fix: resolve docs-site CI build failure — add ESM type, fix dead links, ignore localhost URLs

Author: joungminsung

docs-site/.vitepress/config.ts

@@ -4,6 +4,7 @@ export default defineConfig({
   title: 'OpenDocuments',
   description: 'Open source self-hosted RAG tool for AI document search — connect GitHub, Notion, Google Drive, and more. Ask questions in natural language with source citations.',
   lang: 'en-US',
+  ignoreDeadLinks: [/localhost/],
 
   head: [
     ['meta', { name: 'keywords', content: 'rag tool, ai document search, self-hosted knowledge base, open source rag, retrieval augmented generation, llm document search, ollama rag, vector search, ai knowledge management, document qa, enterprise search, mcp server' }],

docs-site/guide/architecture.md

@@ -48,5 +48,5 @@ SQLite for metadata/FTS + LanceDB for vectors. Designed for single-machine deplo
 
 ## Contributing
 
-See [CONTRIBUTING.md](../CONTRIBUTING.md) for development setup and guidelines.
-See [Plugin System](../plugins/index.md) for plugin development.
+See [CONTRIBUTING.md](https://github.com/joungminsung/OpenDocuments/blob/main/CONTRIBUTING.md) for development setup and guidelines.
+See [Plugin System](/plugins/) for plugin development.

docs-site/package.json

@@ -1,6 +1,7 @@
 {
   "name": "@opendocuments/docs",
   "private": true,
+  "type": "module",
   "scripts": {
     "dev": "vitepress dev",
     "build": "vitepress build",