{
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          "block": true
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            "width": "100%"
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            {
              "label": "All Types",
              "value": "all"
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            {
              "label": "Info",
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            {
              "label": "Warning",
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            {
              "label": "Alert",
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            {
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          "size": "small"
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      "mark_all_read_btn": {
        "type": "Button",
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        "onClick": "markAllRead",
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        "props": {
          "icon": "CheckOutlined",
          "size": "middle"
        },
        "dynamic_props": {},
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      "delete_selected_btn": {
        "type": "Button",
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        "bind": null,
        "onClick": "deleteSelected",
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          "danger": true,
          "icon": "DeleteOutlined",
          "size": "middle",
          "disabled": "state.selected_ids.length === 0"
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        "dynamic_props": {},
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      },
      "notifications_card": {
        "type": "Card",
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        "props": {
          "bordered": false,
          "bodyStyle": {
            "padding": 0
          }
        },
        "dynamic_props": {},
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        "dynamic_styles": {},
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      },
      "notifications_list_component": {
        "type": "List",
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        "bind": "derived.filtered_notifications",
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        "onKeyPress": null,
        "props": {
          "itemLayout": "horizontal",
          "loading": "state.loading",
          "locale": {
            "emptyText": "No notifications"
          }
        },
        "dynamic_props": {},
        "styles": {},
        "dynamic_styles": {},
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      },
      "notification_list_item": {
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        "onClick": "markAsRead",
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        "onKeyPress": null,
        "props": {
          "style_unread": {
            "backgroundColor": "#f0f0ff"
          },
          "style_read": {
            "backgroundColor": "#ffffff"
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        },
        "dynamic_props": {},
        "styles": {
          "cursor": "pointer",
          "padding": "16px 24px",
          "borderBottom": "1px solid #f0f0f0"
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        "dynamic_styles": {},
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      "notification_icon": {
        "type": "Avatar",
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        "bind": "item.notification_type",
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          "size": 40,
          "icon_map": {
            "INFO": "InfoCircleOutlined",
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            "REMINDER": "ClockCircleOutlined",
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        },
        "dynamic_props": {},
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      "notification_content": {
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          "flex": 1
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      "notification_title_text": {
        "type": "Typography.Text",
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        "bind": "item.title",
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          "strong": true
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        "dynamic_props": {},
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          "display": "block",
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        "dynamic_styles": {},
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          "ellipsis": {
            "rows": 2
          },
          "type": "secondary"
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        "dynamic_props": {},
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          "marginBottom": "4px"
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        "dynamic_styles": {},
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      "notification_timestamp": {
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          "type": "secondary"
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          "fontSize": "12px"
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          "dot": true,
          "status": "processing"
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      "notification_checkbox": {
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          "marginRight": "12px"
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      "announcement_modal": {
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          "width": 640,
          "destroyOnClose": true,
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        "dynamic_props": {},
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      "announcement_form": {
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          "layout": "vertical"
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      "announcement_title_field": {
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          "name": "title",
          "rules": [
            {
              "required": true,
              "message": "Title is required"
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      "announcement_title_input": {
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          "placeholder": "Enter announcement title",
          "maxLength": 200
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        "dynamic_props": {},
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          "name": "message",
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            {
              "required": true,
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          "placeholder": "Enter announcement message",
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          "showCount": true
        },
        "dynamic_props": {},
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      "announcement_audience_field": {
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          "name": "target_audience"
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      "announcement_audience_select": {
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          "placeholder": "Select target audience",
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            {
              "label": "All Users",
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            {
              "label": "Administrators",
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            {
              "label": "Venue Managers",
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            },
            {
              "label": "Production Managers",
              "value": "PRODUCTION_MANAGER"
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            {
              "label": "Technical Directors",
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            {
              "label": "Staff Members",
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            {
              "label": "Performers",
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          ],
          "mode": "multiple"
        },
        "dynamic_props": {},
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          "width": "100%"
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        "dynamic_styles": {},
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      "announcement_type_field": {
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          "name": "notification_type",
          "initialValue": "INFO"
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        "dynamic_props": {},
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      "announcement_type_select": {
        "type": "Select",
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          "options": [
            {
              "label": "Info",
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              "label": "Warning",
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            {
              "label": "Alert",
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            {
              "label": "Reminder",
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            {
              "label": "Message",
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          ]
        },
        "dynamic_props": {},
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      "empty_state": {
        "type": "Empty",
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          "description": "No notifications to display"
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        "dynamic_props": {},
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          "padding": "48px 0"
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    }
  },
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        "page_header",
        "content_area"
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        "header_row"
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      "header_row": [
        "page_title",
        "unread_badge",
        "header_actions"
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      "header_actions": [
        "create_announcement_btn"
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      "content_area": [
        "filters_card",
        "notifications_card",
        "announcement_modal"
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      "filters_card": [
        "filters_row"
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      "filters_row": [
        "filter_read_status_col",
        "filter_type_col",
        "bulk_actions_col"
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      "filter_read_status_col": [
        "filter_read_status_segmented"
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        "filter_type_select"
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      "bulk_actions_col": [
        "bulk_actions_bar"
      ],
      "bulk_actions_bar": [
        "mark_all_read_btn",
        "delete_selected_btn"
      ],
      "notifications_card": [
        "notifications_list_component"
      ],
      "notifications_list_component": [
        "notification_list_item"
      ],
      "notification_list_item": [
        "notification_checkbox",
        "notification_icon",
        "notification_content",
        "notification_read_indicator"
      ],
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