diff --git a/api-v3/test/unit/f6-1-presentation-ready-contract.test.ts b/api-v3/test/unit/f6-1-presentation-ready-contract.test.ts
new file mode 100644
index 0000000..0b5689e
--- /dev/null
+++ b/api-v3/test/unit/f6-1-presentation-ready-contract.test.ts
@@ -0,0 +1,66 @@
+import assert from 'node:assert/strict';
+import { readFileSync } from 'node:fs';
+import { resolve } from 'node:path';
+import test from 'node:test';
+
+const api = (path: string) => readFileSync(resolve(process.cwd(), path), 'utf8');
+const web = (path: string) => readFileSync(resolve(process.cwd(), '..', 'web-v2', path), 'utf8');
+const android = (path: string) => readFileSync(resolve(process.cwd(), '..', 'android-app', path), 'utf8');
+
+test('F6.1 presentation metadata keeps the visible WEB version aligned with package metadata', () => {
+  const pkg = JSON.parse(web('package.json')) as { version: string };
+  const version = web('src/config/version.ts');
+  const visibleVersion = version.match(/APP_VERSION\s*=\s*'([^']+)'/)?.[1];
+
+  assert.equal(visibleVersion, pkg.version);
+  assert.match(version, /APP_PHASE\s*=\s*'F6\.1 · Contexto operativo Área–Operadora consolidado'/);
+});
+
+test('F6.1 presentation keeps Relevamientos retired from WEB navigation and routes', () => {
+  const app = web('src/app/App.tsx');
+  const layout = web('src/layout/AppLayout.tsx');
+
+  assert.doesNotMatch(app, /relevamientos/i);
+  assert.doesNotMatch(layout, /relevamientos/i);
+  assert.match(layout, /label: 'Inspecciones'/);
+  assert.match(layout, /label: 'Inventarios'/);
+});
+
+test('F6.1 presentation keeps the complete Inspector profile and documentary-copy explanation visible', () => {
+  const user = web('src/pages/UserDetailPage.tsx');
+  const delivery = api('src/inspection-reports/inspection-document-delivery.service.ts');
+
+  for (const field of ['dni', 'phone', 'jobTitle', 'employeeNumber']) {
+    assert.match(user, new RegExp(`name="${field}"`));
+  }
+  assert.match(user, /email es obligatorio para un Inspector/i);
+  assert.match(user, /la documentación se enviará también/i);
+  assert.match(delivery, /recipientKind:'INSPECTOR'/);
+  assert.match(delivery, /documentKind:'ACT_PDF'/);
+  assert.match(delivery, /documentKind:'REPORT_WORD'/);
+});
+
+test('F6.1 presentation keeps Android start, Otro and chronological merge flows wired to the canonical API', () => {
+  const mobileApi = android('app/src/main/java/com/korexlabs/dhinspeccion/data/DhMobile.kt');
+  const overview = android('app/src/main/java/com/korexlabs/dhinspeccion/ui/F3VisitRoot.kt');
+  const viewModel = android('app/src/main/java/com/korexlabs/dhinspeccion/MainViewModel.kt');
+
+  assert.match(mobileApi, /inspection-visits\/\{id\}\/start/);
+  assert.match(mobileApi, /field-inventory\/\{assetId\}\/merge/);
+  assert.match(overview, /Text\("Iniciar inspección"\)/);
+  assert.match(overview, /Otro \/ no catalogado/);
+  assert.match(viewModel, /repository\.startVisit\(id\)/);
+  assert.match(viewModel, /selectedFieldAsset = repository\.selectFieldAsset\(visitId, result\.canonical\.id\)/);
+  assert.match(viewModel, /la historia de \$\{result\.source\.code\} permanece trazable/);
+});
+
+test('F6.1 presentation keeps catalog merge append-only for emitted findings', () => {
+  const merge = api('src/inspection-findings/finding-catalog-merge.service.ts');
+  const resolver = api('src/inspection-findings/f3-finding-catalog-resolver.service.ts');
+
+  assert.match(merge, /los Hallazgos emitidos nunca se reescriben/);
+  assert.match(merge, /historicalFindingsRewritten: false/);
+  assert.match(merge, /historyPolicy: 'EMITTED_FINDINGS_PRESERVED'/);
+  assert.match(resolver, /code: 'OTHER'/);
+  assert.match(resolver, /label: 'OTROS'/);
+});