增加笔画生产尺寸与数量报告

按最终矢量页面汇总每个相机单元的笔画包络，并标出低于 0.2 mm 的数量。
已核对 SVG、清单哈希和 Blender 导出，175 项相关测试通过。

blender/scripts/random_patch_multiview.py

@@ -57,6 +57,8 @@ from camera_grid_stroke import DEFAULT_PARAMS as STROKE_DEFAULT_PARAMS  # noqa:
 from camera_grid_stroke import render_stroke_polygons  # noqa: E402
 from camera_grid_stroke_geometry import capsule_in_cell, projected_stroke_uv  # noqa: E402
 from camera_grid_stroke_optimizer import optimize_angles  # noqa: E402
+from stroke_production_report import REPORT_FILENAME as STROKE_REPORT_FILENAME  # noqa: E402
+from stroke_production_report import write_report as write_stroke_report  # noqa: E402
 from texture_merge import (  # noqa: E402
     MergeConfigError,
     MergePolicy,
@@ -966,6 +968,7 @@ def main() -> int:
 
     # ---- 5. Emit: mask each layout to its owned triangles ---------------------------
     emitted_stats: dict[str, dict[str, Any]] = {}
+    stroke_views = []
     for pair, region_cam, _pattern_cam, uv_layer in resolved:
         pair_id = pair["id"]
         uv_map = pair["uv_map"]
@@ -1191,12 +1194,13 @@ def main() -> int:
                     geometry=filtered,
                 )
             else:
-                render_stroke_polygons(
-                    uv_map, base_layer, [poly for _, _, poly in emitted_patches],
+                stroke_views.append(render_stroke_polygons(
+                    uv_map, base_layer, emitted_patches,
                     texture_width, texture_height,
                     {"width_mm": page_width_mm, "height_mm": page_height_mm},
                     Path(pair["artifacts"]["png"]).with_suffix(""),
-                )
+                    view_id=pair_id,
+                ))
         except Exception as exc:  # noqa: BLE001
             print(
                 f"ERROR: texture generation failed for view {pair_id!r}: {exc}",
@@ -1407,6 +1411,12 @@ def main() -> int:
     _write_ground_truth(truth_path, truth)
     detail(f"  ground truth -> {truth_path}")
 
+    if stroke_params is not None:
+        stroke_report_path = truth_path.parent / STROKE_REPORT_FILENAME
+        write_stroke_report(stroke_report_path, args.job.resolve(), stroke_params,
+                            stroke_views)
+        report(f"stroke production report -> {stroke_report_path}")
+
     # The artifact inventory is owned by the HOST, which is the only side that can verify the
     # files exist and are non-empty. Repeating it here was 11 of the run's lines printed twice.
     detail(f"Completed in {time.time() - start_time:.2f} seconds.")