feat: align 3D digital twin with OZON Track 3 requirements

src/data/criteria.ts

@@ -14,7 +14,7 @@ export const OZON_CRITERIA: OzonCriterion[] = [
     title: 'Classification rules: dimensions, roundness, priority',
     status: 'covered',
     evidence: 'ClassificationPanel shows thresholds, actual values, PASS/FAIL and C priority.',
-    relatedScenarioIds: ['oversized_item', 'round_object', 'boundary_dimensions'],
+    relatedScenarioIds: ['oversized_item', 'round_object', 'c_priority', 'boundary_dimensions'],
     relatedDoc: 'docs/ARCHITECTURE.md',
   },
   {

src/data/demoSteps.ts

@@ -49,10 +49,23 @@ export const DEMO_STEPS: DemoStep[] = [
     relatedCriteria: ['classification-rules', 'geometry-variety', 'physical-routing'],
     presenterPhrase: 'The dimensions fit, but roundness is high, so the system sends it to D for do-upakovka.',
   },
+  {
+    id: 'c-priority-oversized-round',
+    title: 'C priority oversized + round',
+    scenarioId: 'c_priority',
+    preferredAction: 'step',
+    focusArea: 'classification',
+    explanation: 'Item is both oversized and round; dimensions are checked first so category is C, not D.',
+    whatToWatch: 'DIM FAIL, K high, category C, ROUTE_TO_C active, route D inactive.',
+    juryValue: 'Proves C-priority rule for Track 3.',
+    relatedCriteria: ['classification-rules', 'boundary-cases', 'physical-routing'],
+    presenterPhrase: 'Even though the item is round, dimensions fail first, so we route only to C.',
+  },
   {
     id: 'boundary-dimensions',
     title: 'Boundary dimensions',
     scenarioId: 'boundary_dimensions',
+
     preferredAction: 'step',
     focusArea: 'classification',
     explanation: 'Items at the edge of the allowed envelope prove the rule implementation is stable.',

src/data/items.ts

@@ -91,6 +91,15 @@ export const ITEMS: Item[] = [
     shape: 'boundary box',
     expectedCategory: 'B',
   },
+  {
+    id: 'SKU-011',
+    name: 'Oversized round 500x300x300',
+    dimensionsMm: { width: 500, depth: 300, height: 300 },
+    roundness: 0.93,
+    confidence: 0.88,
+    shape: 'oversized round cylinder',
+    expectedCategory: 'C',
+  },
 ];
 
 export function getItem(id: string): Item {

src/data/scenarios.test.ts

@@ -6,6 +6,7 @@ const expectedIds: ScenarioId[] = [
   'normal_flow',
   'oversized_item',
   'round_object',
+  'c_priority',
   'boundary_dimensions',
   'close_items',
   'low_confidence',

src/data/scenarios.ts

@@ -29,6 +29,15 @@ export const SCENARIOS: Scenario[] = [
     demonstrates: 'Rule-based shape issue routing без реального ML на MVP-этапе.',
     items: ['SKU-006', 'SKU-007', 'SKU-008'].map(getItem),
   },
+  {
+    id: 'c_priority',
+    name: 'C priority (oversized + round)',
+    description: 'Товар одновременно негабаритный и круглый — приоритет габаритов, маршрут только в C.',
+    goal: 'Доказать, что dimensions check идёт раньше roundness: категория C, не D.',
+    expectedCategorySummary: 'C only (D not activated)',
+    demonstrates: 'C-priority: oversized + round → ROUTE_TO_C, route D остаётся неактивным.',
+    items: ['SKU-011'].map(getItem),
+  },
   {
     id: 'boundary_dimensions',
     name: 'Boundary dimensions',