三维显示与二维共用深度色标，配置名改为 Finger

箭头阈值写入设置；去掉网格告警。三维色标改为立刻采用二维量程（不再 P5/P95 缓变）。选择器显示 Finger。已用 pane UI、shared-scale 与 catalog 单测验证。

apps/studio/tests/test_scene3d_pane_ui.py

@@ -129,6 +129,21 @@ def test_arrow_threshold_round_trips_and_feeds_the_shared_policy(panel):
     assert policy_for_settings(again).flow_on_px == pytest.approx(0.9)
 
 
+def test_depth_legend_follows_the_shared_2d_span_immediately(panel):
+    """The 3D colour-bar numbers are the 2D span, not a lagged GL automatic range."""
+    from orisys_app_shared.scene3d.contracts import FieldDescriptor, RenderStats
+
+    panel.set_descriptor(
+        FieldDescriptor("depth_response", "1", "approximate", False)
+    )
+    panel.set_render_stats(
+        RenderStats(scale_lower=0.0, scale_upper=0.0489, scale_mode="automatic")
+    )
+    panel.set_shared_depth_scale((0.0, 0.029))
+    assert panel.scale_lower_label.text() == "0.000"
+    assert panel.scale_upper_label.text() == "0.029"
+
+
 def test_source_kind_analysis_uses_its_own_label(panel):
     """A stored result is not labelled as live acquisition."""
     panel.set_diagnostics_visible(True)
@@ -241,8 +256,8 @@ def test_the_diagnostics_switch_governs_what_the_pane_explains(panel):
     )
     panel.set_diagnostics_visible(False)
     assert not panel.scale_bar.isHidden()
-    assert panel.scale_lower_label.text() == "0.25"
-    assert panel.scale_upper_label.text() == "2.5"
+    assert panel.scale_lower_label.text() == "0.250"
+    assert panel.scale_upper_label.text() == "2.500"
     assert not panel.scale_lower_label.isHidden()
     assert not panel.scale_upper_label.isHidden()
     assert panel.legend_label.isHidden()

apps/studio/tests/test_scene3d_view.py

@@ -1018,7 +1018,7 @@ def test_the_legend_shows_the_range_the_shader_actually_used(qt_app):
             )
         )
         legend = panel.legend_label.text()
-        assert "0.25" in legend and "7.5" in legend, legend
+        assert "0.250" in legend and "7.500" in legend, legend
         assert t("scene3d.legend_auto") in legend, legend
         assert panel.scale_bar.isVisible() or panel.scale_bar.parent() is not None
         assert "flow_magnitude" not in legend

apps/studio/tests/test_sensor_catalog_root.py

@@ -51,13 +51,13 @@ EXPECTED_SHIPPED: dict[str, tuple[str, str, str, bool, str]] = {
 }
 
 #: What an operator reads in the picker, one row per shipped bundle: the bundle's name, and
-#: nothing else. ``finger`` declares ``Finger R01`` in its descriptor; the other three have no
+#: nothing else. ``finger`` declares ``Finger`` in its descriptor; the other three have no
 #: descriptor and are named by the folder they live in, as the SDK's built-in table words it.
 #: The origin, the calibration selection and the SDK's ``degraded`` verdict are not rows — they
 #: are read in the dialog's details surface, which sits under the selector.
 EXPECTED_ROWS: dict[str, str] = {
     "box": "Box",
-    "finger": "Finger R01",
+    "finger": "Finger",
     "finger-mems": "Finger (MEMS)",
     "mini": "Mini",
 }

apps/studio/tests/test_shared_depth_scale.py

@@ -43,12 +43,10 @@ def test_depth_without_a_shared_span_still_measures_the_field() -> None:
     field = _field("depth_response", np.linspace(0.0, 9.0, 16).reshape(4, 4))
     span = _field_scalar_range(
         field,
-        previous=None,
+        previous=(0.0, 2.0),
         shared_depth_scale=None,
     )
-    assert span is not None
-    assert span[0] == 0.0
-    assert span[1] > 1.0
+    assert span == (0.0, 9.0)
 
 
 def test_a_degenerate_shared_span_falls_back_to_the_measurement() -> None: