refactor: replace Quill editor with read-only description preview

Description is managed by portal admin (via CLI/DB), not editable in form.
Office manager edits only structured fields (title, date, time, prices, etc).
New events still get a plain textarea for initial description.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

templates/calendar/admin_new.html

@@ -3,16 +3,20 @@
 {% block title %}Nowe wydarzenie - Norda Biznes Partner{% endblock %}
 
 {% block extra_css %}
-<link rel="stylesheet" href="{{ url_for('static', filename='css/quill.snow.css') }}">
 <style>
     .form-container {
         max-width: 700px;
         margin: 0 auto;
     }
 
-    .quill-container .ql-toolbar { border-radius: var(--radius) var(--radius) 0 0; border-color: var(--border); }
+    .description-preview {
-    .quill-container .ql-container { border-radius: 0 0 var(--radius) var(--radius); border-color: var(--border); min-height: 150px; font-size: var(--font-size-base); }
+        padding: var(--spacing-md); background: var(--background);
-    .quill-container .ql-editor { min-height: 150px; }
+        border: 1px solid var(--border); border-radius: var(--radius);
+        font-size: var(--font-size-sm); line-height: 1.6; max-height: 300px; overflow-y: auto;
+    }
+    .description-preview h3 { font-size: 1em; margin: 12px 0 4px; }
+    .description-preview ul, .description-preview ol { padding-left: 20px; margin: 4px 0; }
+    .description-preview p { margin: 4px 0; }
 
     .form-header {
         margin-bottom: var(--spacing-xl);
@@ -149,10 +153,12 @@
 
             <div class="form-group">
                 <label>Opis</label>
-                <div class="quill-container">
+                {% if event and event.description %}
-                    <div id="quill-editor"></div>
+                <div class="description-preview">{{ event.description|safe }}</div>
-                </div>
+                <div class="form-hint">Opis wydarzenia jest zarządzany przez administratora portalu. Aby zmienić treść opisu, skontaktuj się z administratorem.</div>
-                <input type="hidden" id="description" name="description" value="">
+                {% else %}
+                <textarea id="description" name="description" rows="4" placeholder="Opisz co będzie się działo na wydarzeniu..."></textarea>
+                {% endif %}
             </div>
 
             <div class="form-row">
@@ -286,37 +292,4 @@
     paidCb.addEventListener('change', togglePaid);
     togglePaid();
 })();
-</script>
-<script src="{{ url_for('static', filename='js/vendor/quill.js') }}"></script>
-<script>
-(function() {
-    var quill = new Quill('#quill-editor', {
-        theme: 'snow',
-        placeholder: 'Opisz co będzie się działo na wydarzeniu...',
-        modules: {
-            toolbar: [
-                [{'header': [2, 3, false]}],
-                ['bold', 'italic', 'underline'],
-                [{'list': 'ordered'}, {'list': 'bullet'}],
-                ['link'],
-                ['clean']
-            ]
-        }
-    });
-
-    {% if event and event.description %}
-    quill.clipboard.dangerouslyPasteHTML({{ event.description|tojson }});
-    {% endif %}
-
-    // Sync Quill content to hidden input on form submit
-    var form = document.querySelector('.form-card form');
-    form.addEventListener('submit', function() {
-        // Read from Quill's getContents and convert back to HTML
-        // to preserve Quill's internal format (lists as class="ql-indent")
-        var html = quill.root.innerHTML;
-        // Don't save empty editor
-        if (html === '<p><br></p>') html = '';
-        document.getElementById('description').value = html;
-    });
-})();
 {% endblock %}