fix(web): Convert file references to full browse URLs in portable markdown

CHANGELOG.md

@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 - Fixed issue where opening GitLab file links would result in a 404. [#846](https://github.com/sourcebot-dev/sourcebot/pull/846)
+- Fixed issue where file references in copied chat answers were relative paths instead of full browse URLs. [#847](https://github.com/sourcebot-dev/sourcebot/pull/847)
 
 ## [4.10.24] - 2026-02-03
 

packages/web/src/app/api/(server)/chat/blocking/route.ts

@@ -182,11 +182,11 @@ export const POST = apiHandler(async (request: NextRequest) => {
                 : undefined;
             const answerText = answerPart?.text ?? '';
 
-            // Convert to portable markdown (replaces @file: references with markdown links)
-            const portableAnswer = convertLLMOutputToPortableMarkdown(answerText);
-
-            // Build the chat URL
+            // Build the base URL and chat URL
             const baseUrl = env.AUTH_URL;
+
+            // Convert to portable markdown (replaces @file: references with markdown links)
+            const portableAnswer = convertLLMOutputToPortableMarkdown(answerText, baseUrl);
             const chatUrl = `${baseUrl}/${org.domain}/chat/${chat.id}`;
 
             logger.debug(`Completed blocking agent for chat ${chat.id}`, {

packages/web/src/features/chat/components/chatThread/answerCard.tsx

@@ -51,7 +51,8 @@ const AnswerCardComponent = forwardRef<HTMLDivElement, AnswerCardProps>(({
     );
 
     const onCopyAnswer = useCallback(() => {
-        const markdownText = convertLLMOutputToPortableMarkdown(answerText);
+        const baseUrl = typeof window !== 'undefined' ? window.location.origin : '';
+        const markdownText = convertLLMOutputToPortableMarkdown(answerText, baseUrl);
         navigator.clipboard.writeText(markdownText);
         toast({
             description: "✅ Copied to clipboard",

packages/web/src/features/chat/utils.ts

@@ -1,6 +1,8 @@
 import { CreateUIMessage, TextUIPart, UIMessagePart } from "ai";
 import { Descendant, Editor, Point, Range, Transforms } from "slate";
 import { ANSWER_TAG, FILE_REFERENCE_PREFIX, FILE_REFERENCE_REGEX } from "./constants";
+import { getBrowsePath, BrowseHighlightRange } from "@/app/[domain]/browse/hooks/utils";
+import { SINGLE_TENANT_ORG_DOMAIN } from "@/lib/constants";
 import {
     CustomEditor,
     CustomText,
@@ -243,10 +245,10 @@ export const createFileReference = ({ repo, path, startLine, endLine }: { repo:
  * Markdown format. Practically, this means converting references into Markdown
  * links and removing the answer tag.
  */
-export const convertLLMOutputToPortableMarkdown = (text: string): string => {
+export const convertLLMOutputToPortableMarkdown = (text: string, baseUrl: string): string => {
     return text
         .replace(ANSWER_TAG, '')
-        .replace(FILE_REFERENCE_REGEX, (_, _repo, fileName, startLine, endLine) => {
+        .replace(FILE_REFERENCE_REGEX, (_, repo, fileName, startLine, endLine) => {
             const displayName = fileName.split('/').pop() || fileName;
 
             let linkText = displayName;
@@ -258,7 +260,23 @@ export const convertLLMOutputToPortableMarkdown = (text: string): string => {
                 }
             }
 
-            return `[${linkText}](${fileName})`;
+            // Construct highlight range for line numbers
+            const highlightRange: BrowseHighlightRange | undefined = startLine ? {
+                start: { lineNumber: parseInt(startLine) },
+                end: { lineNumber: parseInt(endLine || startLine) },
+            } : undefined;
+
+            // Construct full browse URL
+            const browsePath = getBrowsePath({
+                repoName: repo,
+                path: fileName,
+                pathType: 'blob',
+                domain: SINGLE_TENANT_ORG_DOMAIN,
+                highlightRange,
+            });
+
+            const fullUrl = `${baseUrl}${browsePath}`;
+            return `[${linkText}](${fullUrl})`;
         })
         .trim();
 }