Wrap Mermaid flowchart labels

Long Mermaid node labels rendered as a single constrained line, which
caused text to be clipped in risk assessment diagrams. Share a Mermaid
render configuration that enables flowchart label wrapping before layout
so nodes expand for multi-line labels.

Signed-off-by: Cursor Agent <cursoragent@cursor.com>

Co-authored-by: Sacha Al Himdani <SachaProbo@users.noreply.github.com>

packages/ui/src/Atoms/Markdown/MermaidDiagram.tsx

@@ -15,6 +15,8 @@
 import mermaid from "mermaid";
 import { useEffect, useId, useState } from "react";
 
+import { mermaidRenderConfig } from "../../mermaidConfig";
+
 type Props = {
   chart: string;
 };
@@ -33,7 +35,7 @@ export function MermaidDiagram({ chart }: Props) {
 
     let cancelled = false;
 
-    mermaid.initialize({ startOnLoad: false, theme: "neutral" });
+    mermaid.initialize(mermaidRenderConfig);
 
     mermaid
       .render(`mermaid-${id}`, source)

packages/ui/src/RichEditor/MermaidNodeView.tsx

@@ -8,6 +8,8 @@ import { NodeViewContent, NodeViewWrapper } from "@tiptap/react";
 import mermaid from "mermaid";
 import { useEffect, useId, useState } from "react";
 
+import { mermaidRenderConfig } from "../mermaidConfig";
+
 type MermaidMode = "code" | "preview";
 
 function MermaidPreview({ chart }: { chart: string }) {
@@ -22,7 +24,7 @@ function MermaidPreview({ chart }: { chart: string }) {
 
     let cancelled = false;
 
-    mermaid.initialize({ startOnLoad: false, theme: "neutral" });
+    mermaid.initialize(mermaidRenderConfig);
 
     mermaid
       .render(`mermaid-editor-${id}`, source)

packages/ui/src/mermaidConfig.ts

@@ -0,0 +1,23 @@
+// Copyright (c) 2026 Probo Inc <hello@probo.com>.
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+export const mermaidRenderConfig = {
+  startOnLoad: false,
+  theme: "neutral",
+  htmlLabels: true,
+  markdownAutoWrap: true,
+  flowchart: {
+    wrappingWidth: 220,
+  },
+} as const;