整理文件夹及架构，加入打印机页面，octo反代有问题

app/templates/admin/users.html

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+{% extends "base.html" %}
+
+{% block content %}
+<div class="d-flex justify-content-between flex-wrap flex-md-nowrap align-items-center pt-3 pb-2 mb-3 border-bottom">
+    <h1 class="h2">{{ _('User Management') }}</h1>
+</div>
+
+<div class="table-responsive">
+    <table class="table table-striped table-sm">
+        <thead>
+            <tr>
+                <th>{{ _('ID') }}</th>
+                <th>{{ _('Username') }}</th>
+                <th>{{ _('Role') }}</th>
+                <th>{{ _('Created At') }}</th>
+                <th>{{ _('Actions') }}</th>
+            </tr>
+        </thead>
+        <tbody>
+            {% for user in users %}
+            <tr>
+                <td>{{ user.id }}</td>
+                <td>{{ user.username }}</td>
+                <td>
+                    {% if user.is_admin %}
+                        <span class="badge bg-danger">{{ _('Admin') }}</span>
+                    {% elif user.is_guest %}
+                        <span class="badge bg-secondary">{{ _('Guest') }}</span>
+                    {% else %}
+                        <span class="badge bg-primary">{{ _('User') }}</span>
+                    {% endif %}
+                </td>
+                <td>{{ user.created_at.strftime('%Y-%m-%d %H:%M') }}</td>
+                <td>
+                    <form action="{{ url_for('admin.delete_user', user_id=user.id) }}" method="POST" class="d-inline" onsubmit="event.preventDefault(); window.customConfirm('{{ _('WARNING: Are you sure you want to permanently delete this user AND ALL their uploaded files and G-codes?') }}', () => { this.submit(); });">
+                        <button type="submit" class="btn btn-sm btn-outline-danger" {% if user.id == current_user.id %}disabled{% endif %}>{{ _('Delete') }}</button>
+                    </form>
+                </td>
+            </tr>
+            {% endfor %}
+        </tbody>
+    </table>
+</div>
+{% endblock %}