✨ feat(vscode): 代码阅读的链式调用卡片：语言插件读链、翻译模板排成起点和步骤

契约加 LanguageAdapter.chain、Translator.chain、RuleContext.chain、PropertyRow.chain、TextTranslation.rows；跨行写或实参里有闭包的链排成卡片，连着同名调用合成一步列出每次实参，注释挂在步骤上，闭包收起、子块挂到那一步（BlockView.step）；Rust 插件读链、标准库常见方法写中文名；挤成一行时另起一行的 . 贴着前面

vscode/src/codeReader/editor/pageBlocks.ts

@@ -1,5 +1,5 @@
 import type { BlockView } from '../blockView'
-import type { Inline, PreviewTable, PreviewText, PropertyItem, PropertyRow, Segment, SourceRange } from '../contract'
+import type { ChainStep, Inline, PreviewTable, PreviewText, PropertyItem, PropertyRow, Segment, SourceRange } from '../contract'
 import type { BlockMarks, ItemDiff, ItemsDiff, RowDiff, RowsDiff, TextDiff } from '../diff/viewDiff'
 import type { BlockSpan, PageBlock, PageCard } from './messages'
 import { createHash } from 'node:crypto'
@@ -70,6 +70,19 @@ function shiftRow(row: PropertyRow, base: number): PropertyRow {
     value: shiftText(row.value, base),
     ...(row.defines && { defines: shiftRange(row.defines, base) }),
     ...(row.items && { items: row.items.map(item => shiftItem(item, base)) }),
+    ...(row.chain && { chain: row.chain.map(step => shiftStep(step, base)) }),
+  }
+}
+
+function shiftStep(step: ChainStep, base: number): ChainStep {
+  return {
+    ...step,
+    name: shiftInline(step.name, base),
+    value: shiftInline(step.value, base),
+    ...(step.lines && { lines: step.lines.map(line => shiftInline(line, base)) }),
+    ...(step.rows && { rows: step.rows.map(row => shiftRow(row, base)) }),
+    ...(step.table && { table: shiftTable(step.table, base) }),
+    range: shiftRange(step.range, base),
   }
 }
 
@@ -85,6 +98,7 @@ export function pageCard(block: BlockView, base: number): PageCard {
     ...(block.commentTarget && { commentTarget: block.commentTarget.kind }),
     ...(block.badge && { badge: block.badge }),
     ...(block.slot && { slot: block.slot }),
+    ...(block.step && { step: block.step }),
     ...(block.callTree && { callTree: block.callTree }),
   }
   if ('properties' in block)