라이브 편집 인용과 멀티라인 입력 보정

components/content/ContentMarkdownRenderer.vue

@@ -1420,6 +1420,22 @@ const onSpacerInlineCommit = (block, text) => {
   commitInlineBlockLines(block, [text])
 }
 
+/**
+ * 문단 입력 중 블록 단축 변환을 처리한다.
+ * @param {Object} block - 문단 블록
+ * @param {string} text - 입력 텍스트
+ * @returns {void}
+ */
+const onParagraphLiveInput = (block, text) => {
+  if (String(text ?? '').trim() !== '>') {
+    return
+  }
+
+  pendingFocusLine.value = block.meta.startLine
+  pendingFocusPosition.value = 'start'
+  commitInlineBlockLines(block, ['> '])
+}
+
 /**
  * 문단 Enter 분리 결과 줄 배열을 만든다.
  * @param {string} head - 커서 앞 텍스트
@@ -1878,6 +1894,65 @@ const onQuoteLineInsertBelow = (block, lineIndex, payload) => {
   commitInlineBlockLines(block, nextLines)
 }
 
+/**
+ * 인용 블록 원본에서 옵션 선언 줄을 반환한다.
+ * @param {Object} block - 인용 블록
+ * @returns {string[]} 옵션 선언 줄
+ */
+const getQuoteOptionLines = (block) => {
+  const contentStartLine = getQuoteContentStartLine(block)
+
+  if (contentStartLine <= block.meta.startLine) {
+    return []
+  }
+
+  return getBlockSourceLines(block).slice(0, contentStartLine - block.meta.startLine)
+}
+
+/**
+ * 인용 본문 문자열을 마크다운 줄로 변환한다.
+ * @param {Object} block - 인용 블록
+ * @param {string|{ value?: string }} payload - 편집 페이로드
+ * @returns {string[]} 인용 마크다운 줄
+ */
+const buildQuoteBlockLines = (block, payload) => {
+  const value = typeof payload === 'string'
+    ? payload
+    : String(payload?.value ?? '')
+  const bodyLines = String(value ?? '').replace(/\r/g, '').split('\n')
+  const normalizedBodyLines = bodyLines.length ? bodyLines : ['']
+
+  return [
+    ...getQuoteOptionLines(block),
+    ...normalizedBodyLines.map((line) => formatQuoteLine(line, false))
+  ]
+}
+
+/**
+ * 인용 블록 편집 반영
+ * @param {Object} block - 인용 블록
+ * @param {string|{ value?: string }} payload - 편집 페이로드
+ * @returns {void}
+ */
+const onQuoteBlockCommit = (block, payload) => {
+  commitInlineBlockLines(block, buildQuoteBlockLines(block, payload))
+}
+
+/**
+ * 인용 블록 마지막 줄에서 아래로 이탈한다.
+ * @param {Object} block - 인용 블록
+ * @param {string|Object} payload - insert-below 페이로드
+ * @returns {void}
+ */
+const onQuoteBlockInsertBelow = (block, payload) => {
+  const { value } = normalizeInsertBelowPayload(payload)
+
+  onQuoteBlockCommit(block, value)
+  pendingFocusPosition.value = 'start'
+  pendingFocusOffset.value = 0
+  onInsertBelowBlock(block, { lines: [''] })
+}
+
 /**
  * 목록 항목 인라인 편집 반영
  * @param {Object} block - 블록
@@ -2533,6 +2608,7 @@ onBeforeUnmount(() => {
         :slash-command-suppressed="slashSuppressedLines.includes(block.meta.startLine)"
         :source-line="block.meta.startLine"
         :model-value="''"
+        @input="onParagraphLiveInput(block, $event)"
         @commit="onSpacerInlineCommit(block, $event)"
         @split="onParagraphSplit(block, $event)"
         @delete-line="onDeleteLine"
@@ -2570,20 +2646,17 @@ onBeforeUnmount(() => {
         :data-source-line="block.meta.startLine"
       >
         <ContentMarkdownEditableInline
-          v-for="quoteLine in getQuoteLineEntries(block)"
-          :key="`quote-line-${quoteLine.sourceLine}`"
           block-class="content-markdown-renderer__quote-line"
-          :model-value="quoteLine.text"
-          enter-mode="insert-below"
-          allow-raw-toggle
+          :model-value="block.text"
+          enter-mode="multiline"
+          plain-text
           arrow-exit-creates-line
-          :raw-line="getMarkdownLine(quoteLine.sourceLine)"
-          :source-line="quoteLine.sourceLine"
-          @commit="onQuoteLineInlineCommit(block, quoteLine.sourceIndex, $event)"
-          @insert-below="onQuoteLineInsertBelow(block, quoteLine.sourceIndex, $event)"
+          :source-line="getQuoteContentStartLine(block)"
+          :source-line-count="getQuoteLineEntries(block).length"
+          @input="onQuoteBlockCommit(block, $event)"
+          @commit="onQuoteBlockCommit(block, $event)"
+          @insert-below="onQuoteBlockInsertBelow(block, $event)"
           @delete-line="onDeleteLine"
-          @merge-with-previous="onMergeWithPreviousLine(quoteLine.sourceLine, $event)"
-          @raw-mode="onInlineRawMode"
         />
       </ProseBlockquote>
       <ProseBlockquote
@@ -2966,6 +3039,7 @@ onBeforeUnmount(() => {
         :slash-command-suppressed="slashSuppressedLines.includes(block.meta.startLine)"
         :source-line="block.meta.startLine"
         :model-value="block.text"
+        @input="onParagraphLiveInput(block, $event)"
         @commit="onParagraphInlineCommit(block, $event)"
         @split="onParagraphSplit(block, $event)"
         @delete-line="onDeleteLine"