{% extends 'base.html' %}{% block content %}<h1>Batch update approved metadata</h1><p>Download current records, edit existing fields, then upload. Keep Record_ID and Revision unchanged. You may include only the rows to update. Blank optional fields clear those values. No records are added or deleted.</p><p><a class="button" href="?download=xlsx">Download current Excel</a> <a class="button" href="?download=tsv">Download current TSV</a></p>{% for error in errors %}<p class="error">{{ error }}</p>{% endfor %}{% if preview %}<h2>Review changes</h2>{% for row in preview %}<h3>{{ row.name }}</h3><table><tr><th>Field</th><th>Current</th><th>New</th></tr>{% for change in row.fields %}<tr><td>{{ change.field }}</td><td>{{ change.before|default:'—' }}</td><td>{{ change.after|default:'—' }}</td></tr>{% empty %}<tr><td>No changes</td></tr>{% endfor %}</table>{% endfor %}<form method="post">{% csrf_token %}<button class="primary" name="confirm" value="1">Confirm batch update</button></form>{% endif %}<form method="post" enctype="multipart/form-data">{% csrf_token %}<p><label>Updated Excel / TSV<input type="file" name="file" accept=".xlsx,.tsv" required></label></p><button>Validate and preview changes</button></form>{% endblock %}