feat: Add Markdown to ProseMirror converter

- New converter supports headings, lists, blockquotes, code blocks
- Documents now render with proper formatting in Outline
- Auto-update collection documentStructure on document creation
- Documents appear in sidebar automatically

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/tools/documents.ts

@@ -6,6 +6,7 @@
 import { Pool } from 'pg';
 import { BaseTool, ToolResponse, DocumentArgs, GetDocumentArgs, CreateDocumentArgs, UpdateDocumentArgs, SearchDocumentsArgs, MoveDocumentArgs } from '../types/tools.js';
 import { validatePagination, validateSortDirection, validateSortField, isValidUUID, sanitizeInput } from '../utils/security.js';
+import { markdownToProseMirror } from '../utils/markdown-to-prosemirror.js';
 
 /**
  * 1. list_documents - Lista documentos publicados e drafts com filtros e paginação
@@ -240,6 +241,9 @@ const createDocument: BaseTool<CreateDocumentArgs> = {
       await pgClient.query('BEGIN');
 
       try {
+        // Convert Markdown to ProseMirror JSON
+        const proseMirrorContent = markdownToProseMirror(text);
+
         const docQuery = `
           INSERT INTO documents (
             id, "urlId", title, text, "collectionId", "teamId", "parentDocumentId", "createdById",
@@ -250,7 +254,7 @@ const createDocument: BaseTool<CreateDocumentArgs> = {
             gen_random_uuid(),
             substring(md5(random()::text) from 1 for 10),
             $1, $2, $3, $4, $5, $6, $7, $8, $9, NOW(), NOW(), 1, false, false, false, ARRAY[$6]::uuid[],
-            1, '{"type": "doc", "content": [{"type": "paragraph"}]}'::jsonb
+            1, $10::jsonb
           )
           RETURNING id, "urlId", title, "collectionId", "publishedAt", "createdAt"
         `;
@@ -264,7 +268,8 @@ const createDocument: BaseTool<CreateDocumentArgs> = {
           userId,
           userId,
           args.template || false,
-          publishedAt
+          publishedAt,
+          JSON.stringify(proseMirrorContent)
         ];
 
         const docResult = await pgClient.query(docQuery, docParams);
@@ -288,6 +293,24 @@ const createDocument: BaseTool<CreateDocumentArgs> = {
           text
         ]);
 
+        // Update collection's documentStructure to include the new document
+        const urlSlug = title.toLowerCase().replace(/[^a-z0-9]+/g, '-').replace(/^-|-$/g, '');
+        const updateStructureQuery = `
+          UPDATE collections
+          SET "documentStructure" = COALESCE("documentStructure", '[]'::jsonb) || $1::jsonb,
+              "updatedAt" = NOW()
+          WHERE id = $2
+        `;
+        await pgClient.query(updateStructureQuery, [
+          JSON.stringify([{
+            id: newDoc.id,
+            url: `/doc/${urlSlug}-${newDoc.urlId}`,
+            title: title,
+            children: []
+          }]),
+          args.collection_id
+        ]);
+
         await pgClient.query('COMMIT');
 
         return {