✨ feat(vscode): 历史会话可换 profile 恢复

vscode/src/sessions/managedResumeProfile.ts

@@ -0,0 +1,20 @@
+export function decideManagedResumeProfile(input: {
+  storedProfile: string | undefined
+  overrideProfile: string | undefined
+  inferredProfile: string | null
+}): { effective: string | undefined, persist: string | undefined } {
+  const override = input.overrideProfile?.trim() || undefined
+  const stored = input.storedProfile?.trim() || undefined
+
+  if (override) {                                              // ① 行内覆盖：与 store 不同才写回；忽略 jsonl 推断
+    return {
+      effective: override,
+      persist: override !== stored ? override : undefined,
+    }
+  }
+  if (stored)                                                  // ② store 已有 → 沿用，不写回
+    return { effective: stored, persist: undefined }
+  if (input.inferredProfile)                                   // ③ 缺 profile 才用 jsonl 回填并写回
+    return { effective: input.inferredProfile, persist: input.inferredProfile }
+  return { effective: undefined, persist: undefined }
+}