build: strip svg references from the marketplace readme

- Filter out lines referencing .svg assets when generating the packaged
  README, since vsce rejects SVG images in extension readmes.

Author: juice094

gateway-vscode/scripts/generate-marketplace-readme.mjs

@@ -8,15 +8,23 @@ const repoRoot = resolve(extensionRoot, '..');
 
 const chineseReadme = readFileSync(resolve(repoRoot, 'README.md'), 'utf8').trimEnd();
 const englishReadme = readFileSync(resolve(repoRoot, 'README_en.md'), 'utf8').trimEnd();
+
+// VS Code Marketplace rejects SVG images in extension READMEs, so drop any
+// line that references an .svg asset before packaging.
+const stripSvgReferences = (readme) => readme
+  .split('\n')
+  .filter((line) => !/\.svg([\"')\]]|$)/i.test(line))
+  .join('\n');
+
 const marketplaceReadme = [
   '<!-- This README is generated for the VS Code Marketplace package. -->',
   '<!-- Sources: ../README.md and ../README_en.md -->',
   '',
-  chineseReadme,
+  stripSvgReferences(chineseReadme),
   '',
   '---',
   '',
-  englishReadme,
+  stripSvgReferences(englishReadme),
   ''
 ].join('\n');