生成无重叠的 0.2 mm Xynova 笔画图案

在打印页毫米坐标中筛选候选笔画，更新双 UV 产物。38 项测试通过；SVG 检查无交叠。

sensors/finger-xynova/r01/design.yaml

@@ -92,9 +92,8 @@ texture_patch_views:
 # One mode: a capsule of `width` swept `length`, rotated per cell, sized from the camera
 # cell's print-page footprint so a cell the projection stretches gets a proportionally
 # larger mark. `--seed` / `--min-cell-pixels` / `--camera-width-fraction` override per run.
-# Field reference: the inline comments below. These defaults are an image-space experiment,
-# not a print master: `width_min_mm: 0.11` is below the demonstrated 0.2 mm dot (see
-# docs/probe-findings.md). The resolved values are written to _stroke_pattern_params.json and
+# Field reference: the inline comments below. This is an image-space experiment, not a
+# print master. The resolved values are written to _stroke_pattern_params.json and
 # recorded in the stroke-texture manifest, which is what makes a run reproducible.
 stroke_pattern:
   seed: 7                    # per-cell offset and angle; reproducible
@@ -102,11 +101,13 @@ stroke_pattern:
   jitter_fraction: 0.66      # mark offset range inside its cell; 0 pins to the centre
   angle_span_deg: 180.0      # rotation range; 0 makes every stroke parallel
   width_fraction: 0.50       # width = clamp(cell footprint x this, width_min_mm, width_max_mm)
-  width_min_mm: 0.11
+  width_min_mm: 0.20
   width_max_mm: 0.28
   length_ratio: 2.4          # length = ratio x width
   coverage_cap: 0.45         # skip a mark that would exceed this local fill
   neighbourhood_mm: 0.5      # radius of the local-fill neighbourhood
+  clearance_mm: 0.03         # minimum edge-to-edge spacing on the vector page
+  candidate_count: 12        # try alternatives before skipping a cell
 
 # Advisory only: reports a verdict, never blocks generation or changes exit codes.
 # Millimetres are measured on the vector page declared above.