Merge branch 'develop' into feat/voice-as-twilio-capability

app/javascript/dashboard/helper/editorHelper.js

@@ -32,6 +32,25 @@ export function extractTextFromMarkdown(markdown) {
     .trim(); // Trim any extra space
 }
 
+/**
+ * Removes inline base64 markdown images from signature content.
+ *
+ * @param {string} content
+ * @returns {{ sanitizedContent: string, hasInlineImages: boolean }}
+ */
+export function stripInlineBase64Images(content) {
+  if (!content || typeof content !== 'string') {
+    return { sanitizedContent: content || '', hasInlineImages: false };
+  }
+
+  const markdownInlineBase64ImageRegex =
+    /!\[[^\]]*]\(\s*data:image\/[a-zA-Z0-9.+-]+;base64,[^)]+\s*\)/gi;
+  const sanitizedContent = content.replace(markdownInlineBase64ImageRegex, '');
+  const hasInlineImages = sanitizedContent !== content;
+
+  return { sanitizedContent, hasInlineImages };
+}
+
 /**
  * Strip unsupported markdown formatting based on channel capabilities.
  * Uses MARKDOWN_PATTERNS from editor constants.

app/javascript/dashboard/helper/specs/editorHelper.spec.js

@@ -15,6 +15,7 @@ import {
   getMenuAnchor,
   calculateMenuPosition,
   stripUnsupportedFormatting,
+  stripInlineBase64Images,
 } from '../editorHelper';
 import { FORMATTING } from 'dashboard/constants/editor';
 import { EditorState } from '@chatwoot/prosemirror-schema';
@@ -423,6 +424,36 @@ describe('extractTextFromMarkdown', () => {
   });
 });
 
+describe('stripInlineBase64Images', () => {
+  it('removes markdown data:image base64 images and sets hasInlineImages', () => {
+    const content =
+      'Hello\n![x](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAE)\nWorld';
+    const { sanitizedContent, hasInlineImages } =
+      stripInlineBase64Images(content);
+
+    expect(hasInlineImages).toBe(true);
+    expect(sanitizedContent).not.toContain('data:image/png;base64');
+    expect(sanitizedContent).toContain('Hello');
+    expect(sanitizedContent).toContain('World');
+  });
+
+  it('leaves hosted image markdown unchanged', () => {
+    const content = '![](https://example.com/logo.png)';
+    const { sanitizedContent, hasInlineImages } =
+      stripInlineBase64Images(content);
+
+    expect(hasInlineImages).toBe(false);
+    expect(sanitizedContent).toBe(content);
+  });
+
+  it('returns empty hasInlineImages for empty input', () => {
+    expect(stripInlineBase64Images('')).toEqual({
+      sanitizedContent: '',
+      hasInlineImages: false,
+    });
+  });
+});
+
 describe('insertAtCursor', () => {
   it('should return undefined if editorView is not provided', () => {
     const result = insertAtCursor(undefined, schema.text('Hello'), 0);