diff --git a/api-v3/test/unit/f6-1-inspection-planning-hierarchy.test.ts b/api-v3/test/unit/f6-1-inspection-planning-hierarchy.test.ts
new file mode 100644
index 0000000..bef8470
--- /dev/null
+++ b/api-v3/test/unit/f6-1-inspection-planning-hierarchy.test.ts
@@ -0,0 +1,61 @@
+import assert from 'node:assert/strict';
+import { readFileSync } from 'node:fs';
+import { resolve } from 'node:path';
+import test from 'node:test';
+
+function source(path: string): string {
+  return readFileSync(resolve(process.cwd(), path), 'utf8');
+}
+
+test('F6.1 inspection planning exposes Departamento → Área → Yacimiento explicitly', () => {
+  const hierarchy = source('src/inspection-visits/inspection-planning-hierarchy.service.ts');
+  const controller = source('src/inspection-visits/inspection-visits.controller.ts');
+  const createPage = source('../web-v2/src/pages/InspectionVisitCreateF61Page.tsx');
+
+  assert.match(hierarchy, /lower\(type\.code\)='departamento'/);
+  assert.match(hierarchy, /area\.parent_id=\$1::uuid/);
+  assert.match(hierarchy, /lower\(type\.code\)='yacimiento'/);
+  assert.match(hierarchy, /yacimiento\.parent_id=\$1::uuid/);
+  assert.match(controller, /planning-context\/departments/);
+  assert.match(controller, /planning-context\/departments\/:departmentId\/areas/);
+  assert.match(controller, /planning-context\/areas\/:areaId\/yacimientos/);
+  assert.match(createPage, /Departamento → Área → Yacimiento/);
+  assert.match(createPage, /<span>Departamento<\/span>/);
+  assert.match(createPage, /<span>Área<\/span>/);
+  assert.match(createPage, /<span>Yacimiento<\/span>/);
+  assert.doesNotMatch(createPage, /Área \/ Yacimiento/);
+});
+
+test('F6.1 WEB creation freezes Area and uses the selected Yacimiento as physical scope', () => {
+  const dto = source('src/inspection-visits/dto/create-inspection-visit.dto.ts');
+  const scope = source('src/inspection-visits/inspection-planning-scope.ts');
+  const create = source('src/inspection-visits/inspection-planning-create.service.ts');
+  const createPage = source('../web-v2/src/pages/InspectionVisitCreateF61Page.tsx');
+
+  assert.match(dto, /scopeAssetId\?: string/);
+  assert.match(scope, /yacimiento\.parent_id=\$2::uuid/);
+  assert.match(scope, /lower\(type\.code\)='yacimiento'/);
+  assert.match(create, /scopeAssetId,/);
+  assert.match(create, /operationalAreaId: dto\.operationalAreaId/);
+  assert.match(create, /relation\.relation_role='OPERATOR'/);
+  assert.match(create, /relation\.valid_from <= \$3::timestamptz/);
+  assert.match(createPage, /scopeAssetId: yacimientoId/);
+});
+
+test('F6.1 WEB inspection creation does not use Inventory operator snapshots', () => {
+  const create = source('src/inspection-visits/inspection-planning-create.service.ts');
+
+  assert.match(create, /area_company_relations relation/);
+  assert.doesNotMatch(create, /inventory\.operator_company_id/);
+  assert.doesNotMatch(create, /asset\.operator_company_id/);
+});
+
+test('Field preparation is an Inspection stage, not a parallel sidebar module', () => {
+  const layout = source('../web-v2/src/layout/AppLayout.tsx');
+  const briefing = source('../web-v2/src/pages/FieldBriefingsPage.tsx');
+
+  assert.doesNotMatch(layout, /label: 'Preparación de campo'/);
+  assert.match(briefing, /ETAPA DE LA INSPECCIÓN/);
+  assert.match(briefing, /inspectionId/);
+  assert.match(briefing, /Volver a la inspección/);
+});