feat: 接通实现核验修复到正向运行采纳

任务书16第二块：角色分派与每调用轻量检查，提交及代码原子记账，按次数核验修复且耗尽不跑，串行正式运行及恢复引用指标，采纳含null统一公开。451项免费测试通过，全新上下文独立审阅未发现问题；真实研究验收仍待进行。

src/flow/loop.ts

@@ -1,6 +1,7 @@
 import { mkdirSync } from "node:fs";
 import { resolve } from "node:path";
 import type { ResearchConfig } from "../config/index.ts";
+import { forwardNotRunEvent } from "../materials/index.ts";
 import { Ledger } from "../ledger/index.ts";
 import { Runner } from "../runner/index.ts";
 import { fullConfig, readFrozen } from "./frozen.ts";
@@ -8,6 +9,7 @@ import { EVENTS, nextStep, type Next } from "./next-step.ts";
 import { ledgerFile } from "./paths.ts";
 import { recover } from "./recover.ts";
 import { baselineRun, saveBaseline } from "./steps/baseline.ts";
+import { forwardRun, adoptBatch } from "./steps/forward.ts";
 import { dispatchStage } from "./steps/dispatch.ts";
 import { dedupe, freezeProtocols, selectBatch } from "./steps/round.ts";
 import { assignEntries } from "./steps/round-zero.ts";
@@ -75,8 +77,9 @@ async function doStep(s: Study, next: Exclude<Next, { do: "freezeConfig" }>): Pr
     case "saveBaseline":
       saveBaseline(s);
       return null;
-    case "baselineRun": {
-      const ran = await baselineRun(s, next.run);
+    case "baselineRun":
+    case "forwardRun": {
+      const ran = next.do === "baselineRun" ? await baselineRun(s, next.run) : await forwardRun(s, next.round, next.candidate, next.run);
       if (ran === "stopped") return USER_STOPPED;
       if (ran === "done") return null;
       return halt(s.ledger, `运行 ${next.run} 没有启动，名额已退还；本进程不重跑，下次启动时起新编号重跑。Docker 的报错：${ran.notStarted}`, [next.run]);
@@ -104,6 +107,12 @@ async function doStep(s: Study, next: Exclude<Next, { do: "freezeConfig" }>): Pr
     case "selectBatch":
       selectBatch(s, next.round);
       return null;
+    case "forwardNotRun":
+      s.ledger.append("event", forwardNotRunEvent(next.candidate, next.reason));
+      return null;
+    case "adopt":
+      adoptBatch(s, next.round);
+      return null;
     case "halt":
       return halt(s.ledger, next.reason, next.objects);
   }