Add minimal admin UI with JSON editor and live preview iframe
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<!doctype html>
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<html lang="de">
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<head>
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<meta charset="utf-8" />
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<title>Club Builder Admin</title>
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<style>
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body {
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margin: 0;
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font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
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background: #111827;
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color: #e5e7eb;
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display: flex;
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height: 100vh;
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overflow: hidden;
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}
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.sidebar {
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width: 220px;
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border-right: 1px solid #1f2937;
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background: #020617;
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padding: 0.75rem;
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box-sizing: border-box;
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display: flex;
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flex-direction: column;
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gap: 0.5rem;
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}
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.sidebar h1 {
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font-size: 1rem;
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margin: 0 0 0.5rem 0;
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color: #f9fafb;
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}
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.page-list {
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list-style: none;
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padding: 0;
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margin: 0;
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flex: 1;
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overflow-y: auto;
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}
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.page-list li {
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margin-bottom: 0.25rem;
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}
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.page-btn {
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width: 100%;
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text-align: left;
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background: #0f172a;
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color: #e5e7eb;
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border: 1px solid transparent;
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border-radius: 0.4rem;
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padding: 0.35rem 0.5rem;
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font-size: 0.85rem;
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cursor: pointer;
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}
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.page-btn.active {
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background: #111827;
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border-color: #4b5563;
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}
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.main {
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flex: 1;
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display: flex;
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flex-direction: row;
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min-width: 0;
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}
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.editor {
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flex: 1;
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display: flex;
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flex-direction: column;
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padding: 0.75rem;
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box-sizing: border-box;
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border-right: 1px solid #1f2937;
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min-width: 0;
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}
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.editor-header {
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display: flex;
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align-items: center;
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gap: 0.5rem;
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margin-bottom: 0.5rem;
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}
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.editor-header span {
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font-size: 0.9rem;
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color: #9ca3af;
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}
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.editor textarea {
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flex: 1;
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width: 100%;
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resize: none;
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border-radius: 0.4rem;
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border: 1px solid #374151;
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background: #020617;
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color: #e5e7eb;
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padding: 0.5rem;
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font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
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font-size: 0.8rem;
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box-sizing: border-box;
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}
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.editor button {
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padding: 0.25rem 0.7rem;
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border-radius: 999px;
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border: none;
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cursor: pointer;
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font-size: 0.8rem;
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}
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.btn-primary {
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background: #10b981;
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color: #022c22;
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}
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.btn-primary:disabled {
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opacity: 0.5;
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cursor: default;
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}
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.status {
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font-size: 0.75rem;
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color: #9ca3af;
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margin-left: auto;
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}
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.preview {
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width: 45%;
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min-width: 320px;
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display: flex;
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flex-direction: column;
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box-sizing: border-box;
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}
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.preview-header {
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padding: 0.5rem 0.75rem;
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border-bottom: 1px solid #1f2937;
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font-size: 0.85rem;
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color: #9ca3af;
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background: #020617;
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}
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.preview iframe {
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flex: 1;
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width: 100%;
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border: none;
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background: #000;
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}
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</style>
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</head>
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<body>
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<aside class="sidebar">
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<h1>Pages</h1>
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<ul class="page-list" id="page-list"></ul>
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</aside>
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<main class="main">
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<section class="editor">
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<div class="editor-header">
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<span id="editor-title">No page selected</span>
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<button class="btn-primary" id="save-btn" disabled>Save</button>
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<span class="status" id="status"></span>
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</div>
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<textarea id="json-editor" placeholder="Select a page from the left…"></textarea>
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</section>
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<section class="preview">
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<div class="preview-header">
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Preview: <span id="preview-label">–</span>
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</div>
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<iframe id="preview-frame" src="about:blank"></iframe>
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</section>
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</main>
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<script>
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// Same origin: /api/... and /preview/... on builder-preview.clubdaguerre.de
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const API_BASE = '';
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const pageListEl = document.getElementById('page-list');
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const editorTitleEl = document.getElementById('editor-title');
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const previewLabelEl = document.getElementById('preview-label');
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const previewFrameEl = document.getElementById('preview-frame');
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const jsonEditorEl = document.getElementById('json-editor');
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const saveBtnEl = document.getElementById('save-btn');
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const statusEl = document.getElementById('status');
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let currentSlug = null;
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async function loadPages() {
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const res = await fetch(API_BASE + '/api/pages');
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const pages = await res.json();
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pageListEl.innerHTML = '';
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pages.forEach(page => {
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const li = document.createElement('li');
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const btn = document.createElement('button');
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btn.className = 'page-btn';
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btn.textContent = page.title || page.slug || '(untitled)';
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btn.dataset.slug = page.slug;
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btn.onclick = () => selectPage(page.slug, btn);
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li.appendChild(btn);
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pageListEl.appendChild(li);
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});
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}
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async function selectPage(slug, buttonEl) {
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currentSlug = slug;
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statusEl.textContent = 'Loading…';
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saveBtnEl.disabled = true;
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document.querySelectorAll('.page-btn').forEach(b => b.classList.remove('active'));
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if (buttonEl) buttonEl.classList.add('active');
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const res = await fetch(API_BASE + '/api/pages/' + encodeURIComponent(slug));
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const data = await res.json();
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editorTitleEl.textContent = slug;
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previewLabelEl.textContent = slug;
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jsonEditorEl.value = JSON.stringify(data, null, 2);
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saveBtnEl.disabled = false;
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statusEl.textContent = 'Loaded';
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previewFrameEl.src = API_BASE + '/preview/' + encodeURIComponent(slug) + '/';
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}
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async function saveCurrent() {
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if (!currentSlug) return;
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let parsed;
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try {
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parsed = JSON.parse(jsonEditorEl.value);
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} catch (e) {
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alert('JSON is invalid: ' + e.message);
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return;
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}
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saveBtnEl.disabled = true;
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statusEl.textContent = 'Saving…';
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const res = await fetch(API_BASE + '/api/pages/' + encodeURIComponent(currentSlug), {
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method: 'PUT',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify(parsed),
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});
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if (!res.ok) {
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statusEl.textContent = 'Error: ' + res.status;
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saveBtnEl.disabled = false;
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return;
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}
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statusEl.textContent = 'Saved';
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saveBtnEl.disabled = false;
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// refresh preview
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previewFrameEl.src = API_BASE + '/preview/' + encodeURIComponent(currentSlug) + '/';
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}
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jsonEditorEl.addEventListener('input', () => {
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if (!currentSlug) return;
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statusEl.textContent = 'Changed (not saved)';
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});
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saveBtnEl.addEventListener('click', saveCurrent);
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loadPages().catch(err => {
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console.error(err);
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statusEl.textContent = 'Error loading pages';
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});
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</script>
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</body>
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</html>
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