✨ feat(vscode): 问 AI 输入框能粘贴、拖进图片随问题发给 Claude Code，缩略图能点开看大图，图片存进 .spx/code-qa 跟着问答删

vscode/src/codeReader/pathMap.test.ts

@@ -1,5 +1,9 @@
+import type { PathMapFile } from './pathMap'
+import { promises as fsp } from 'node:fs'
+import * as os from 'node:os'
+import * as path from 'node:path'
 import { describe, expect, it } from 'vitest'
-import { changedKeys, dropEntries, entriesUnder, moveEntries, normalizeKey, placeEntries, toPathKey } from './pathMap'
+import { changedKeys, detachedFiles, dropEntries, entriesUnder, moveEntries, normalizeKey, placeEntries, removeFiles, toPathKey } from './pathMap'
 
 describe('路径的键', () => {
   it('相对工作区文件夹、用 / 分隔', () => {
@@ -92,3 +96,34 @@ describe('变了哪些行', () => {
     expect(changedKeys({ a: '1' }, { a: '1' })).toEqual([])
   })
 })
+
+describe('条目带着的文件', () => {
+  const file: PathMapFile<string[]> = { path: '.spx/x.json', label: 'x', parse: () => undefined, attachments: files => files }
+
+  it('改表后没有哪条再带着的才删：删掉的条目、改掉的引用；别的条目还带着同一个文件的留着', () => {
+    const before = { 'a.py': ['.spx/f/1.png', '.spx/f/2.png'], 'b.py': ['.spx/f/3.png', '.spx/f/2.png'] }
+    expect(detachedFiles(file, before, { 'b.py': ['.spx/f/3.png', '.spx/f/2.png'] })).toEqual(['.spx/f/1.png'])
+    expect(detachedFiles(file, before, { 'a.py': ['.spx/f/1.png'] }).sort()).toEqual(['.spx/f/2.png', '.spx/f/3.png'])
+    expect(detachedFiles(file, before, before)).toEqual([])
+  })
+
+  it('不带文件的表什么都不删', () => {
+    expect(detachedFiles({ ...file, attachments: undefined }, { a: ['x'] }, {})).toEqual([])
+  })
+
+  it('删文件：已经没了的不算错，跑到工作区文件夹外面的路径不碰', async () => {
+    const parent = await fsp.mkdtemp(path.join(os.tmpdir(), 'path-map-'))
+    try {
+      const root = path.join(parent, 'work')
+      await fsp.mkdir(path.join(root, '.spx', 'f'), { recursive: true })
+      await fsp.writeFile(path.join(root, '.spx', 'f', '1.png'), '')
+      await fsp.writeFile(path.join(parent, 'outside.png'), '')
+      await removeFiles(root, ['.spx/f/1.png', '.spx/f/missing.png', '../outside.png', path.join(parent, 'outside.png')])
+      await expect(fsp.access(path.join(root, '.spx', 'f', '1.png'))).rejects.toThrow()
+      await expect(fsp.access(path.join(parent, 'outside.png'))).resolves.toBeUndefined()
+    }
+    finally {
+      await fsp.rm(parent, { recursive: true, force: true })
+    }
+  })
+})