fix: 用容器生命周期核实恢复并单列三份总体验收

审阅发现spawn后快照早于恢复实际执行，不能证明没有重启；改用杀前至目标结果落账的Docker历史事件，保留缓存完整性限制。逐份stats不再冒称任务书总体通过；独立验收要求三份不同研究、成功杀进程及不重叠区间。两项缺陷附回归，7项定向测试与check通过，独立复审无新问题；真实B尚待启动。
2026-10-04 04:52:13 -04:00
parent b7be524cdc
commit de8e13b031
5 changed files with 473 additions and 25 deletions
@@ -0,0 +1,125 @@
+import { readFileSync, realpathSync } from "node:fs";
+import { join } from "node:path";
+
+export interface ContainerSnapshot {
+  Id: string;
+  State: { StartedAt: string; Running: boolean };
+}
+export interface ContainerEvent {
+  Type: string;
+  Action: string;
+  Actor: { ID: string; Attributes: { name: string } };
+}
+export interface LifecycleWindow {
+  since: string;
+  until: string;
+  run: string;
+  resultSeq: number;
+}
+
+/** 原始历史事件覆盖杀前到目标结果落账；spawn 后的快照本身不证明恢复没有重启。 */
+export function sameContainerThroughResult(
+  snapshots: ContainerSnapshot[],
+  events: ContainerEvent[],
+  container: string,
+) {
+  const original = snapshots[0]!;
+  const target = events.filter(
+    (e) =>
+      e.Type === "container" &&
+      (e.Actor.ID === original.Id || e.Actor.Attributes.name === container),
+  );
+  return {
+    snapshotsAgree:
+      original.State.Running &&
+      snapshots.every(
+        (s) =>
+          s.Id === original.Id &&
+          s.State.StartedAt === original.State.StartedAt,
+      ),
+    // Docker 只保留最近 256 条事件；碰到上限不能据此声称整个区间没有重启。
+    historyWithinLimit: events.length < 256,
+    completionObserved: target.some(
+      (e) => e.Actor.ID === original.Id && e.Action === "die",
+    ),
+    noRestartOrReplacement: target.every(
+      (e) =>
+        e.Actor.ID === original.Id &&
+        !["start", "restart", "create"].includes(e.Action),
+    ),
+  };
+}
+
+export interface StudySummary {
+  dir: string;
+  study: string;
+  pass: boolean;
+  accounts: { checks: { adoptedAndStopped: boolean } };
+  kill: { checks: Record<string, boolean> } | null;
+}
+interface LaunchEvent {
+  event: "start" | "end";
+  pid: number;
+  at: string;
+}
+
+/** 任务书16的总体程序验收；逐研究 stats 通过不等于三份研究的总体验收通过。 */
+export function forwardAcceptance(summaries: StudySummary[]) {
+  const intervals = summaries.map((s) => {
+    const launches = readFileSync(join(s.dir, "launches.jsonl"), "utf8")
+      .trim()
+      .split("\n")
+      .filter(Boolean)
+      .map((line) => JSON.parse(line) as LaunchEvent);
+    const paired =
+      launches.length > 0 &&
+      launches.length % 2 === 0 &&
+      launches.every((e, i) => {
+        if (i % 2 === 1) return e.event === "end";
+        const end = launches[i + 1];
+        return (
+          e.event === "start" &&
+          end?.event === "end" &&
+          end.pid === e.pid &&
+          Date.parse(e.at) <= Date.parse(end.at) &&
+          (i === 0 || Date.parse(launches[i - 1]!.at) <= Date.parse(e.at))
+        );
+      });
+    return {
+      study: s.study,
+      dir: realpathSync(s.dir),
+      paired,
+      start: launches[0]?.at ?? null,
+      end: launches.at(-1)?.at ?? null,
+    };
+  });
+  const ordered = [...intervals].sort(
+    (a, b) => Date.parse(a.start!) - Date.parse(b.start!),
+  );
+  const checks = {
+    threeDifferentStudies:
+      summaries.length === 3 &&
+      new Set(summaries.map((s) => s.study)).size === 3 &&
+      new Set(intervals.map((s) => s.dir)).size === 3,
+    allCompletedAndPassed: summaries.every(
+      (s) => s.pass && s.accounts.checks.adoptedAndStopped,
+    ),
+    successfulKill: summaries.some(
+      (s) => s.kill !== null && Object.values(s.kill.checks).every(Boolean),
+    ),
+    launchIntervalsComplete: intervals.every((s) => s.paired),
+    studiesDoNotOverlap: ordered.every(
+      (s, i) =>
+        s.paired &&
+        (i === 0 || Date.parse(ordered[i - 1]!.end!) <= Date.parse(s.start!)),
+    ),
+  };
+  return {
+    scope: "任务书16总体程序验收（不替代独立研究质量审阅）",
+    intervals,
+    checks,
+    pass: Object.values(checks).every(Boolean),
+    limit:
+      "启动区间含同份研究杀后恢复的间隔；只核对所给三份研究，不据此排除任意外部进程抢占CPU。",
+  };
+}