feat(reports): leftover-map item coordinates on leftover-map graphic leftover-map criterion markers independently of leftover-map post ξ markers (v2.92.0)

tests/test_leftover_map_report_criterion_item_coordinate_contract.py

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+"""Executable contract for report-graphic criterion item-coordinate captions."""
+
+from pathlib import Path
+import re
+
+
+ROOT = Path(__file__).resolve().parents[1]
+LAYOUT_SOURCE = ROOT / "frontend" / "src" / "leftoverMapPlotLayout.ts"
+PLOT_SOURCE = ROOT / "frontend" / "src" / "components" / "LeftoverMapPlot.tsx"
+
+
+def test_report_graphic_criterion_names_persisted_item_coordinates() -> None:
+    """Report criterion markers use distinct ζ copy while comparison markers retain generic copy."""
+    layout_source = LAYOUT_SOURCE.read_text(encoding="utf-8")
+    plot_source = PLOT_SOURCE.read_text(encoding="utf-8")
+
+    assert 'LEFTOVER_MAP_PLOT_CRITERION =\n  "leftover-map criterion {label} at ζ {item}";' in layout_source
+    assert "leftoverMapPlotCriterionBadge" in layout_source
+    assert "leftoverMapPlotCriterionBadge" in plot_source
+    assert re.search(
+        r'variant\s*===\s*"comparison".*?Criterion ζ.*?leftoverMapPlotCriterionBadge',
+        plot_source,
+        re.DOTALL,
+    )
+
+
+def test_criterion_badge_consumes_item_axes_fail_closed_without_person_inference() -> None:
+    """ζ comes only from a finite persisted item coordinate pair; zero remains representable."""
+    layout_source = LAYOUT_SOURCE.read_text(encoding="utf-8")
+    helper = re.search(
+        r"export function leftoverMapPlotCriterionBadge\(.*?\n}\n",
+        layout_source,
+        re.DOTALL,
+    )
+    assert helper is not None
+    helper_source = helper.group(0)
+
+    assert "formatLeftoverMapCoordinatePair(axis1, axis2)" in helper_source
+    assert "item === null" in helper_source
+    assert "return null" in helper_source
+    assert "leftover_map_person_axis" not in helper_source
+    assert "Math.sqrt" not in helper_source
+    assert "Math.abs" not in helper_source