25 @@ class TestHysteresisEndpoint:
         assert "elevation_loss_m" in body
         assert body["elevation_gain_m"] > 0
         assert body["altitude_source"] == "barometric"
-        assert body["threshold_m"] == pytest.approx(1.0)
+        assert body["threshold_m"] == pytest.approx(1.5)
 
-    def test_gps_source_uses_3m_threshold(self, tmp_path):
+    def test_gps_source_uses_2m_threshold(self, tmp_path):
         elevations = [float(i) for i in range(1801)]
         _make_activity(tmp_path, self.AID, elevations, altitude_source="gps")
 
         r = CLIENT.post(f"/api/activity/{self.AID}/recalculate-elevation/hysteresis")
 
         assert r.status_code == 200
-        assert r.json()["threshold_m"] == pytest.approx(3.0)
+        assert r.json()["threshold_m"] == pytest.approx(2.0)
 
-    def test_unknown_source_falls_back_to_gps_threshold(self, tmp_path):
+    def test_unknown_source_uses_1_5m_threshold(self, tmp_path):
         elevations = [float(i) for i in range(1801)]
         _make_activity(tmp_path, self.AID, elevations, altitude_source="unknown")
 
         r = CLIENT.post(f"/api/activity/{self.AID}/recalculate-elevation/hysteresis")
 
         assert r.status_code == 200
-        assert r.json()["threshold_m"] == pytest.approx(3.0)
+        assert r.json()["threshold_m"] == pytest.approx(1.5)
 
     def test_uses_original_elevation_when_dem_backup_present(self, tmp_path):
         original = [float(i) for i in range(1801)]   # real 1800 m climb