PCEXTRACTSECTION: Extract Section Lines dialog

Picking the cloud opens the Extract Section Lines from Point Cloud
dialog with the reference's settings and defaults: entire cross section
or perimeter only, maximum points to process (slider and field, with
the estimated time), output layer (Use Current or a layer), colour,
lines or 2D polylines with their width, minimum line length and connect
lines tolerance (each measurable by two points on screen), collinear
angle tolerance (0-10) and Preview result. Create extracts; with the
preview it asks [Accept/Settings/Undo] and Settings reopens the dialog.
The settings are kept for the session. Automation action pc_section.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

locales/ru-RU/opencadstudio.ftl

@@ -4000,6 +4000,27 @@ insert =
     .pc-search = Search
     .pc-collapse-all = Collapse all
     .pc-expand-all = Expand all
+    .pcm-scheme-name = Scheme name
+    .pcs-title = Extract Section Lines from Point Cloud
+    .pcs-extract = Extract
+    .pcs-entire = Entire cross section
+    .pcs-perimeter = Perimeter only
+    .pcs-max-points = Maximum points to process
+    .pcs-faster = Faster
+    .pcs-accurate = More accurate
+    .pcs-time = Estimated time: __ocs_fmt_0__ min
+    .pcs-output = Output geometry
+    .pcs-polylines = 2D Polylines
+    .pcs-width = Polyline width
+    .pcs-tolerances = Extraction tolerances
+    .pcs-min-length = Minimum line length
+    .pcs-connect = Connect lines tolerance
+    .pcs-angle = Collinear angle tolerance
+    .pcs-preview = Preview result
+    .pcs-use-current = Use Current
+    .pcs-positive = Requires a positive number.
+    .pcs-positive-int = Requires a positive integer.
+    .pcs-help = Traces the points on the kept side of a live section as lines.
 model =
     .create = Создание
     .boolean = Булевы операции