feat: preserve supplier page state during local navigation

resources/views/business/pages/show.blade.php

@@ -546,6 +546,7 @@
                 'business-page--marketing-account-balance' => $isMarketingAccountBalancePage,
             ])
             @if ($isMarketingAccountBillsPage) data-marketing-account-bills-workspace @endif
+            @if ($section['slug'] === 'supplier-payables') data-supplier-workspace @endif
         >
             @if ($isMarketingAccountBillsPage)
                 <p class="sr-only" role="status" aria-live="polite" data-marketing-account-bills-status></p>

resources/views/business/pages/supplier-payables/local-navigation.blade.php

@@ -0,0 +1,78 @@
+@push('body_end')
+<script>
+(() => {
+    const selector = '[data-supplier-workspace]';
+    const initial = document.querySelector(selector);
+    if (!initial) return;
+    const cache = new Map();
+    const loaded = new Set([...document.scripts].map(script => script.src));
+    let current = location.href;
+    let pending = false;
+    const heading = document.querySelector('#main-body h1');
+    const remember = () => cache.set(current, {
+        node: document.querySelector(selector),
+        title: document.title,
+        heading: heading ? heading.innerHTML : '',
+    });
+    remember();
+
+    async function navigate(href, push = true) {
+        if (pending) return;
+        const previous = document.querySelector(selector);
+        pending = true;
+        previous.setAttribute('aria-busy', 'true');
+        const status = previous.querySelector('[data-supplier-navigation-status]');
+        status.textContent = '正在加载…';
+        try {
+            let next = cache.get(href);
+            let scripts = [];
+            if (!next) {
+                const response = await fetch(href, {credentials: 'same-origin', headers: {Accept: 'text/html'}});
+                if (!response.ok) throw new Error('HTTP ' + response.status);
+                const doc = new DOMParser().parseFromString(await response.text(), 'text/html');
+                const node = doc.querySelector(selector);
+                if (!node) throw new Error('页面不可用或登录已过期');
+                scripts = [...doc.querySelectorAll('script[src]')].map(s => s.src)
+                    .filter(src => new URL(src).origin === location.origin && new URL(src).pathname.startsWith('/public/js/ecommerce-finance/') && !loaded.has(src));
+                next = {node: document.importNode(node, true), title: doc.title, heading: doc.querySelector('#main-body h1')?.innerHTML || ''};
+            }
+            remember();
+            previous.replaceWith(next.node);
+            // Keep each mounted Vue page alive while switching, preserving its filters and pagination.
+            for (const src of scripts) {
+                await new Promise((resolve, reject) => {
+                    const script = document.createElement('script');
+                    script.src = src;
+                    script.onload = () => { loaded.add(src); resolve(); };
+                    script.onerror = () => { script.remove(); reject(new Error('页面脚本加载失败')); };
+                    document.body.appendChild(script);
+                });
+            }
+            cache.set(href, next);
+            current = href;
+            document.title = next.title;
+            if (heading) heading.innerHTML = next.heading;
+            next.node.querySelector('[data-supplier-navigation-status]').textContent = '';
+            if (push && location.href !== href) history.pushState({}, '', href);
+            next.node.querySelector('.supplier-page-navigation [aria-current]')?.focus({preventScroll: true});
+        } catch (error) {
+            const visible = document.querySelector(selector);
+            if (visible !== previous) visible.replaceWith(previous);
+            status.textContent = '加载失败，原页面已保留。请重新点击目录重试。';
+        } finally {
+            previous.removeAttribute('aria-busy');
+            pending = false;
+        }
+    }
+    document.addEventListener('click', event => {
+        const link = event.target.closest('.supplier-page-navigation a');
+        if (!link || event.button !== 0 || event.ctrlKey || event.metaKey || event.shiftKey || event.altKey) return;
+        event.preventDefault();
+        navigate(link.href);
+    });
+    window.addEventListener('popstate', () => {
+        if (location.pathname.includes('/workspace/supplier-payables/')) navigate(location.href, false);
+    });
+})();
+</script>
+@endpush

resources/views/business/pages/supplier-payables/navigation.blade.php

@@ -2,6 +2,7 @@
     $supplierPages = $section['pages'] ?? [];
     $supplierCurrent = $page['slug'] ?? null;
 @endphp
+<p role="status" aria-live="polite" data-supplier-navigation-status></p>
 <nav class="business-tab-bar supplier-page-navigation" aria-label="供应商应付页面">
     @foreach ($supplierPages as $supplierPage)
         @php
@@ -29,3 +30,4 @@
     .supplier-page-navigation .business-tab-link { flex:0 0 auto; padding:10px 0; font-size:0.75rem; color:var(--vip-content-muted, #595959); }
     .supplier-page-navigation .business-tab-link.is-active { color:var(--vip-content-accent-dark, #856632); }
 </style>
+@include('business.pages.supplier-payables.local-navigation')