diff --git a/api-v3/test/unit/f4-multi-act-lifecycle.test.ts b/api-v3/test/unit/f4-multi-act-lifecycle.test.ts
index a06f47e..93c6a4c 100644
--- a/api-v3/test/unit/f4-multi-act-lifecycle.test.ts
+++ b/api-v3/test/unit/f4-multi-act-lifecycle.test.ts
@@ -10,6 +10,7 @@ const closing = read('src/inspection-closing/inspection-closing.service.ts');
 const lifecycle = read('src/inspection-visits/inspection-visit-lifecycle.service.ts');
 const acts = read('src/inspection-acts/inspection-acts.service.ts');
 const findings = read('src/inspection-findings/inspection-findings.service.ts');
+const fieldFindings = read('src/inspection-visits/field-findings.service.ts');
 const actEntity = read('src/database/entities/inspection-act.entity.ts');
 
 test('F4 keeps finalized acts irreversible', () => {
@@ -24,6 +25,16 @@ test('F4 permits multiple acts per inspection but only one simultaneous draft',
   assert.match(actEntity, /uq_inspection_acts_one_draft_per_visit/);
   assert.match(actEntity, /where: "status = 'DRAFT'"/);
   assert.doesNotMatch(actEntity, /uq_inspection_acts_visit['"]/);
+
+  const createBody = acts.slice(acts.indexOf('  async create('), acts.indexOf('  async update('));
+  const singleDraftGuard = acts.slice(
+    acts.indexOf('  private async assertVisitHasNoDraftAct('),
+    acts.indexOf('  private async assertVisitAssets('),
+  );
+  assert.match(createBody, /this\.assertVisitOpen\(visit\)/);
+  assert.match(createBody, /this\.assertVisitHasNoDraftAct\(manager, visitId\)/);
+  assert.match(singleDraftGuard, /WHERE visit_id = \$1 AND status = 'DRAFT'/);
+  assert.doesNotMatch(singleDraftGuard, /LOCKED|SEALED/);
 });
 
 test('F4 act locking is independent from inspection-wide verification completion', () => {
@@ -55,6 +66,20 @@ test('F4 blocks finding creation and editing once the act is locked', () => {
   assert.match(updateBody, /this\.assertActEditable\(act, visit\)/);
 });
 
+test('F4 field finding flow only targets a draft act of the same in-progress inspection', () => {
+  const createBody = fieldFindings.slice(fieldFindings.indexOf('  async create('), fieldFindings.indexOf('  private async requireGate('));
+  const draftGuard = fieldFindings.slice(
+    fieldFindings.indexOf('  private async requireDraftAct('),
+    fieldFindings.lastIndexOf('\n}'),
+  );
+  assert.match(createBody, /this\.requireDraftAct\(visitId, dto\.actId\)/);
+  assert.match(createBody, /this\.findings\.create\(act\.id, payload, principal, request\)/);
+  assert.match(fieldFindings, /row\.visitStatus !== 'IN_PROGRESS'/);
+  assert.match(draftGuard, /act\.status !== 'DRAFT'/);
+  assert.match(draftGuard, /FIELD_FINDING_ACT_NOT_DRAFT/);
+  assert.match(draftGuard, /WHERE visit_id = \$1::uuid[\s\S]*AND status = 'DRAFT'/);
+});
+
 test('F4 sealing requires inspector signature and exactly one resolved company manifestation', () => {
   const closeBody = closing.slice(closing.indexOf('  async close('), closing.indexOf('  async signatureContent('));
   assert.match(closeBody, /INSPECTION_ACT_INSPECTOR_SIGNATURE_REQUIRED/);