인용 블록 색상과 라이브 설정 패널 정리

lib/markdown-block-context.js

@@ -1,5 +1,5 @@
 import { isImageUrl, parseImageMarkdownLine } from './markdown-image.js'
-import { CALLOUT_BACKGROUND_OPTIONS, parseCalloutOptions } from './markdown-callout.js'
+import { CALLOUT_BACKGROUND_OPTIONS, QUOTE_BACKGROUND_OPTIONS, parseCalloutOptions } from './markdown-callout.js'
 import { parseCodeFenceLine } from './markdown-code-block.js'
 import { parseToggleOpenerLine } from './markdown-toggle.js'
 
@@ -114,7 +114,7 @@ const parseQuoteOptionsLine = (value) => {
     const [key, rawOptionValue] = token.split('=')
     const optionValue = String(rawOptionValue || '').trim()
 
-    if (key?.toLowerCase() === 'bg' && CALLOUT_BACKGROUND_OPTIONS.includes(optionValue)) {
+    if (key?.toLowerCase() === 'bg' && QUOTE_BACKGROUND_OPTIONS.includes(optionValue)) {
       quoteBackground = optionValue
     }
   })
@@ -151,7 +151,7 @@ const resolveQuoteBlock = (lines, currentLine) => {
     kind: 'quote',
     startLine,
     endLine,
-    quoteBackground: quoteOptions?.quoteBackground || 'pink',
+    quoteBackground: quoteOptions?.quoteBackground || 'gray',
     hasQuoteOptions: Boolean(quoteOptions)
   }
 }