Fix chat type persistence and board flow

src/app/main/mainChatPanel/inlinePreviewUrls.ts

@@ -0,0 +1,26 @@
+const AUTO_DETECTED_PREVIEW_URL_PATTERN = /(https?:\/\/[^\s<>)\]]+|\/[A-Za-z0-9._~:/?#[\]@!$&'*+,;=%-]+)/g;
+
+export function extractAutoDetectedPreviewUrls(text: string) {
+  const normalized = String(text ?? '');
+  const urls: string[] = [];
+
+  for (const match of normalized.matchAll(AUTO_DETECTED_PREVIEW_URL_PATTERN)) {
+    const value = match[0]?.trim();
+
+    if (!value) {
+      continue;
+    }
+
+    const startIndex = match.index ?? -1;
+    const previousChar = startIndex > 0 ? normalized[startIndex - 1] : '';
+
+    // Ignore HTML closing tags like </div> that were being misread as same-origin routes.
+    if (previousChar === '<') {
+      continue;
+    }
+
+    urls.push(value);
+  }
+
+  return urls;
+}