Add password reset flow, attendee profile enhancements, and spec

- Add forgot_password and reset_password templates and routes
- Enhance profile.html with photo crop/zoom functionality
- Add attendee type management to edit_attendee.html
- Update templates styling and layout consistency
- Document database schema in SPEC.md
- Add CLAUDE.md project guidance

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

templates/organizer/edit_attendee.html

@@ -47,6 +47,11 @@
             </select>
         </div>
 
+        <div class="form-group checkbox-group">
+            <input type="checkbox" id="visible_to_others" name="visible_to_others" value="1" {% if attendee.visible_to_others %}checked{% endif %}>
+            <label for="visible_to_others">{{ 'visible_to_attendees'|t }}</label>
+        </div>
+
         <div class="form-actions">
             <button type="submit" class="btn btn-primary">{{ 'save_changes'|t }}</button>
             <a href="{{ url_for('organizer_dashboard') }}" class="btn btn-outline">{{ 'cancel'|t }}</a>