为二维与三维深度色标增加每帧自适应选项。

默认仍锁定本会话首帧，勾选后两视图按当前帧有效深度共用同一范围。已用深度色标与显示设置测试验证。

apps/studio/tests/test_ui_smoke.py

@@ -920,11 +920,6 @@ def test_depth_view_reports_missing_data_and_fixes_its_scale(make_window):
     window._on_run_tick()
     latched = window.arrow_panel.depth_scale_label.text()
     assert latched
-    shared = window.mesh3d_panel._shared_depth_scale
-    assert shared == window._depth_range_value
-    assert shared is not None
-    assert shared[0] == pytest.approx(0.0)
-    assert shared[1] == pytest.approx(1.0)
 
     window._last_rendered_view_mode = None
     stuck.emit(ui_check._fake_packet(2, depth=np.linspace(0.0, 9.0, 64).reshape(8, 8)))
@@ -932,12 +927,61 @@ def test_depth_view_reports_missing_data_and_fixes_its_scale(make_window):
     assert window.arrow_panel.depth_scale_label.text() == latched, (
         "the depth colour scale re-fitted on every frame"
     )
-    assert window.mesh3d_panel._shared_depth_scale == shared, (
-        "the 3D depth colour span must stay locked to the 2D latch"
+    assert window.mesh3d_panel.shared_depth_scale() == window._depth_range(), (
+        "the 3D depth colour scale is not the 2D canvas's latched span"
     )
     _finish(window, stuck)
 
 
+def test_adaptive_depth_scale_refits_both_views(make_window):
+    """The setting restores the per-frame colour bar, and both views share it."""
+    import numpy as np
+    from orisys_app_shared.scene3d.contracts import DisplaySettings
+
+    window, stuck = _running_window(make_window)
+    window.arrow_panel.set_view_mode("depth")
+    window.mesh3d_panel.set_display_settings(
+        DisplaySettings(depth_scale_adaptive=True)
+    )
+
+    window._last_rendered_view_mode = None
+    stuck.emit(ui_check._fake_packet(1, depth=np.linspace(0.0, 1.0, 64).reshape(8, 8)))
+    window._on_run_tick()
+    from orisys_app_shared.i18n import t
+
+    first = window.arrow_panel.depth_scale_label.text()
+    assert window.mesh3d_panel.shared_depth_scale() == (0.0, 1.0)
+    assert "1.000" in first
+    assert window.arrow_panel.depth_scale_label.toolTip() == t(
+        "panels.depth_scale_tip_adaptive"
+    )
+
+    window._last_rendered_view_mode = None
+    stuck.emit(ui_check._fake_packet(2, depth=np.linspace(0.0, 9.0, 64).reshape(8, 8)))
+    window._on_run_tick()
+    assert window.arrow_panel.depth_scale_label.text() != first, (
+        "the adaptive colour bar stayed on the first frame"
+    )
+    assert window.mesh3d_panel.shared_depth_scale() == (0.0, 9.0)
+    assert window._depth_range_value is None
+
+    window.mesh3d_panel.set_display_settings(DisplaySettings())
+    window._last_rendered_view_mode = None
+    stuck.emit(ui_check._fake_packet(3, depth=np.linspace(0.0, 4.0, 64).reshape(8, 8)))
+    window._on_run_tick()
+    latched = window.mesh3d_panel.shared_depth_scale()
+    assert latched == (0.0, 4.0)
+
+    window._last_rendered_view_mode = None
+    stuck.emit(ui_check._fake_packet(4, depth=np.linspace(0.0, 8.0, 64).reshape(8, 8)))
+    window._on_run_tick()
+    assert window.mesh3d_panel.shared_depth_scale() == latched, (
+        "leaving adaptive did not return to the session latch"
+    )
+    assert window.arrow_panel.depth_scale_label.toolTip() == t("panels.depth_scale_tip")
+    _finish(window, stuck)
+
+
 def test_the_domain_boundary_is_latched_for_the_session(make_window):
     """The 2D boundary is the device's island: rebuilt per frame, decided once.