코드 블록 줄번호 기본 숨김

lib/markdown-block-context.js

@@ -315,7 +315,7 @@ const resolveCodeBlock = (lines, currentLine) => {
     }
 
     if (currentLine >= index && currentLine <= codeEnd) {
-      const options = parseCodeFenceLine(lines[index]) || { language: '', showLineNumbers: true }
+      const options = parseCodeFenceLine(lines[index]) || { language: '', showLineNumbers: false }
 
       return {
         kind: 'code',

lib/markdown-code-block.js

@@ -13,13 +13,18 @@ export const parseCodeFenceLine = (line) => {
   const rest = trimmed.slice(3).trim()
 
   if (!rest) {
-    return { language: '', showLineNumbers: true }
+    return { language: '', showLineNumbers: false }
   }
 
   const noLineNumberTokens = ['nolinenos', 'no-linenos', 'no-line-numbers']
+  const lineNumberTokens = ['linenos', 'line-numbers']
   const tokens = rest.split(/\s+/).filter(Boolean)
-  const showLineNumbers = !tokens.some((token) => noLineNumberTokens.includes(token.toLowerCase()))
-  const languageTokens = tokens.filter((token) => !noLineNumberTokens.includes(token.toLowerCase()))
+  const showLineNumbers = tokens.some((token) => lineNumberTokens.includes(token.toLowerCase()))
+    && !tokens.some((token) => noLineNumberTokens.includes(token.toLowerCase()))
+  const languageTokens = tokens.filter((token) => {
+    const normalized = token.toLowerCase()
+    return !noLineNumberTokens.includes(normalized) && !lineNumberTokens.includes(normalized)
+  })
   const language = languageTokens[0] || ''
 
   return { language, showLineNumbers }
@@ -32,15 +37,15 @@ export const parseCodeFenceLine = (line) => {
  */
 export const buildCodeFenceOpener = (options = {}) => {
   const language = String(options.language ?? '').trim()
-  const showLineNumbers = options.showLineNumbers !== false
+  const showLineNumbers = options.showLineNumbers === true
   let opener = '```'
 
   if (language) {
     opener += language
   }
 
-  if (!showLineNumbers) {
-    opener += language ? ' nolinenos' : 'nolinenos'
+  if (showLineNumbers) {
+    opener += language ? ' linenos' : 'linenos'
   }
 
   return opener

lib/markdown-slash-commands.js

@@ -86,7 +86,7 @@ export const MARKDOWN_SLASH_COMMANDS = [
   {
     id: 'code',
     label: '코드',
-    description: '코드 블록',
+    description: '코드 블록(줄번호 숨김)',
     keywords: ['code', 'pre', '코드'],
     action: 'lines',
     lines: ['```', '', '```']