✨ feat(vscode): 会话管理支持导入已 /rename 的命名会话

vscode/src/sessions/importableNamedSessions.ts

@@ -0,0 +1,96 @@
+/**
+ * 从 Claude projects 目录扫描已 /rename（jsonl 含 custom-title）且尚未登记到
+ * managed store 的会话，供「导入」候选列表使用。
+ */
+
+import { promises as fsp } from 'node:fs'
+import * as path from 'node:path'
+import { projectsDirFor } from '../cc/sessionWatcher'
+import { readManagedSessions } from './managedStore'
+
+export interface ImportableNamedSession {
+  id: string
+  name: string
+  mtimeMs: number
+}
+
+/** 从 jsonl 文本提取最后一条 custom-title（trim 后非空），否则 null */
+export function extractLastCustomTitle(jsonlText: string): string | null {
+  let last: string | null = null
+  const lines = jsonlText.split(/\r?\n/)
+  for (const line of lines) {
+    const trimmed = line.trim()
+    if (!trimmed)
+      continue
+    let parsed: unknown
+    try {
+      parsed = JSON.parse(trimmed)
+    }
+    catch {
+      continue
+    }
+    if (!parsed || typeof parsed !== 'object')
+      continue
+    const rec = parsed as { type?: unknown, customTitle?: unknown }
+    if (rec.type !== 'custom-title')
+      continue
+    if (typeof rec.customTitle !== 'string')
+      continue
+    const title = rec.customTitle.trim()
+    if (!title)
+      continue
+    last = title
+  }
+  return last
+}
+
+/**
+ * 列出可导入命名会话：扫 projectsDir 顶层 *.jsonl，过滤已在 managed 的 id，mtime 降序。
+ * `projectsDir` 可选，便于测试注入；默认 `projectsDirFor(workspaceRoot)`。
+ */
+export async function listImportableNamedSessions(
+  workspaceRoot: string,
+  projectsDir?: string,
+): Promise<ImportableNamedSession[]> {
+  const dir = projectsDir ?? projectsDirFor(workspaceRoot)
+  let entries: import('node:fs').Dirent[]
+  try {
+    entries = await fsp.readdir(dir, { withFileTypes: true })
+  }
+  catch {
+    return []
+  }
+
+  const managed = await readManagedSessions(workspaceRoot)
+  const managedIds = new Set(managed.sessions.map(s => s.id))
+
+  const results: ImportableNamedSession[] = []
+  for (const ent of entries) {
+    if (!ent.isFile() || !ent.name.endsWith('.jsonl'))
+      continue
+    const id = ent.name.slice(0, -'.jsonl'.length)
+    if (!id || managedIds.has(id))
+      continue
+    const filePath = path.join(dir, ent.name)
+    let text: string
+    let mtimeMs: number
+    try {
+      const [raw, st] = await Promise.all([
+        fsp.readFile(filePath, 'utf8'),
+        fsp.stat(filePath),
+      ])
+      text = raw
+      mtimeMs = st.mtimeMs
+    }
+    catch {
+      continue
+    }
+    const name = extractLastCustomTitle(text)
+    if (!name)
+      continue
+    results.push({ id, name, mtimeMs })
+  }
+
+  results.sort((a, b) => b.mtimeMs - a.mtimeMs)
+  return results
+}