autocal layout first design

apps/studio/config/locales/en_US.json

@@ -33,6 +33,10 @@
     "scene3d_settings": "3D display settings…",
     "show_fps": "Show FPS",
     "show_diagnostics": "Diagnostics",
+    "raw_auto_zero": "Finger raw auto-zero at start",
+    "raw_auto_zero_tip": "Value cards only: estimate an idle bias and deadband after start. Curves, statistics and CSV keep the measured values.",
+    "raw_reestimate": "Re-estimate raw baseline…",
+    "raw_reestimate_tip": "Drop the current display baseline and re-estimate from the next quiet samples (value cards only).",
     "settings": "Settings area",
     "plot_settings": "Plot settings…",
     "rotate_arrows": "Rotate arrows 90°",
@@ -217,6 +221,8 @@
     "selection_empty": "No valid samples in the selection",
     "value_unavailable": "n/a",
     "value_unavailable_tip": "No curve is loaded for {channel}, so it has no value in this unit (raw counts are never shown in its place)",
+    "zero_zone": "zero zone",
+    "zero_zone_tip": "Display deadband after auto baseline; curves, statistics and CSV keep the measured values",
     "unit_toggle": "Switch unit",
     "unit_toggle_tip": "Click to switch the three curves and readouts between newton and raw units",
     "browse_only_tip": "Drag or scroll on the chart to browse history"
@@ -412,6 +418,12 @@
     "field_depth": "Depth response",
     "field_flow": "Optical flow magnitude",
     "field_substituted": "This frame shows {shown}, not the chosen {chosen}.",
+    "flow_arrows": "Surface flow arrows",
+    "flow_arrows_tip": "Draw optical-flow arrows on the sensing surface using the same sample points as the 2D view.",
+    "flow_arrows_unavailable": "This scene package has no UV→scene surface mapping, so flow arrows cannot be drawn.",
+    "contact_arrow": "Contact normal arrow",
+    "contact_arrow_tip": "Draw a yellow local-normal arrow at the contact centre (length from the normal response, capped — not a calibrated force vector).",
+    "contact_arrow_unavailable": "This scene package has no UV→scene surface mapping, so the contact arrow cannot be drawn.",
     "quantity_flow_magnitude": "Optical flow magnitude",
     "quantity_depth_response": "Depth response",
     "mode_surface": "surface colouring",