diff --git a/app/Http/Controllers/Business/CourierAgreementSignatures.php b/app/Http/Controllers/Business/CourierAgreementSignatures.php
index d4abc707..7268a088 100644
--- a/app/Http/Controllers/Business/CourierAgreementSignatures.php
+++ b/app/Http/Controllers/Business/CourierAgreementSignatures.php
@@ -283,11 +283,26 @@ class CourierAgreementSignatures extends Controller
             ->with('success', "{$signature->documentLabel()}状态已同步：{$signature->statusLabel()}。");
     }
 
-    public function archive(CourierAgreementSignature $agreementSignature): RedirectResponse
+    public function archive(Request $request, CourierAgreementSignature $agreementSignature): RedirectResponse
     {
         $this->ensureCanManage();
         abort_unless($agreementSignature->status === CourierAgreementSignature::STATUS_COMPLETED && $agreementSignature->remote_status === '2', 422, '只有签署完成的协议可以人工归档。');
-        $signature = $this->service->archive($agreementSignature, null, user_id());
+        $data = $request->validate([
+            'archive_reason_code' => ['required', 'in:completed,confirmed,backfill,other'],
+            'archive_note' => ['nullable', 'string', 'max:200'],
+        ]);
+        $reasonLabel = match ($data['archive_reason_code']) {
+            'completed' => '签署完成',
+            'confirmed' => '财务已确认',
+            'backfill' => '历史补录',
+            'other' => '其他',
+        };
+        $note = trim((string) ($data['archive_note'] ?? ''));
+        if ($data['archive_reason_code'] === 'other' && $note === '') {
+            throw ValidationException::withMessages(['archive_note' => '选择“其他”时请填写归档说明。']);
+        }
+        $reason = $note === '' ? $reasonLabel : $reasonLabel . '：' . $note;
+        $signature = $this->service->archive($agreementSignature, null, user_id(), $reason);
 
         return redirect()
             ->route('business.pages.show', ['section' => 'courier-payables', 'page' => 'agreement-signing', 'agreement_view' => 'tasks'])
diff --git a/app/Http/Controllers/Business/Pages.php b/app/Http/Controllers/Business/Pages.php
index 388c7f3a..730de895 100644
--- a/app/Http/Controllers/Business/Pages.php
+++ b/app/Http/Controllers/Business/Pages.php
@@ -2206,6 +2206,13 @@ class Pages extends Controller
             $query = CourierAgreementSignature::query();
             $search = $this->agreementFilterSearch();
             $status = $this->agreementFilterStatus();
+            $scope = $this->agreementFilterScope();
+
+            if ($scope === 'archived') {
+                $query->where('status', CourierAgreementSignature::STATUS_ARCHIVED);
+            } elseif ($scope === 'active') {
+                $query->where('status', '<>', CourierAgreementSignature::STATUS_ARCHIVED);
+            }
 
             if ($search !== '') {
                 $like = '%' . addcslashes($search, '%_\\') . '%';
@@ -2269,6 +2276,14 @@ class Pages extends Controller
         return in_array($type, $allowed, true) ? $type : null;
     }
 
+    protected function agreementFilterScope(): string
+    {
+        $default = request('agreement_status') === CourierAgreementSignature::STATUS_ARCHIVED ? 'archived' : 'active';
+        $scope = trim((string) request('agreement_scope', $default));
+
+        return in_array($scope, ['active', 'archived', 'all'], true) ? $scope : 'active';
+    }
+
     protected function agreementSubjects(?string $page): Collection
     {
         if ($page !== 'agreement-signing') {
@@ -2302,6 +2317,13 @@ class Pages extends Controller
             $query = CourierQuoteSignature::query()->with('version');
             $search = $this->agreementFilterSearch();
             $status = $this->agreementFilterStatus();
+            $scope = $this->agreementFilterScope();
+
+            if ($scope === 'archived') {
+                $query->where('status', CourierQuoteSignature::STATUS_ARCHIVED);
+            } elseif ($scope === 'active') {
+                $query->where('status', '<>', CourierQuoteSignature::STATUS_ARCHIVED);
+            }
 
             if ($search !== '') {
                 $like = '%' . addcslashes($search, '%_\\') . '%';
diff --git a/app/Models/Business/CourierAgreementSignature.php b/app/Models/Business/CourierAgreementSignature.php
index 59190e8a..ce9b63a8 100644
--- a/app/Models/Business/CourierAgreementSignature.php
+++ b/app/Models/Business/CourierAgreementSignature.php
@@ -158,4 +158,13 @@ class CourierAgreementSignature extends Model
 
         return in_array($mode, ['auto', 'manual'], true) ? $mode : 'auto';
     }
+
+    public function archiveReason(): string
+    {
+        try {
+            return trim((string) data_get($this->payload, 'archive_reason', ''));
+        } catch (\Throwable) {
+            return '';
+        }
+    }
 }
diff --git a/app/Support/CourierAgreementSignatureService.php b/app/Support/CourierAgreementSignatureService.php
index d6bb27e8..46dbcfca 100644
--- a/app/Support/CourierAgreementSignatureService.php
+++ b/app/Support/CourierAgreementSignatureService.php
@@ -211,7 +211,7 @@ final class CourierAgreementSignatureService
         });
     }
 
-    public function archive(CourierAgreementSignature $signature, ?EsignClient $client = null, ?int $userId = null): CourierAgreementSignature
+    public function archive(CourierAgreementSignature $signature, ?EsignClient $client = null, ?int $userId = null, ?string $archiveReason = null): CourierAgreementSignature
     {
         if ($signature->status === CourierAgreementSignature::STATUS_ARCHIVED) {
             return $signature;
@@ -246,6 +246,17 @@ final class CourierAgreementSignatureService
             'last_error' => null,
             'updated_by' => $userId ?: (int) $signature->updated_by,
         ];
+        $archiveReason ??= '签署完成后自动归档';
+        if (filled($archiveReason)) {
+            try {
+                $payload = $signature->payload ?? [];
+                $payload['archive_reason'] = mb_substr(trim($archiveReason), 0, 255);
+                $archive['payload'] = $payload;
+            } catch (Throwable) {
+                // Preserve unreadable historical payloads; retiring an APP_KEY
+                // must not prevent downloading and archiving a completed flow.
+            }
+        }
         if ($certificateBytes !== null) {
             $archive['certificate_path'] = $certificatePath;
             $archive['certificate_sha256'] = hash('sha256', $certificateBytes);
diff --git a/resources/views/business/pages/courier-payables/agreement-signing.blade.php b/resources/views/business/pages/courier-payables/agreement-signing.blade.php
index 97b0a171..61a7e6d5 100644
--- a/resources/views/business/pages/courier-payables/agreement-signing.blade.php
+++ b/resources/views/business/pages/courier-payables/agreement-signing.blade.php
@@ -12,6 +12,8 @@
 @php($agreementSearch = trim((string) request('agreement_search', '')))
 @php($agreementStatus = trim((string) request('agreement_status', '')))
 @php($agreementType = trim((string) request('agreement_type', '')))
+@php($agreementScope = trim((string) request('agreement_scope', $agreementStatus === 'archived' ? 'archived' : 'active')))
+@php($agreementScope = in_array($agreementScope, ['active', 'archived', 'all'], true) ? $agreementScope : 'active')
 @php($agreementFiltersActive = $agreementSearch !== '' || $agreementStatus !== '' || $agreementType !== '')
 
 <section class="agreement-workspace" aria-label="协议签署" data-agreement-signing>
@@ -198,6 +200,77 @@
             border-bottom: 1px solid var(--agreement-border);
         }
 
+        .agreement-scope-bar {
+            display: flex;
+            flex-wrap: wrap;
+            gap: 1rem;
+            padding: 0 1rem;
+            border-bottom: 1px solid var(--agreement-border);
+        }
+
+        .agreement-scope-link {
+            display: inline-flex;
+            align-items: center;
+            gap: 0.35rem;
+            min-height: 42px;
+            border-bottom: 3px solid transparent;
+            color: var(--agreement-muted);
+            font-size: 0.75rem;
+            font-weight: 600;
+            text-decoration: none;
+        }
+
+        .agreement-scope-link:hover,
+        .agreement-scope-link[aria-current="page"] {
+            color: var(--agreement-accent);
+        }
+
+        .agreement-scope-link[aria-current="page"] {
+            border-bottom-color: var(--agreement-gold);
+        }
+
+        .agreement-scope-link:focus-visible {
+            outline: 2px solid var(--agreement-accent);
+            outline-offset: 2px;
+        }
+
+        .agreement-scope-link .material-icons-outlined {
+            font-size: 17px;
+        }
+
+        .agreement-archive-meta {
+            display: block;
+            max-width: 24rem;
+            margin-top: 0.35rem;
+            color: var(--agreement-muted);
+            font-size: 0.75rem;
+            line-height: 1.4;
+            white-space: normal;
+            overflow-wrap: anywhere;
+        }
+
+        .agreement-archive-meta strong {
+            margin-right: 0.4rem;
+            color: var(--agreement-ink);
+            font-weight: 600;
+        }
+
+        .agreement-button--compact {
+            min-height: 30px;
+            height: 30px;
+            padding: 0 0.6rem;
+            font-size: 0.75rem;
+        }
+
+        .agreement-task-error:not(:empty) {
+            margin: 0.75rem 1rem;
+        }
+
+        .agreement-archive-dialog .agreement-modal__body {
+            display: grid;
+            gap: 1rem;
+        }
+
         .agreement-field {
             display: grid;
             gap: 0.35rem;
@@ -1231,8 +1304,19 @@
     </div>
 
     <section class="agreement-panel" id="agreement-panel-tasks" role="tabpanel" aria-labelledby="agreement-tab-tasks" data-agreement-panel="tasks">
+        @php($scopeQuery = request()->except(['agreement_scope', 'agreement_status', 'agreement_task_page', 'agreement_quote_page']))
+        <nav class="agreement-scope-bar" aria-label="任务归档视图">
+            @foreach (['active' => ['inbox', '待处理'], 'all' => ['view_list', '全部任务'], 'archived' => ['inventory_2', '已归档']] as $scope => $scopeLabel)
+                <a class="agreement-scope-link" data-task-scope="{{ $scope }}" href="{{ url()->current() . '?' . http_build_query(array_merge($scopeQuery, ['agreement_view' => 'tasks', 'agreement_scope' => $scope])) }}" @if ($agreementScope === $scope) aria-current="page" @endif>
+                    <span class="material-icons-outlined" aria-hidden="true">{{ $scopeLabel[0] }}</span>
+                    {{ $scopeLabel[1] }}
+                </a>
+            @endforeach
+        </nav>
+        <p class="agreement-form-error agreement-task-error" role="alert" data-task-load-error></p>
         <form class="agreement-filter-bar" method="GET" action="{{ url()->current() }}" data-task-filter-form>
             <input type="hidden" name="agreement_view" value="tasks">
+            <input type="hidden" name="agreement_scope" value="{{ $agreementScope }}">
             <div class="agreement-field">
                 <label for="agreement-task-search">搜索任务</label>
                 <div class="agreement-search">
@@ -1244,16 +1328,20 @@
                 <label for="agreement-task-status">签署状态</label>
                 <select class="agreement-control" id="agreement-task-status" name="agreement_status" data-task-filter>
                     <option value="">全部状态</option>
+                    @if ($agreementScope !== 'archived')
                     <option value="prepared" @selected($agreementStatus === 'prepared')>待推送</option>
                     <option value="sending" @selected($agreementStatus === 'sending')>推送中</option>
                     <option value="signing" @selected($agreementStatus === 'signing')>待签署</option>
                     <option value="completed" @selected($agreementStatus === 'completed')>签署完成，待归档</option>
-                    <option value="archived" @selected($agreementStatus === 'archived')>已签署并归档</option>
                     <option value="revoked" @selected($agreementStatus === 'revoked')>已撤销</option>
                     <option value="rejected" @selected($agreementStatus === 'rejected')>已拒签</option>
                     <option value="expired" @selected($agreementStatus === 'expired')>已过期</option>
                     <option value="failed" @selected($agreementStatus === 'failed')>处理失败</option>
                     <option value="unknown" @selected($agreementStatus === 'unknown')>状态未知</option>
+                    @endif
+                    @if ($agreementScope !== 'active')
+                        <option value="archived" @selected($agreementStatus === 'archived')>已签署并归档</option>
+                    @endif
                 </select>
             </div>
             <div class="agreement-field">
@@ -1302,6 +1390,10 @@
                             <td>报价确认单</td>
                             <td class="agreement-status-cell">
                                 <span class="agreement-status agreement-status--{{ in_array($quoteSignature->status, ['archived', 'completed'], true) ? 'success' : (in_array($quoteSignature->status, ['failed', 'rejected', 'expired', 'revoked'], true) ? 'danger' : 'warning') }}">{{ $quoteSignature->statusLabel() }}</span>
+                                @if ($quoteSignature->status === 'archived')
+                                    <span class="agreement-archive-meta"><strong>归档时间</strong>{{ optional($quoteSignature->archived_at)->format('Y-m-d H:i') ?: '时间未知' }}</span>
+                                    <span class="agreement-archive-meta"><strong>归档说明</strong>签署完成后自动归档</span>
+                                @endif
                                 @if ($quoteError)
                                     <span class="agreement-error-summary" title="{{ $quoteError }}">{{ $quoteError }}</span>
                                 @endif
@@ -1336,6 +1428,10 @@
                             <td>{{ $task->documentLabel() }}</td>
                             <td class="agreement-status-cell">
                                 <span class="agreement-status agreement-status--{{ in_array($task->status, ['archived', 'completed'], true) ? 'success' : ($taskFailed || in_array($task->status, ['rejected', 'expired', 'revoked'], true) ? 'danger' : 'warning') }}">{{ $task->statusLabel() }}</span>
+                                @if ($task->status === 'archived')
+                                    <span class="agreement-archive-meta"><strong>归档时间</strong>{{ optional($task->archived_at)->format('Y-m-d H:i') ?: '时间未知' }}</span>
+                                    <span class="agreement-archive-meta"><strong>归档说明</strong>{{ $task->archiveReason() ?: '未记录说明' }}</span>
+                                @endif
                                 @if ($taskError)
                                     <span class="agreement-error-summary" title="{{ $taskError }}">{{ $taskError }}</span>
                                 @endif
@@ -1349,10 +1445,12 @@
                                         <button class="agreement-icon-button" type="submit" title="同步E签宝状态"><span class="material-icons-outlined" aria-hidden="true">sync</span></button>
                                     </form>
                                 @endif
-                                @if ($task->status === 'completed' && $task->archiveMode() === 'manual')
-                                    <form method="POST" action="{{ route('business.courier-agreement-signatures.archive', $task) }}">
+                                @if ($task->status === 'completed' && $task->remote_status === '2' && $task->archiveMode() === 'manual')
+                                    <form method="POST" action="{{ route('business.courier-agreement-signatures.archive', $task) }}" data-archive-form data-task-number="{{ $task->business_no }}">
                                         @csrf
-                                        <button class="agreement-icon-button" type="submit" title="人工确认并归档"><span class="material-icons-outlined" aria-hidden="true">archive</span></button>
+                                        <input type="hidden" name="archive_reason_code" data-archive-reason-code>
+                                        <input type="hidden" name="archive_note" data-archive-note>
+                                        <button class="agreement-button agreement-button--compact" type="button" data-archive-open title="人工确认并归档"><span class="material-icons-outlined" aria-hidden="true">archive</span>归档</button>
                                     </form>
                                 @endif
                                 @if ($task->source_pdf_path)
@@ -1361,6 +1459,9 @@
                                 @if ($task->signed_pdf_path)
                                     <a class="agreement-icon-button" href="{{ route('business.courier-agreement-signatures.download', [$task, 'signed']) }}" title="下载已签署协议"><span class="material-icons-outlined" aria-hidden="true">download</span></a>
                                 @endif
+                                @if ($task->certificate_path)
+                                    <a class="agreement-icon-button" href="{{ route('business.courier-agreement-signatures.download', [$task, 'certificate']) }}" title="下载签署完成证书"><span class="material-icons-outlined" aria-hidden="true">workspace_premium</span></a>
+                                @endif
                             </td>
                         </tr>
                     @endforeach
@@ -1375,8 +1476,8 @@
                                     <strong>没有匹配的签署任务</strong>
                                     <p>请调整筛选条件后重新查询。</p>
                                 @else
-                                    <strong>还没有协议签署任务</strong>
-                                    <p>完成E签宝接入后，发起、签署、拒签和归档记录会在这里统一追踪。</p>
+                                    <strong>{{ $agreementScope === 'archived' ? '还没有已归档任务' : ($agreementScope === 'active' ? '暂无待处理任务' : '还没有协议签署任务') }}</strong>
+                                    <p>{{ $agreementScope === 'archived' ? '完成归档后可在这里检索和下载签署文件。' : '可新建签署任务，或在“全部任务”和“已归档”中查找历史文件。' }}</p>
                                 @endif
                                 <button class="agreement-button agreement-button--primary" type="button" data-start-agreement>
                                     <span class="material-icons-outlined" aria-hidden="true">add</span>
@@ -1974,6 +2075,37 @@
         </section>
     </div>
 
+    <div class="agreement-modal" role="presentation" aria-hidden="true" data-archive-modal hidden>
+        <div class="agreement-modal__backdrop" data-archive-modal-close></div>
+        <section class="agreement-modal__dialog agreement-archive-dialog" role="dialog" aria-modal="true" aria-labelledby="agreement-archive-modal-title">
+            <header class="agreement-modal__header">
+                <h2 class="agreement-modal__title" id="agreement-archive-modal-title"><span class="material-icons-outlined" aria-hidden="true">inventory_2</span>确认归档签署任务</h2>
+                <button class="agreement-modal-close" type="button" aria-label="关闭归档确认" data-archive-modal-close><span class="material-icons-outlined" aria-hidden="true">close</span></button>
+            </header>
+            <form class="agreement-modal__body" id="agreement-archive-confirm-form" data-archive-confirm-form>
+                <p class="agreement-modal__hint"><span class="material-icons-outlined" aria-hidden="true">info</span><span><strong data-archive-task-number></strong> 归档后将移入“已归档”，原文件、签署文件和完成证书仍可下载。</span></p>
+                <fieldset class="agreement-archive-fieldset">
+                    <legend class="agreement-section-heading">归档原因 <span class="agreement-required" aria-hidden="true">*</span></legend>
+                    <div class="agreement-archive-options">
+                        <label class="agreement-archive-choice"><input type="radio" name="archive_reason_code" value="completed" checked required><span><strong>签署完成</strong><span>签署文件已核对</span></span></label>
+                        <label class="agreement-archive-choice"><input type="radio" name="archive_reason_code" value="confirmed"><span><strong>财务已确认</strong><span>财务复核无误</span></span></label>
+                        <label class="agreement-archive-choice"><input type="radio" name="archive_reason_code" value="backfill"><span><strong>历史补录</strong><span>补录以前的签署文件</span></span></label>
+                        <label class="agreement-archive-choice"><input type="radio" name="archive_reason_code" value="other"><span><strong>其他</strong><span>请填写具体说明</span></span></label>
+                    </div>
+                </fieldset>
+                <div class="agreement-field">
+                    <label for="agreement-archive-note">归档说明</label>
+                    <textarea class="agreement-control" id="agreement-archive-note" name="archive_note" rows="3" maxlength="200" placeholder="选择“其他”时必填，其他原因可选填" aria-describedby="agreement-archive-error"></textarea>
+                </div>
+                <p class="agreement-form-error" id="agreement-archive-error" role="alert" data-archive-error></p>
+            </form>
+            <footer class="agreement-modal__footer">
+                <button class="agreement-button" type="button" data-archive-modal-close>取消</button>
+                <button class="agreement-button agreement-button--primary" type="submit" form="agreement-archive-confirm-form" data-archive-confirm><span class="material-icons-outlined" aria-hidden="true">archive</span>确认归档</button>
+            </footer>
+        </section>
+    </div>
+
     <p class="sr-only" role="status" aria-live="polite" data-agreement-announcer></p>
 
     <script>
@@ -1993,6 +2125,11 @@
             var form = root.querySelector('[data-agreement-form]');
             var announcer = root.querySelector('[data-agreement-announcer]');
             var subjectModal = root.querySelector('[data-subject-modal]');
+            var archiveModal = root.querySelector('[data-archive-modal]');
+            var archiveConfirmForm = root.querySelector('[data-archive-confirm-form]');
+            var archiveTargetForm = null;
+            var lastArchiveTrigger = null;
+            var taskLoadRequest = 0;
             var subjectList = root.querySelector('[data-subject-list]');
             var subjectForm = root.querySelector('[data-subject-form]');
             var subjectSelect = root.querySelector('[data-signing-subject-select]');
@@ -2051,6 +2188,142 @@
                 }
             }
 
+            function closeArchiveModal() {
+                archiveModal.hidden = true;
+                archiveModal.setAttribute('aria-hidden', 'true');
+                archiveTargetForm = null;
+                if (lastArchiveTrigger && lastArchiveTrigger.isConnected) {
+                    lastArchiveTrigger.focus();
+                }
+            }
+
+            function openArchiveModal(button) {
+                archiveTargetForm = button.closest('[data-archive-form]');
+                lastArchiveTrigger = button;
+                archiveConfirmForm.reset();
+                archiveConfirmForm.querySelector('[data-archive-error]').textContent = '';
+                archiveConfirmForm.querySelector('textarea').removeAttribute('aria-invalid');
+                archiveConfirmForm.querySelector('[data-archive-task-number]').textContent = archiveTargetForm.dataset.taskNumber;
+                archiveModal.hidden = false;
+                archiveModal.setAttribute('aria-hidden', 'false');
+                archiveConfirmForm.querySelector('input:checked').focus();
+            }
+
+            async function loadTasks(url, options) {
+                var requestId = ++taskLoadRequest;
+                var panel = root.querySelector('[data-agreement-panel="tasks"]');
+                var focused = panel.contains(document.activeElement) ? document.activeElement : null;
+                var focusedId = focused ? focused.id : '';
+                var focusedScope = focused ? focused.dataset.taskScope : '';
+                panel.setAttribute('aria-busy', 'true');
+                panel.querySelector('[data-task-load-error]').textContent = '';
+                try {
+                    var response = await fetch(url.toString(), {
+                        credentials: 'same-origin',
+                        headers: { 'Accept': 'text/html', 'X-Requested-With': 'XMLHttpRequest' }
+                    });
+                    if (!response.ok) {
+                        throw new Error('任务列表加载失败');
+                    }
+                    var doc = new DOMParser().parseFromString(await response.text(), 'text/html');
+                    var nextPanel = doc.querySelector('[data-agreement-panel="tasks"]');
+                    if (!nextPanel) {
+                        throw new Error('任务列表不可用');
+                    }
+                    if (requestId !== taskLoadRequest) {
+                        return;
+                    }
+                    panel.replaceChildren.apply(panel, Array.prototype.slice.call(nextPanel.childNodes));
+                    var nextFocus = focusedId ? document.getElementById(focusedId) : (focusedScope ? panel.querySelector('[data-task-scope="' + focusedScope + '"]') : null);
+                    if (nextFocus && document.activeElement === document.body) {
+                        nextFocus.focus();
+                    }
+                    if (!options || options.updateUrl !== false) {
+                        window.history.pushState({ agreementView: 'tasks' }, '', url.toString());
+                    }
+                    announce('签署任务列表已更新');
+                } catch (error) {
+                    if (requestId === taskLoadRequest) {
+                        panel.querySelector('[data-task-load-error]').textContent = '任务列表加载失败，已保留原列表。请重新查询。';
+                    }
+                } finally {
+                    if (requestId === taskLoadRequest) {
+                        panel.removeAttribute('aria-busy');
+                    }
+                }
+            }
+
+            root.addEventListener('click', function (event) {
+                if (event.target.closest('[data-start-agreement]')) {
+                    showTab('create');
+                    refreshPreview();
+                    return;
+                }
+                var archiveOpen = event.target.closest('[data-archive-open]');
+                if (archiveOpen) {
+                    openArchiveModal(archiveOpen);
+                    return;
+                }
+                if (event.target.closest('[data-archive-modal-close]')) {
+                    closeArchiveModal();
+                    return;
+                }
+                var panel = event.target.closest('[data-agreement-panel="tasks"]');
+                if (!panel) {
+                    return;
+                }
+                var link = event.target.closest('a[href]');
+                if (link && !event.ctrlKey && !event.metaKey && !event.shiftKey && event.button === 0) {
+                    var url = new URL(link.href);
+                    if (url.origin === window.location.origin && url.pathname === window.location.pathname) {
+                        event.preventDefault();
+                        url.searchParams.set('agreement_view', 'tasks');
+                        loadTasks(url);
+                    }
+                }
+                if (event.target.closest('[data-task-reset]')) {
+                    var resetUrl = new URL(window.location.href);
+                    ['agreement_search', 'agreement_status', 'agreement_type', 'agreement_task_page', 'agreement_quote_page', 'agreement_page'].forEach(function (key) {
+                        resetUrl.searchParams.delete(key);
+                    });
+                    resetUrl.searchParams.set('agreement_view', 'tasks');
+                    loadTasks(resetUrl);
+                }
+            });
+
+            root.addEventListener('submit', function (event) {
+                if (!event.target.matches('[data-task-filter-form]')) {
+                    return;
+                }
+                event.preventDefault();
+                var url = new URL(event.target.action);
+                new FormData(event.target).forEach(function (value, key) {
+                    if (value !== '') {
+                        url.searchParams.set(key, value);
+                    }
+                });
+                loadTasks(url);
+            });
+
+            archiveConfirmForm.addEventListener('submit', function (event) {
+                event.preventDefault();
+                if (!archiveTargetForm) {
+                    return;
+                }
+                var code = archiveConfirmForm.querySelector('input[name="archive_reason_code"]:checked').value;
+                var note = archiveConfirmForm.querySelector('textarea[name="archive_note"]');
+                if (code === 'other' && !note.value.trim()) {
+                    archiveConfirmForm.querySelector('[data-archive-error]').textContent = '选择“其他”时请填写归档说明。';
+                    note.setAttribute('aria-invalid', 'true');
+                    note.focus();
+                    return;
+                }
+                archiveTargetForm.querySelector('[data-archive-reason-code]').value = code;
+                archiveTargetForm.querySelector('[data-archive-note]').value = note.value.trim();
+                root.querySelector('[data-archive-confirm]').disabled = true;
+                archiveTargetForm.requestSubmit();
+            });
+
             function subjectUrl(template, id) {
                 return template.replace('__subject__', encodeURIComponent(String(id)));
             }
@@ -2981,13 +3254,6 @@
                 });
             });
 
-            root.querySelectorAll('[data-start-agreement]').forEach(function (button) {
-                button.addEventListener('click', function () {
-                    showTab('create');
-                    refreshPreview();
-                });
-            });
-
             root.querySelectorAll('[data-subject-manage-open]').forEach(function (button) {
                 button.addEventListener('click', function () {
                     openSubjectModal();
@@ -3180,22 +3446,33 @@
                 }
             });
 
-            root.querySelector('[data-task-reset]').addEventListener('click', function () {
-                var url = new URL(window.location.href);
-                ['agreement_search', 'agreement_status', 'agreement_type', 'agreement_task_page', 'agreement_quote_page', 'agreement_page'].forEach(function (key) {
-                    url.searchParams.delete(key);
-                });
-                url.searchParams.set('agreement_view', 'tasks');
-                window.location.assign(url.toString());
-            });
-
             window.addEventListener('popstate', function () {
                 var url = new URL(window.location.href);
                 var view = url.searchParams.get('agreement_view') || 'tasks';
                 showTab(view, { updateUrl: false });
+                loadTasks(url, { updateUrl: false });
             });
 
             window.addEventListener('keydown', function (event) {
+                if (!archiveModal.hidden) {
+                    if (event.key === 'Escape') {
+                        closeArchiveModal();
+                    } else if (event.key === 'Tab') {
+                        var controls = Array.prototype.filter.call(archiveModal.querySelectorAll('button, input, textarea'), function (control) {
+                            return !control.disabled && (control.type !== 'radio' || control.checked);
+                        });
+                        var first = controls[0];
+                        var last = controls[controls.length - 1];
+                        if (event.shiftKey && document.activeElement === first) {
+                            event.preventDefault();
+                            last.focus();
+                        } else if (!event.shiftKey && document.activeElement === last) {
+                            event.preventDefault();
+                            first.focus();
+                        }
+                    }
+                    return;
+                }
                 if (event.key === 'Escape' && subjectModal && !subjectModal.hidden) {
                     closeSubjectModal();
                 }
diff --git a/tests/Feature/Business/AgreementSigningPageTest.php b/tests/Feature/Business/AgreementSigningPageTest.php
index 10bb44b0..bb5b12e7 100644
--- a/tests/Feature/Business/AgreementSigningPageTest.php
+++ b/tests/Feature/Business/AgreementSigningPageTest.php
@@ -38,7 +38,7 @@ class AgreementSigningPageTest extends FeatureTestCase
             ->assertSeeText('发起签章')
             ->assertSeeText('模板管理')
             ->assertSeeText(EsignClient::configured() ? 'E签宝已连接' : 'E签宝未连接')
-            ->assertSeeText('还没有协议签署任务')
+            ->assertSeeText('暂无待处理任务')
             ->assertSeeText('收款账户变更证明.doc')
             ->assertSeeText('收款账户证明文件.doc')
             ->assertSeeText('公司主体变更证明.docx')
@@ -225,6 +225,77 @@ class AgreementSigningPageTest extends FeatureTestCase
             ->assertDontSeeText('没有匹配的签署任务');
     }
 
+    public function testAgreementSigningPageSeparatesActiveAndArchivedTasksForBothDocumentSources(): void
+    {
+        $this->grantWorkspaceAccess();
+        $this->createAgreementTask(['business_no' => 'AGR-ACTIVE', 'status' => CourierAgreementSignature::STATUS_COMPLETED]);
+        $this->createAgreementTask(['business_no' => 'AGR-ARCHIVED', 'status' => CourierAgreementSignature::STATUS_ARCHIVED]);
+        $this->createQuoteSignature('QB-ACTIVE', CourierQuoteSignature::STATUS_SIGNING, '测试快递');
+        $this->createQuoteSignature('QB-ARCHIVED', CourierQuoteSignature::STATUS_ARCHIVED, '测试快递');
+
+        $this->loginAs();
+        $url = route('business.pages.show', ['section' => 'courier-payables', 'page' => 'agreement-signing']);
+        $this->get($url)->assertOk()
+            ->assertSeeText('AGR-ACTIVE')->assertSeeText('QB-ACTIVE')
+            ->assertDontSeeText('AGR-ARCHIVED')->assertDontSee('<td>QB-ARCHIVED</td>', false);
+        $this->get($url . '?agreement_scope=archived')->assertOk()
+            ->assertSeeText('AGR-ARCHIVED')->assertSeeText('QB-ARCHIVED')
+            ->assertDontSeeText('AGR-ACTIVE')->assertDontSee('<td>QB-ACTIVE</td>', false);
+        $this->get($url . '?agreement_scope=all')->assertOk()
+            ->assertSeeText('AGR-ACTIVE')->assertSeeText('QB-ACTIVE')
+            ->assertSeeText('AGR-ARCHIVED')->assertSeeText('QB-ARCHIVED');
+        // An explicit scope remains authoritative even if a stale URL has a
+        // conflicting status filter; archived rows never enter the inbox.
+        $this->get($url . '?agreement_scope=active&agreement_status=archived')->assertOk()
+            ->assertDontSeeText('AGR-ARCHIVED')->assertDontSee('<td>QB-ARCHIVED</td>', false);
+        $this->get($url . '?agreement_scope=archived&agreement_status=signing')->assertOk()
+            ->assertDontSeeText('AGR-ACTIVE')->assertDontSee('<td>QB-ACTIVE</td>', false);
+    }
+
+    public function testArchivedTaskShowsMetadataAndAllAvailableFilesWithoutReadingLegacyPayload(): void
+    {
+        $this->grantWorkspaceAccess();
+        $archived = $this->createAgreementTask([
+            'business_no' => 'AGR-ARCHIVE-META',
+            'status' => CourierAgreementSignature::STATUS_ARCHIVED,
+            'archived_at' => '2026-10-10 12:34:00',
+            'payload' => ['archive_reason' => '财务已确认：核对完成'],
+            'signed_pdf_path' => 'history/signed.pdf',
+            'certificate_path' => 'history/certificate.pdf',
+        ]);
+        $legacy = $this->createAgreementTask(['business_no' => 'AGR-ARCHIVE-LEGACY', 'status' => CourierAgreementSignature::STATUS_ARCHIVED]);
+        DB::table('business_courier_agreement_signatures')->where('id', $legacy->id)->update(['payload' => 'unreadable-legacy-payload']);
+
+        $this->loginAs()->get(route('business.pages.show', [
+            'section' => 'courier-payables', 'page' => 'agreement-signing', 'agreement_scope' => 'archived',
+        ]))->assertOk()
+            ->assertSeeText('2026-10-10 12:34')->assertSeeText('财务已确认：核对完成')
+            ->assertSeeText('AGR-ARCHIVE-LEGACY')->assertSeeText('未记录说明')
+            ->assertSee(route('business.courier-agreement-signatures.download', [$archived, 'source']), false)
+            ->assertSee(route('business.courier-agreement-signatures.download', [$archived, 'signed']), false)
+            ->assertSee(route('business.courier-agreement-signatures.download', [$archived, 'certificate']), false)
+            ->assertDontSee('data-archive-open title=', false);
+    }
+
+    public function testArchivedScopeRetainsSearchAndPaginationForMoreThanOnePage(): void
+    {
+        $this->grantWorkspaceAccess();
+        for ($i = 1; $i <= 55; $i++) {
+            $this->createAgreementTask([
+                'business_no' => 'AGR-PAGED-' . str_pad((string) $i, 3, '0', STR_PAD_LEFT),
+                'status' => CourierAgreementSignature::STATUS_ARCHIVED,
+            ]);
+        }
+        $response = $this->loginAs()->get(route('business.pages.show', [
+            'section' => 'courier-payables', 'page' => 'agreement-signing',
+            'agreement_scope' => 'archived', 'agreement_search' => 'AGR-PAGED-', 'agreement_task_page' => 2,
+        ]))->assertOk()->assertSeeText('AGR-PAGED-001')->assertDontSeeText('AGR-PAGED-055');
+        $this->assertSame(55, $response->viewData('agreementTasks')->total());
+        $this->assertCount(5, $response->viewData('agreementTasks')->items());
+        $this->assertStringContainsString('agreement_scope=archived', $response->viewData('agreementTasks')->url(1));
+        $this->assertStringContainsString('agreement_search=AGR-PAGED-', $response->viewData('agreementTasks')->url(1));
+    }
+
     public function testAgreementSigningPageDistinguishesDefinitiveFailureFromUnknownResult(): void
     {
         $this->grantWorkspaceAccess();
diff --git a/tests/Feature/Business/CourierAgreementSignatureWorkflowTest.php b/tests/Feature/Business/CourierAgreementSignatureWorkflowTest.php
index f91b66bf..fffc0b95 100644
--- a/tests/Feature/Business/CourierAgreementSignatureWorkflowTest.php
+++ b/tests/Feature/Business/CourierAgreementSignatureWorkflowTest.php
@@ -1124,6 +1124,100 @@ class CourierAgreementSignatureWorkflowTest extends FeatureTestCase
         $this->assertSame('file-server-error', $signature->esign_file_id);
     }
 
+    public function test_manual_archive_requires_a_valid_reason_and_other_requires_a_non_blank_note(): void
+    {
+        Http::fake();
+        $signature = $this->agreementSignature([
+            'status' => CourierAgreementSignature::STATUS_COMPLETED, 'remote_status' => '2',
+            'esign_sign_flow_id' => 'flow-manual', 'payload' => ['archive_mode' => 'manual'],
+        ]);
+        foreach ([
+            [[], 'archive_reason_code'],
+            [['archive_reason_code' => 'invalid'], 'archive_reason_code'],
+            [['archive_reason_code' => 'other'], 'archive_note'],
+            [['archive_reason_code' => 'other', 'archive_note' => '   '], 'archive_note'],
+            [['archive_reason_code' => 'confirmed', 'archive_note' => str_repeat('字', 201)], 'archive_note'],
+        ] as [$data, $field]) {
+            $this->withExceptionHandling()->loginAs()
+                ->post(route('business.courier-agreement-signatures.archive', $signature), $data)
+                ->assertSessionHasErrors($field);
+            $this->assertSame(CourierAgreementSignature::STATUS_COMPLETED, $signature->fresh()->status);
+        }
+        Http::assertNothingSent();
+    }
+
+    public function test_manual_archive_persists_reason_and_keeps_all_files_downloadable(): void
+    {
+        $signature = $this->agreementSignature([
+            'status' => CourierAgreementSignature::STATUS_COMPLETED, 'remote_status' => '2',
+            'esign_sign_flow_id' => 'flow-manual',
+            'payload' => ['archive_mode' => 'manual', 'signing_subject' => $this->company->name],
+        ]);
+        $this->fakeArchiveDownload();
+        Storage::disk('uploads')->put($signature->source_pdf_path, '%PDF-original');
+        $this->loginAs()->post(route('business.courier-agreement-signatures.archive', $signature), [
+            'archive_reason_code' => 'confirmed', 'archive_note' => ' 已核对签章及账号 ',
+        ])->assertRedirect();
+        $signature->refresh();
+        $this->assertSame(CourierAgreementSignature::STATUS_ARCHIVED, $signature->status);
+        $this->assertSame('财务已确认：已核对签章及账号', $signature->payload['archive_reason']);
+        $this->assertSame($this->company->name, $signature->payload['signing_subject']);
+        $this->assertNotNull($signature->archived_at);
+        $this->assertSame(hash('sha256', '%PDF-signed'), $signature->signed_pdf_sha256);
+        $this->assertSame(hash('sha256', '%PDF-certificate'), $signature->certificate_sha256);
+        foreach (['source', 'signed', 'certificate'] as $kind) {
+            $this->get(route('business.courier-agreement-signatures.download', [$signature, $kind]))->assertOk()->assertDownload();
+        }
+        $this->get(route('business.pages.show', ['section' => 'courier-payables', 'page' => 'agreement-signing']))
+            ->assertOk()->assertDontSeeText($signature->business_no);
+        $this->get(route('business.pages.show', ['section' => 'courier-payables', 'page' => 'agreement-signing', 'agreement_scope' => 'archived']))
+            ->assertOk()->assertSeeText($signature->business_no)->assertSeeText('财务已确认：已核对签章及账号');
+    }
+
+    public function test_manual_archive_preserves_unreadable_legacy_payload_and_still_archives_files(): void
+    {
+        $signature = $this->agreementSignature([
+            'status' => CourierAgreementSignature::STATUS_COMPLETED, 'remote_status' => '2',
+            'esign_sign_flow_id' => 'flow-manual',
+        ]);
+        $signature->getConnection()->table($signature->getTable())->where('id', $signature->id)
+            ->update(['payload' => 'unreadable-legacy-payload']);
+        $this->fakeArchiveDownload();
+        $this->loginAs()->post(route('business.courier-agreement-signatures.archive', $signature), [
+            'archive_reason_code' => 'backfill',
+        ])->assertRedirect();
+        $signature->refresh();
+        $this->assertSame(CourierAgreementSignature::STATUS_ARCHIVED, $signature->status);
+        $this->assertSame('unreadable-legacy-payload', $signature->getRawOriginal('payload'));
+        $this->assertSame('', $signature->archiveReason());
+        Storage::disk('uploads')->assertExists($signature->signed_pdf_path);
+    }
+
+    public function test_manual_archive_rejects_an_incomplete_flow_before_downloading(): void
+    {
+        Http::fake();
+        $signature = $this->agreementSignature(['status' => CourierAgreementSignature::STATUS_SIGNING, 'remote_status' => '1']);
+        $this->withExceptionHandling()->loginAs()->post(route('business.courier-agreement-signatures.archive', $signature), [
+            'archive_reason_code' => 'completed',
+        ])->assertStatus(422);
+        Http::assertNothingSent();
+    }
+
+    private function fakeArchiveDownload(): void
+    {
+        Http::fake([
+            'https://smlopenapi.esign.test/v3/sign-flow/flow-manual/file-download-url' => Http::response([
+                'code' => 0,
+                'data' => [
+                    'files' => [['downloadUrl' => 'https://download.esign.test/manual-signed']],
+                    'certificateDownloadUrl' => 'https://download.esign.test/manual-certificate',
+                ],
+            ]),
+            'https://download.esign.test/manual-signed' => Http::response('%PDF-signed'),
+            'https://download.esign.test/manual-certificate' => Http::response('%PDF-certificate'),
+        ]);
+    }
+
     private function fakeEsign(): void
     {
         Http::fake(function (ClientRequest $request) {