diff --git a/frontend/src/components/SimulationList.tsx b/frontend/src/components/SimulationList.tsx
index f20b194..5f2bf68 100644
--- a/frontend/src/components/SimulationList.tsx
+++ b/frontend/src/components/SimulationList.tsx
@@ -1,11 +1,13 @@
 import { useEffect, useRef, useState } from 'react';
 import { Link, useNavigate } from 'react-router-dom';
 import { ChevronDown, Plus } from 'lucide-react';
+import { useTranslation } from 'react-i18next';
 import { extractApiError } from '@/api/client';
 import type { SimulationTemplate } from '@/api/types';
 import { useAuth } from '@/hooks/useAuth';
 import { useEngagementSimulations, useCreateSimulation } from '@/hooks/useSimulations';
 import { useToast } from '@/hooks/useToast';
+import { formatDateTime } from '@/lib/format';
 import { LoadingState } from './LoadingState';
 import { ErrorState } from './ErrorState';
 import { EmptyState } from './EmptyState';
@@ -16,12 +18,8 @@ interface SimulationListProps {
   engagementId: number;
 }
 
-function formatDate(value: string | null): string {
-  if (!value) return '—';
-  return value.replace('T', ' ').slice(0, 16);
-}
-
 function NewSimulationDropdown({ engagementId }: { engagementId: number }): JSX.Element {
+  const { t } = useTranslation();
   const navigate = useNavigate();
   const { push } = useToast();
   const [open, setOpen] = useState(false);
@@ -61,10 +59,10 @@ function NewSimulationDropdown({ engagementId }: { engagementId: number }): JSX.
     try {
       const sim = await createMutation.mutateAsync({ name: template.name, template_id: template.id });
       setShowPicker(false);
-      push(`Created "${sim.name}" from template`, 'success');
+      push(t('simulation.form.toast.created'), 'success');
       navigate(`/engagements/${engagementId}/simulations/${sim.id}/edit`);
     } catch (err) {
-      push(extractApiError(err, 'Could not create simulation from template'), 'error');
+      push(extractApiError(err, t('simulation.form.error.create')), 'error');
     }
   };
 
@@ -77,7 +75,7 @@ function NewSimulationDropdown({ engagementId }: { engagementId: number }): JSX.
           onClick={handleBlank}
           data-testid="new-simulation-btn"
         >
-          <Plus size={14} aria-hidden /> New
+          <Plus size={14} aria-hidden /> {t('simulation.list.new')}
         </button>
         <button
           type="button"
@@ -133,16 +131,17 @@ function NewSimulationDropdown({ engagementId }: { engagementId: number }): JSX.
 }
 
 export function SimulationList({ engagementId }: SimulationListProps): JSX.Element {
+  const { t } = useTranslation();
   const { data, isLoading, isError, error, refetch } = useEngagementSimulations(engagementId);
   const { canEditEngagements } = useAuth();
   const navigate = useNavigate();
 
-  if (isLoading) return <LoadingState label="Loading simulations…" />;
+  if (isLoading) return <LoadingState label={t('common.loading')} />;
 
   if (isError) {
     return (
       <ErrorState
-        message={extractApiError(error, 'Could not load simulations')}
+        message={extractApiError(error, t('simulation.list.error'))}
         onRetry={() => refetch()}
       />
     );
@@ -151,8 +150,8 @@ export function SimulationList({ engagementId }: SimulationListProps): JSX.Eleme
   if (!data || data.length === 0) {
     return (
       <EmptyState
-        title="No simulations yet"
-        description="Create the first simulation to start tracking red team tests."
+        title={t('simulation.list.empty.title')}
+        description={t('simulation.list.empty.desc')}
         action={
           canEditEngagements ? (
             <NewSimulationDropdown engagementId={engagementId} />
@@ -165,7 +164,7 @@ export function SimulationList({ engagementId }: SimulationListProps): JSX.Eleme
   return (
     <div className="flex flex-col gap-md">
       <div className="flex items-center justify-between">
-        <h2 className="text-[24px] font-medium text-ink">Simulations</h2>
+        <h2 className="text-[24px] font-medium text-ink">{t('engagement.detail.tabs.simulations')}</h2>
         {canEditEngagements ? (
           <NewSimulationDropdown engagementId={engagementId} />
         ) : null}
@@ -175,10 +174,10 @@ export function SimulationList({ engagementId }: SimulationListProps): JSX.Eleme
         <table className="table-compact w-full text-left">
           <thead className="bg-cloud border-b border-hairline">
             <tr>
-              <th>Name</th>
-              <th>MITRE</th>
-              <th>Status</th>
-              <th>Executed at</th>
+              <th>{t('simulation.list.col.name')}</th>
+              <th>{t('simulation.list.col.mitre')}</th>
+              <th>{t('simulation.list.col.status')}</th>
+              <th>{t('simulation.list.col.executedAt')}</th>
             </tr>
           </thead>
           <tbody>
@@ -202,8 +201,8 @@ export function SimulationList({ engagementId }: SimulationListProps): JSX.Eleme
                 <td className="text-charcoal font-mono">
                   {(() => {
                     const items = [
-                      ...(sim.tactics ?? []).map((t) => t.id),
-                      ...sim.techniques.map((t) => t.id),
+                      ...(sim.tactics ?? []).map((tactic) => tactic.id),
+                      ...sim.techniques.map((tech) => tech.id),
                     ];
                     if (items.length === 0) return '—';
                     if (items.length === 1) return items[0];
@@ -214,7 +213,7 @@ export function SimulationList({ engagementId }: SimulationListProps): JSX.Eleme
                   <SimulationStatusBadge status={sim.status} />
                 </td>
                 <td className="text-charcoal font-mono">
-                  {formatDate(sim.executed_at)}
+                  {sim.executed_at ? formatDateTime(sim.executed_at) : '—'}
                 </td>
               </tr>
             ))}
diff --git a/frontend/src/pages/SimulationFormPage.tsx b/frontend/src/pages/SimulationFormPage.tsx
index 663234b..8657ece 100644
--- a/frontend/src/pages/SimulationFormPage.tsx
+++ b/frontend/src/pages/SimulationFormPage.tsx
@@ -1,6 +1,7 @@
 import { useEffect, useState, type FormEvent } from 'react';
 import { Link, useNavigate, useParams } from 'react-router-dom';
 import { Save, RotateCcw } from 'lucide-react';
+import { useTranslation } from 'react-i18next';
 import { extractApiError } from '@/api/client';
 import type { SimulationPatchInput } from '@/api/types';
 import { useAuth } from '@/hooks/useAuth';
@@ -58,6 +59,7 @@ const EMPTY_SOC: SocFormState = {
 };
 
 export function SimulationFormPage(): JSX.Element {
+  const { t } = useTranslation();
   const { eid, sid } = useParams<{ eid: string; sid: string }>();
   const engagementId = eid ? Number(eid) : undefined;
   const simulationId = sid ? Number(sid) : undefined;
@@ -115,11 +117,11 @@ export function SimulationFormPage(): JSX.Element {
     }
   }, [isNew, detail.data]);
 
-  if (!isNew && detail.isLoading) return <LoadingState label="Loading simulation…" />;
+  if (!isNew && detail.isLoading) return <LoadingState label={t('simulation.form.loading')} />;
   if (!isNew && detail.isError) {
     return (
       <ErrorState
-        message={extractApiError(detail.error, 'Could not load simulation')}
+        message={extractApiError(detail.error, t('simulation.form.error.load'))}
         onRetry={() => detail.refetch()}
       />
     );
@@ -148,13 +150,13 @@ export function SimulationFormPage(): JSX.Element {
     e.preventDefault();
     setNameError(null);
     setSubmitError(null);
-    if (!rt.name.trim()) { setNameError('Name is required'); return; }
+    if (!rt.name.trim()) { setNameError(t('simulation.form.validation.nameRequired')); return; }
     try {
       const created = await createMutation.mutateAsync({ name: rt.name.trim() });
-      push('Simulation created', 'success');
+      push(t('simulation.form.toast.created'), 'success');
       navigate(`/engagements/${engagementId}/simulations/${created.id}/edit`);
     } catch (err) {
-      setSubmitError(extractApiError(err, 'Could not create simulation'));
+      setSubmitError(extractApiError(err, t('simulation.form.error.create')));
     }
   };
 
@@ -162,7 +164,7 @@ export function SimulationFormPage(): JSX.Element {
     e.preventDefault();
     setNameError(null);
     setSubmitError(null);
-    if (!rt.name.trim()) { setNameError('Name is required'); return; }
+    if (!rt.name.trim()) { setNameError(t('simulation.form.validation.nameRequired')); return; }
     const patch: SimulationPatchInput = {
       name: rt.name.trim(),
       description: rt.description.trim() || null,
@@ -173,9 +175,9 @@ export function SimulationFormPage(): JSX.Element {
     };
     try {
       await updateMutation.mutateAsync(patch);
-      push('Simulation updated', 'success');
+      push(t('simulation.form.toast.updated'), 'success');
     } catch (err) {
-      setSubmitError(extractApiError(err, 'Could not update simulation'));
+      setSubmitError(extractApiError(err, t('simulation.form.error.update')));
     }
   };
 
@@ -190,36 +192,36 @@ export function SimulationFormPage(): JSX.Element {
     };
     try {
       await updateMutation.mutateAsync(patch);
-      push('SOC report updated', 'success');
+      push(t('simulation.form.toast.socUpdated'), 'success');
     } catch (err) {
-      setSubmitError(extractApiError(err, 'Could not update SOC fields'));
+      setSubmitError(extractApiError(err, t('simulation.form.error.soc')));
     }
   };
 
   const onMarkReview = async () => {
     try {
       await transitionMutation.mutateAsync('review_required');
-      push('Simulation marked for review', 'success');
+      push(t('simulation.form.toast.markedReview'), 'success');
     } catch (err) {
-      push(extractApiError(err, 'Transition failed'), 'error');
+      push(extractApiError(err, t('simulation.form.error.transition')), 'error');
     }
   };
 
   const onClose = async () => {
     try {
       await transitionMutation.mutateAsync('done');
-      push('Simulation closed', 'success');
+      push(t('simulation.form.toast.closed'), 'success');
     } catch (err) {
-      push(extractApiError(err, 'Transition failed'), 'error');
+      push(extractApiError(err, t('simulation.form.error.transition')), 'error');
     }
   };
 
   const onReopen = async () => {
     try {
       await transitionMutation.mutateAsync('review_required');
-      push('Simulation reopened', 'success');
+      push(t('simulation.form.toast.reopened'), 'success');
     } catch (err) {
-      push(extractApiError(err, 'Transition failed'), 'error');
+      push(extractApiError(err, t('simulation.form.error.transition')), 'error');
     }
   };
 
@@ -227,10 +229,10 @@ export function SimulationFormPage(): JSX.Element {
     setShowDeleteConfirm(false);
     try {
       await deleteMutation.mutateAsync(simulationId as number);
-      push('Simulation deleted', 'success');
+      push(t('simulation.form.toast.deleted'), 'success');
       navigate(`/engagements/${engagementId}`);
     } catch (err) {
-      push(extractApiError(err, 'Could not delete simulation'), 'error');
+      push(extractApiError(err, t('simulation.form.error.delete')), 'error');
     }
   };
 
@@ -240,12 +242,12 @@ export function SimulationFormPage(): JSX.Element {
     return (
       <div className="flex flex-col gap-xl max-w-2xl">
         <header>
-          <BackLink to={`/engagements/${engagementId}`}>Back to engagement</BackLink>
-          <h1 className="text-[32px] font-medium leading-none mt-sm">New simulation</h1>
+          <BackLink to={`/engagements/${engagementId}`}>{t('engagement.detail.backTo')}</BackLink>
+          <h1 className="text-[32px] font-medium leading-none mt-sm">{t('simulation.form.title.new')}</h1>
         </header>
 
         <form onSubmit={onSubmitNew} noValidate className="card-product flex flex-col gap-md">
-          <FormField label="Name" htmlFor="sim-name" required error={nameError}>
+          <FormField label={t('simulation.form.field.name')} htmlFor="sim-name" required error={nameError}>
             <TextInput
               id="sim-name"
               name="name"
@@ -260,11 +262,11 @@ export function SimulationFormPage(): JSX.Element {
           ) : null}
 
           <div className="flex items-center gap-md pt-sm">
-            <button type="submit" className="btn-primary" disabled={submitting}>
-              {submitting ? 'Creating…' : 'Create simulation'}
+            <button type="submit" className="btn-primary" disabled={submitting} data-testid="create-sim-btn">
+              {submitting ? t('simulation.form.btn.creating') : t('simulation.form.btn.create')}
             </button>
             <Link to={`/engagements/${engagementId}`} className="btn-outline-ink">
-              Cancel
+              {t('simulation.form.btn.cancel')}
             </Link>
           </div>
         </form>
@@ -279,14 +281,15 @@ export function SimulationFormPage(): JSX.Element {
     <div className="flex flex-col gap-xl">
       <header className="flex items-start justify-between gap-md">
         <div className="flex flex-col gap-sm">
-          <BackLink to={`/engagements/${engagementId}`}>Back to engagement</BackLink>
+          <BackLink to={`/engagements/${engagementId}`}>{t('engagement.detail.backTo')}</BackLink>
           <h1 className="text-[32px] font-medium leading-none">{rt.name || simulation?.name}</h1>
           {status ? (
             <div className="flex items-center gap-md">
               <SimulationStatusBadge status={status} />
               {simulation?.created_by && (
                 <span className="text-[14px] text-graphite">
-                  Created by <span className="text-ink">{simulation.created_by.username}</span>
+                  {t('engagement.detail.createdBy')}{' '}
+                  <span className="text-ink">{simulation.created_by.username}</span>
                 </span>
               )}
             </div>
@@ -297,7 +300,7 @@ export function SimulationFormPage(): JSX.Element {
       {/* Done banner */}
       {isDone && (
         <AlertBanner variant="success">
-          This simulation is <strong>done</strong> and read-only. Use Reopen to make changes.
+          {t('simulation.form.banner.done')}
         </AlertBanner>
       )}
 
@@ -305,7 +308,7 @@ export function SimulationFormPage(): JSX.Element {
       {socBlocked && (
         <div data-testid="soc-blocked-banner">
           <AlertBanner variant="warn">
-            Simulation not yet ready for review — the red team must mark it as &quot;Review required&quot; before you can fill in the SOC section.
+            {t('simulation.form.banner.socNotReady')}
           </AlertBanner>
         </div>
       )}
@@ -321,9 +324,9 @@ export function SimulationFormPage(): JSX.Element {
           noValidate
           className="card-product flex flex-col gap-md"
         >
-          <h2 className="text-[20px] font-medium text-ink">Red Team</h2>
+          <h2 className="text-[20px] font-medium text-ink">{t('simulation.form.header.redTeam')}</h2>
 
-          <FormField label="Name" htmlFor="sim-name" required error={nameError}>
+          <FormField label={t('simulation.form.field.name')} htmlFor="sim-name" required error={nameError}>
             <TextInput
               id="sim-name"
               name="name"
@@ -335,7 +338,7 @@ export function SimulationFormPage(): JSX.Element {
           </FormField>
 
           <div className="flex flex-col gap-xs">
-            <span className="text-[14px] font-medium text-ink">MITRE Techniques &amp; Tactics</span>
+            <span className="text-[14px] font-medium text-ink">{t('simulation.form.field.mitre')}</span>
             <MitreTechniquesField
               value={simulation?.techniques ?? []}
               tactics={simulation?.tactics ?? []}
@@ -345,7 +348,7 @@ export function SimulationFormPage(): JSX.Element {
             />
           </div>
 
-          <FormField label="Description" htmlFor="sim-description">
+          <FormField label={t('simulation.form.field.description')} htmlFor="sim-description">
             <TextArea
               id="sim-description"
               name="description"
@@ -355,7 +358,7 @@ export function SimulationFormPage(): JSX.Element {
             />
           </FormField>
 
-          <FormField label="Commands" htmlFor="sim-commands" hint="One command per line">
+          <FormField label={t('simulation.form.field.commands')} htmlFor="sim-commands" hint={t('simulation.form.field.commandsHint')}>
             <TextArea
               id="sim-commands"
               name="commands"
@@ -366,7 +369,7 @@ export function SimulationFormPage(): JSX.Element {
             />
           </FormField>
 
-          <FormField label="Prerequisites" htmlFor="sim-prerequisites">
+          <FormField label={t('simulation.form.field.prerequisites')} htmlFor="sim-prerequisites">
             <TextArea
               id="sim-prerequisites"
               name="prerequisites"
@@ -376,7 +379,7 @@ export function SimulationFormPage(): JSX.Element {
             />
           </FormField>
 
-          <FormField label="Executed at" htmlFor="sim-executed-at">
+          <FormField label={t('simulation.form.field.executedAt')} htmlFor="sim-executed-at">
             <TextInput
               id="sim-executed-at"
               type="datetime-local"
@@ -387,7 +390,7 @@ export function SimulationFormPage(): JSX.Element {
             />
           </FormField>
 
-          <FormField label="Execution result" htmlFor="sim-exec-result">
+          <FormField label={t('simulation.form.field.executionResult')} htmlFor="sim-exec-result">
             <TextArea
               id="sim-exec-result"
               name="execution_result"
@@ -406,7 +409,7 @@ export function SimulationFormPage(): JSX.Element {
                 className="btn-outline"
                 onClick={() => setShowC2Modal(true)}
               >
-                Execute via C2
+                {t('simulation.form.btn.executeC2')}
               </button>
               <button
                 type="button"
@@ -414,7 +417,7 @@ export function SimulationFormPage(): JSX.Element {
                 className="btn-outline"
                 onClick={() => setShowImportModal(true)}
               >
-                Import C2 history
+                {t('simulation.form.btn.importC2History')}
               </button>
             </div>
           )}
@@ -433,9 +436,9 @@ export function SimulationFormPage(): JSX.Element {
           noValidate
           className="card-product flex flex-col gap-md"
         >
-          <h2 className="text-[20px] font-medium text-ink">SOC</h2>
+          <h2 className="text-[20px] font-medium text-ink">{t('simulation.form.header.soc')}</h2>
 
-          <FormField label="Log source" htmlFor="sim-log-source">
+          <FormField label={t('simulation.form.field.logSource')} htmlFor="sim-log-source">
             <TextInput
               id="sim-log-source"
               name="log_source"
@@ -445,7 +448,7 @@ export function SimulationFormPage(): JSX.Element {
             />
           </FormField>
 
-          <FormField label="Logs" htmlFor="sim-logs">
+          <FormField label={t('simulation.form.field.logs')} htmlFor="sim-logs">
             <TextArea
               id="sim-logs"
               name="logs"
@@ -455,7 +458,7 @@ export function SimulationFormPage(): JSX.Element {
             />
           </FormField>
 
-          <FormField label="SOC comment" htmlFor="sim-soc-comment">
+          <FormField label={t('simulation.form.field.socComment')} htmlFor="sim-soc-comment">
             <TextArea
               id="sim-soc-comment"
               name="soc_comment"
@@ -465,7 +468,7 @@ export function SimulationFormPage(): JSX.Element {
             />
           </FormField>
 
-          <FormField label="Incident number" htmlFor="sim-incident">
+          <FormField label={t('simulation.form.field.incidentNumber')} htmlFor="sim-incident">
             <TextInput
               id="sim-incident"
               name="incident_number"
@@ -493,7 +496,7 @@ export function SimulationFormPage(): JSX.Element {
             data-testid="reopen-btn"
           >
             <RotateCcw size={14} aria-hidden />
-            Reopen
+            {t('simulation.form.btn.reopen')}
           </button>
         )}
 
@@ -501,13 +504,13 @@ export function SimulationFormPage(): JSX.Element {
         {!isDone && canEditRT && (
           <button type="submit" form="rt-form" className="btn-primary" disabled={submitting}>
             <Save size={14} aria-hidden />
-            {updateMutation.isPending ? 'Saving…' : 'Save'}
+            {updateMutation.isPending ? t('simulation.form.btn.saving') : t('simulation.form.btn.save')}
           </button>
         )}
         {!isDone && canSaveSoc && (
           <button type="submit" form="soc-form" className="btn-primary" disabled={submitting}>
             <Save size={14} aria-hidden />
-            {updateMutation.isPending ? 'Saving…' : 'Save SOC'}
+            {updateMutation.isPending ? t('simulation.form.btn.saving') : t('simulation.form.btn.saveSoc')}
           </button>
         )}
         {showMarkReview && (
@@ -516,8 +519,9 @@ export function SimulationFormPage(): JSX.Element {
             className="btn-outline"
             onClick={onMarkReview}
             disabled={transitionMutation.isPending}
+            data-testid="mark-review-btn"
           >
-            Mark for review
+            {t('simulation.form.btn.markReview')}
           </button>
         )}
         {showClose && (
@@ -526,8 +530,9 @@ export function SimulationFormPage(): JSX.Element {
             className="btn-outline"
             onClick={onClose}
             disabled={transitionMutation.isPending}
+            data-testid="close-btn"
           >
-            Close
+            {t('simulation.form.btn.close')}
           </button>
         )}
         {!isDone && canEditEngagements && simulationId && (
@@ -536,18 +541,19 @@ export function SimulationFormPage(): JSX.Element {
             className="btn-text-link text-bloom-deep ml-auto"
             onClick={() => setShowDeleteConfirm(true)}
             disabled={submitting}
+            data-testid="delete-btn"
           >
-            Delete
+            {t('simulation.form.btn.delete')}
           </button>
         )}
       </div>
 
       {showDeleteConfirm && (
         <ConfirmDialog
-          title="Delete simulation"
-          description="This action is permanent. The simulation will be deleted forever."
-          confirmLabel="Delete"
-          cancelLabel="Cancel"
+          title={t('simulation.form.deleteConfirm.title')}
+          description={t('simulation.form.deleteConfirm.desc')}
+          confirmLabel={t('simulation.form.deleteConfirm.confirm')}
+          cancelLabel={t('simulation.form.deleteConfirm.cancel')}
           destructive
           onConfirm={onDelete}
           onCancel={() => setShowDeleteConfirm(false)}
diff --git a/frontend/tests/SimulationFormPage.test.tsx b/frontend/tests/SimulationFormPage.test.tsx
index cd68ce4..62c9db0 100644
--- a/frontend/tests/SimulationFormPage.test.tsx
+++ b/frontend/tests/SimulationFormPage.test.tsx
@@ -88,12 +88,12 @@ describe('SimulationFormPage — redteam mode (edit existing)', () => {
     });
 
     await waitFor(() => {
-      expect(screen.getByLabelText(/^Name/i)).not.toBeDisabled();
+      expect(screen.getByLabelText(/^Nom/i)).not.toBeDisabled();
     });
 
-    expect(screen.getByLabelText(/Description/i)).not.toBeDisabled();
-    expect(screen.getByLabelText(/Commands/i)).not.toBeDisabled();
-    expect(screen.getByLabelText(/Executed at/i)).not.toBeDisabled();
+    expect(screen.getByLabelText(/^Description/i)).not.toBeDisabled();
+    expect(screen.getByLabelText(/^Commandes/i)).not.toBeDisabled();
+    expect(screen.getByLabelText(/^Exécuté le/i)).not.toBeDisabled();
   });
 
   it('shows "Mark for review" button when status is pending', async () => {
@@ -102,7 +102,7 @@ describe('SimulationFormPage — redteam mode (edit existing)', () => {
     });
 
     await waitFor(() => {
-      expect(screen.getByRole('button', { name: /Mark for review/i })).toBeInTheDocument();
+      expect(screen.getByTestId('mark-review-btn')).toBeInTheDocument();
     });
   });
 
@@ -111,8 +111,8 @@ describe('SimulationFormPage — redteam mode (edit existing)', () => {
       routerProps: { initialEntries: ['/engagements/42/simulations/7/edit'] },
     });
 
-    await waitFor(() => screen.getByRole('button', { name: /Mark for review/i }));
-    expect(screen.queryByRole('button', { name: /^Close$/i })).toBeNull();
+    await waitFor(() => screen.getByTestId('mark-review-btn'));
+    expect(screen.queryByTestId('close-btn')).toBeNull();
   });
 
   it('shows "Mark for review" for in_progress status', async () => {
@@ -122,7 +122,7 @@ describe('SimulationFormPage — redteam mode (edit existing)', () => {
     });
 
     await waitFor(() => {
-      expect(screen.getByRole('button', { name: /Mark for review/i })).toBeInTheDocument();
+      expect(screen.getByTestId('mark-review-btn')).toBeInTheDocument();
     });
   });
 
@@ -133,7 +133,7 @@ describe('SimulationFormPage — redteam mode (edit existing)', () => {
     });
 
     await waitFor(() => {
-      expect(screen.getByRole('button', { name: /^Close$/i })).toBeInTheDocument();
+      expect(screen.getByTestId('close-btn')).toBeInTheDocument();
     });
   });
 
@@ -143,7 +143,7 @@ describe('SimulationFormPage — redteam mode (edit existing)', () => {
     });
 
     await waitFor(() => {
-      expect(screen.getByRole('button', { name: /^Delete$/i })).toBeInTheDocument();
+      expect(screen.getByTestId('delete-btn')).toBeInTheDocument();
     });
   });
 });
@@ -179,10 +179,10 @@ describe('SimulationFormPage — SOC role + pending (blocked)', () => {
     });
 
     await waitFor(() => {
-      expect(screen.getByLabelText(/Log source/i)).toBeDisabled();
+      expect(screen.getByLabelText(/^Source de log/i)).toBeDisabled();
     });
 
-    expect(screen.getByLabelText(/Incident number/i)).toBeDisabled();
+    expect(screen.getByLabelText(/^Numéro d'incident/i)).toBeDisabled();
   });
 
   it('Red Team inputs are disabled for SOC', async () => {
@@ -191,10 +191,10 @@ describe('SimulationFormPage — SOC role + pending (blocked)', () => {
     });
 
     await waitFor(() => {
-      expect(screen.getByLabelText(/^Name/i)).toBeDisabled();
+      expect(screen.getByLabelText(/^Nom/i)).toBeDisabled();
     });
 
-    expect(screen.getByLabelText(/Description/i)).toBeDisabled();
+    expect(screen.getByLabelText(/^Description/i)).toBeDisabled();
   });
 });
 
@@ -218,10 +218,10 @@ describe('SimulationFormPage — SOC role + review_required (can edit SOC fields
     });
 
     await waitFor(() => {
-      expect(screen.getByLabelText(/Log source/i)).not.toBeDisabled();
+      expect(screen.getByLabelText(/^Source de log/i)).not.toBeDisabled();
     });
 
-    expect(screen.getByLabelText(/Incident number/i)).not.toBeDisabled();
+    expect(screen.getByLabelText(/^Numéro d'incident/i)).not.toBeDisabled();
   });
 
   it('Red Team inputs remain disabled for SOC even when review_required', async () => {
@@ -230,7 +230,7 @@ describe('SimulationFormPage — SOC role + review_required (can edit SOC fields
     });
 
     await waitFor(() => {
-      expect(screen.getByLabelText(/^Name/i)).toBeDisabled();
+      expect(screen.getByLabelText(/^Nom/i)).toBeDisabled();
     });
   });
 
@@ -240,7 +240,7 @@ describe('SimulationFormPage — SOC role + review_required (can edit SOC fields
     });
 
     await waitFor(() => {
-      expect(screen.getByLabelText(/Log source/i)).not.toBeDisabled();
+      expect(screen.getByLabelText(/^Source de log/i)).not.toBeDisabled();
     });
 
     expect(screen.queryByTestId('soc-blocked-banner')).toBeNull();
@@ -252,7 +252,7 @@ describe('SimulationFormPage — SOC role + review_required (can edit SOC fields
     });
 
     await waitFor(() => {
-      expect(screen.getByRole('button', { name: /^Close$/i })).toBeInTheDocument();
+      expect(screen.getByTestId('close-btn')).toBeInTheDocument();
     });
   });
 });
@@ -273,8 +273,8 @@ describe('SimulationFormPage — new simulation', () => {
     renderWithProviders(<NewPage />, {
       routerProps: { initialEntries: ['/engagements/42/simulations/new'] },
     });
-    expect(screen.getByLabelText(/^Name/i)).toBeInTheDocument();
-    expect(screen.getByRole('button', { name: /Create simulation/i })).toBeInTheDocument();
+    expect(screen.getByLabelText(/^Nom/i)).toBeInTheDocument();
+    expect(screen.getByTestId('create-sim-btn')).toBeInTheDocument();
   });
 });
 
@@ -311,7 +311,7 @@ describe('SimulationFormPage — Execute via C2 button visibility', () => {
       routerProps: { initialEntries: ['/engagements/42/simulations/7/edit'] },
     });
     await waitFor(() => {
-      expect(screen.getByLabelText(/^Name/i)).not.toBeDisabled();
+      expect(screen.getByLabelText(/^Nom/i)).not.toBeDisabled();
     });
     expect(screen.queryByTestId('c2-execute-btn')).toBeNull();
   });
@@ -369,7 +369,7 @@ describe('SimulationFormPage — C2 tasks panel visibility', () => {
     });
     // Wait for page data to load then confirm no panel
     await waitFor(() => {
-      expect(screen.getByLabelText(/^Name/i)).not.toBeDisabled();
+      expect(screen.getByLabelText(/^Nom/i)).not.toBeDisabled();
     });
     expect(screen.queryByTestId('c2-tasks-panel')).toBeNull();
   });