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add header to bubble chat#357

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mmattu-wd wants to merge 1 commit intomainfrom
feat/add-header-to-bubble-chat
Open

add header to bubble chat#357
mmattu-wd wants to merge 1 commit intomainfrom
feat/add-header-to-bubble-chat

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@mmattu-wd
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@mmattu-wd mmattu-wd commented Mar 22, 2026

FLOWISE-381

Adds new option on bot config so we can provide a header to the bubble chat.

Also fixed a small styling issue with the NodeDetailDialog when opening a execution detail with a tools call

Screenshot 2026-03-22 at 10 11 22 AM

When dialog opened with header
Screenshot 2026-03-22 at 10 11 30 AM

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Summary of Changes

Hello, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request significantly enhances the customization of the bubble chat by allowing the integration of a custom HTML header, providing a more branded and flexible user experience. Additionally, it includes a crucial styling correction for the NodeDetailDialog to ensure proper display and overlay behavior, especially when tool call details are presented within a chat environment that utilizes the new custom header.

Highlights

  • Bubble Chat Custom Header: Introduced a new configuration option (headerHtml) to allow users to provide custom HTML content that will be rendered as a header in the bubble chat window. This enhances customization capabilities for the chat interface.
  • NodeDetailDialog Styling Fix: Resolved a styling issue within the NodeDetailDialog component, specifically when displaying execution details related to tool calls. The dialog now correctly wraps content and adjusts its positioning to account for custom chat headers.
  • Improved Modal Overlay Behavior: Implemented a Portal mechanism for the NodeDetailDialog to ensure that when a custom header is present in the bubble chat, the dialog correctly overlays the entire chat window, including the header, preventing visual obstructions.
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{/* Tool role: show tool name and tool_call_id */}
<Show when={role === 'tool' && msg.name}>
<div style={{ display: 'flex', 'align-items': 'center', gap: '8px', 'margin-top': '4px' }}>
<div style={{ display: 'flex', 'align-items': 'center', gap: '8px', 'margin-top': '4px', 'flex-wrap': 'wrap' }}>
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This was the styling fix for tools calls:
Before
Image

After
Image

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Code Review

This pull request introduces a new feature allowing a custom HTML header to be added to the chat bubble. The implementation correctly uses DOMPurify to sanitize the HTML, preventing potential XSS vulnerabilities. Additionally, it includes a styling fix for the NodeDetailDialog to handle long tool call details gracefully. The changes are well-implemented, with necessary adjustments to layout and component properties to support the new header. I have one minor suggestion to improve code clarity by replacing a magic number with a named constant.

// In bubble mode with a custom header, the modal should cover the popup including the
// chat header — some padding offset is needed. In all other cases (full page or bubble
// without a custom header) we offset by CHAT_HEADER_HEIGHT to clear the chat title bar.
const dialogPaddingTop = () => (props.dialogContainer && props.hasCustomHeader ? 50 : CHAT_HEADER_HEIGHT);

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medium

The value 50 is a magic number. To improve readability and maintainability, consider defining it as a constant at the top of the file, for example: const CUSTOM_HEADER_DIALOG_PADDING = 50;. This makes the intention of having a specific offset for custom headers clearer, even if its value currently matches CHAT_HEADER_HEIGHT.

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