diff --git a/src/lib/ui/components/ProvisioningProgress.svelte b/src/lib/ui/components/ProvisioningProgress.svelte
index 4af5c53..78ded5c 100644
--- a/src/lib/ui/components/ProvisioningProgress.svelte
+++ b/src/lib/ui/components/ProvisioningProgress.svelte
@@ -20,14 +20,15 @@
     {#if groups.length}
         <ol class="phases">
             {#each groups as group (group.key)}
+                {@const defaultOpen = detail.deployment.state !== 'done' || group.steps.some(step => step.state === 'failed' || step.checks.some(check => check.result !== 'pass'))}
                 <li class:current={active && (group.state === 'current' || group.state === 'waiting')} class:failed={group.state === 'failed'}>
-                    <details open={expanded[group.key] ?? true}>
+                    <details open={expanded[group.key] ?? defaultOpen}>
                         <summary
-                            onclick={event => { event.preventDefault(); expanded[group.key] = !(expanded[group.key] ?? true); }}
+                            onclick={event => { event.preventDefault(); expanded[group.key] = !(expanded[group.key] ?? defaultOpen); }}
                             onkeydown={event => {
                                 if (event.key !== 'Enter' && event.key !== ' ') return;
                                 event.preventDefault();
-                                if (!event.repeat) expanded[group.key] = !(expanded[group.key] ?? true);
+                                if (!event.repeat) expanded[group.key] = !(expanded[group.key] ?? defaultOpen);
                             }}
                         >
                             <span class="phase-icon state-{group.state}" aria-hidden="true">{progressIcons[group.state]}</span>
diff --git a/src/lib/ui/provisioning-presentation.ts b/src/lib/ui/provisioning-presentation.ts
index ac6ba75..a376662 100644
--- a/src/lib/ui/provisioning-presentation.ts
+++ b/src/lib/ui/provisioning-presentation.ts
@@ -125,6 +125,8 @@ export function provisioningOutcome(detail: ProvisioningDetail) {
     const { deployment: operation, progress } = detail;
     const active = activeProvisioningStates.includes(operation.state);
     const failure = ['failed', 'interrupted'].includes(operation.state);
+    const checksSummary = operation.state === 'done' && progress?.checks.length && progress.checks.every(check => check.result === 'pass')
+        ? `All ${countLabel(progress.checks.length, 'check')} passed` : null;
     const headline = operation.state === 'done' ? actionCompleted[operation.action]
         : operation.state === 'cancelled' ? `${actionLabels[operation.action]} request cancelled`
         : failure ? `${actionLabels[operation.action]} ${operation.state === 'interrupted' ? 'interrupted' : 'failed'}`
@@ -160,7 +162,7 @@ export function provisioningOutcome(detail: ProvisioningDetail) {
     else description = operation.action === 'destroy' ? 'Removal is in progress. Confirmed checkpoints and remaining cleanup are recorded below.'
         : operation.action === 'rebuild' ? 'The old instance is removed before a fresh instance is created in its reserved slot. Follow each checkpoint below.'
         : 'The worker is executing this request and checking its resulting state.';
-    return { active, headline, description };
+    return { active, headline, description, checksSummary };
 }
 
 /** Accept return context only from the local operation surfaces we expose. */
diff --git a/src/routes/provisioning/[id]/+page.svelte b/src/routes/provisioning/[id]/+page.svelte
index 5b7dd5c..515b5df 100644
--- a/src/routes/provisioning/[id]/+page.svelte
+++ b/src/routes/provisioning/[id]/+page.svelte
@@ -127,7 +127,10 @@
     {#if deployment && detail && outcome}
         <section class="outcome" class:attention={['failed', 'interrupted', 'warning'].includes(deployment.state)} aria-labelledby="outcome-title">
             <div class="outcome-top"><div class="badges"><StatusBadge state={deployment.state} />{#if deployment.server_deleted_at}<Badge>Deleted identity</Badge>{/if}{#if detail.progress?.recovery?.state === 'held'}<Badge variant="warning">Recovery capacity held</Badge>{/if}</div><span class="record-label">Operation outcome</span></div>
-            <div class="outcome-message" aria-live="polite" aria-atomic="true"><h2 id="outcome-title">{outcome.headline}</h2><p>{outcome.description}</p></div>
+            <div class="outcome-message" aria-live="polite" aria-atomic="true">
+                <h2 id="outcome-title">{outcome.headline}</h2><p>{outcome.description}</p>
+                {#if outcome.checksSummary}<p><span aria-hidden="true">✓</span>{' '}{outcome.checksSummary}</p>{/if}
+            </div>
             {#if deployment.error}<div class="failure" role="alert"><strong>Recorded error</strong><p>{deployment.error}</p></div>{/if}
             {#if detail.activity.failureExcerpt && detail.activity.failureExcerpt.message !== deployment.error && ['failed', 'interrupted'].includes(deployment.state)}<p class="failure-excerpt"><span>Last failure event · <OperationTime start={deployment.started_at} value={detail.activity.failureExcerpt.created_at} /></span>{detail.activity.failureExcerpt.message}</p>{/if}
             {#if detail.warningMessages.length}<div class="warnings"><h3>Recorded warnings</h3><ul>{#each detail.warningMessages as warning}<li>{warning}</li>{/each}</ul></div>{/if}
diff --git a/tests/unit/provisioning-presentation.test.ts b/tests/unit/provisioning-presentation.test.ts
index 67760ca..70781b2 100644
--- a/tests/unit/provisioning-presentation.test.ts
+++ b/tests/unit/provisioning-presentation.test.ts
@@ -20,8 +20,57 @@ function fixture(): ProvisioningDetail {
         collection: null, progress: progress(), capacity: { evaluatedAt: at, pools: [] }, warningMessages: []
     };
 }
+function completedFixture(): ProvisioningDetail {
+    const detail = fixture();
+    detail.deployment.state = 'done';
+    detail.deployment.finished_at = at;
+    detail.progress = progress({ checks: (['container', 'game', 'map', 'plutonium-release', 'plutonium-version'] as const).map(key => ({
+        key, label: key, result: 'pass', source: 'agent', checkedAt: at, receivedAt: at,
+        expected: `Expected ${key}`, actual: `Observed ${key}`, message: null
+    })) });
+    return detail;
+}
 
 describe('provisioning outcome and evidence presentation', () => {
+    it('summarizes recorded passed checks and retains their details in closed timeline groups', () => {
+        const detail = completedFixture();
+        expect(provisioningOutcome(detail).checksSummary).toBe('All 5 checks passed');
+        const body = render(ProvisioningProgressView, { props: { detail } }).body;
+        expect(body.match(/<details\b/g)).toHaveLength(3);
+        expect(body).not.toMatch(/<details\b[^>]*\bopen\b/);
+        for (const check of detail.progress!.checks) {
+            expect(body).toContain(check.expected);
+            expect(body).toContain(check.actual);
+        }
+        expect(body).toContain('Host agent');
+        expect(body).toContain('Evidence received');
+        detail.progress!.checks = detail.progress!.checks.slice(0, 1);
+        expect(provisioningOutcome(detail).checksSummary).toBe('All 1 check passed');
+        detail.progress!.checks = [];
+        expect(provisioningOutcome(detail).checksSummary).toBeNull();
+        detail.progress = null;
+        expect(provisioningOutcome(detail).checksSummary).toBeNull();
+    });
+
+    it.each(['fail', 'waiting', 'unknown'] as const)('keeps %s evidence visible even with a recorded completed outcome', result => {
+        const detail = completedFixture();
+        detail.progress!.checks[2].result = result;
+        expect(provisioningOutcome(detail).checksSummary).toBeNull();
+        const body = render(ProvisioningProgressView, { props: { detail } }).body;
+        const openGroups = body.match(/<details\b[^>]*\bopen\b[^>]*>[\s\S]*?<\/details>/g);
+        expect(openGroups).toHaveLength(1);
+        expect(openGroups![0]).toContain('Observed map');
+    });
+
+    it.each(['queued', 'waiting', 'running', 'awaiting-health', 'warning', 'failed', 'interrupted', 'cancelled'])(
+        'keeps %s evidence expanded without claiming the operation passed all checks', state => {
+            const detail = completedFixture();
+            detail.deployment.state = state;
+            expect(provisioningOutcome(detail).checksSummary).toBeNull();
+            const body = render(ProvisioningProgressView, { props: { detail } }).body;
+            expect(body.match(/<details\b[^>]*\bopen\b/g)).toHaveLength(3);
+        });
+
     it('shows recorded usernames and preserves unknown manual requesters', () => {
         expect(provisioningRequester({ triggered_by: 'ui', requested_by: 'alice' })).toBe('alice');
         expect(provisioningRequester({ triggered_by: 'rebalance:run', requested_by: 'bob' })).toBe('bob');