Keep creation as a living DAG and archive playable products separately.

Opening accept no longer locks the graph; session.json stays creation-only while play starts from an instance snapshot. Sidebar products nest run saves, and play reading fills the feed at a denser type size.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/skills/creation-flow.ts

@@ -2292,7 +2292,23 @@ export function isCloserModule(
   name?: string,
 ): boolean {
   if (module?.closer === true) return true;
-  return (name ?? "").trim() === "开场白与开场变量";
+  const t = (name ?? "").trim();
+  return t === "开场白与开场变量" || t.startsWith("开场白与开场变量#") || t === "开场白";
+}
+
+export function hasAcceptedCloserStep(
+  flow: CreationFlow | null | undefined,
+  acceptedStepIds: readonly string[],
+  catalog?: ModuleCatalog | null,
+): boolean {
+  if (flow?.steps.length) {
+    return flow.steps.some(
+      (s) =>
+        isCloserModule(findModuleByName(catalog, s.name), s.name) &&
+        isStepAccepted(s, acceptedStepIds),
+    );
+  }
+  return acceptedStepIds.some((id) => isCloserModule(null, id));
 }
 
 export function findCloserStepIndex(

src/skills/opening-seal.ts

@@ -1,5 +1,5 @@
 /**
- * 开场白终节点：选定后落库、关 DAG。
+ * 开场白终节点：选定后落库开场。不关 DAG；产物靠用户「保存」拆出。
  * 能力 `opening-setup` 与磁盘 worker `opening-generator` 共用这条收口。
  */
 import {
@@ -22,21 +22,34 @@ export const SLOT_CREATION_SEALED_BY_OPENING = "creationSealedByOpening";
 export const SLOT_OPENING_SELECTED_INDEX = "openingSelectedIndex";
 
 export const CREATION_SEALED_WAITING_MESSAGE =
-  "开场已选定，创作已收口并保存。可切换到「游玩」。";
+  "开场已选定。可保存为产物后开玩，或继续补节点。";
 
-export const INSTANCE_OPENING_SNAPSHOT_LABEL = "创作定稿（开场）";
+export const INSTANCE_OPENING_SNAPSHOT_LABEL = "定稿";
 
 export function isOpeningLockTag(tag: string): boolean {
   const t = tag.trim();
   return t === OPENING_OUTPUT_TAG || t === OPENING_INITIAL_VARS_TAG;
 }
 
+/** 收口步 id / name（含「开场白与开场变量#2」） */
+export function isCloserStepRef(id: string | undefined): boolean {
+  const t = (id ?? "").trim();
+  if (!t) return false;
+  return (
+    t === "开场白与开场变量" ||
+    t.startsWith("开场白与开场变量#") ||
+    t === "开场白"
+  );
+}
+
 export function isOpeningSealArtifact(artifact: {
   workerId?: string;
+  stepId?: string;
   outputTags?: readonly string[];
 }): boolean {
   if ((artifact.workerId ?? "").trim() === "opening-generator") return true;
-  return (artifact.outputTags ?? []).includes(OPENING_SETUP_ARTIFACT_TAG);
+  if ((artifact.outputTags ?? []).includes(OPENING_SETUP_ARTIFACT_TAG)) return true;
+  return isCloserStepRef(artifact.stepId);
 }
 
 export type OpeningVariable = {

src/skills/play-turn.ts

@@ -5,6 +5,8 @@
  */
 export const SLOT_PLAY_TURN_QUEUE = "playTurnQueue";
 export const SLOT_PLAY_LAYER_ACTIVE = "playLayerActive";
+/** 当前游玩线所依据的产物 snapshot id */
+export const SLOT_PLAY_INSTANCE_ID = "playInstanceId";
 
 export const PLAY_WORKING_SNAPSHOT_ID = "play-working";
 export const PLAY_WORKING_SNAPSHOT_LABEL = "当前游玩";

src/skills/worker-declaration.ts

@@ -1,6 +1,14 @@
 import type { Blackboard } from "../blackboard/blackboard.js";
 import type { RuntimeSession } from "../types/runtime.js";
 import { isPlayLayerActive } from "./play-turn.js";
+import {
+  SLOT_CREATION_ACCEPTED_UNITS,
+  parseAcceptedUnits,
+} from "./creation-units.js";
+import {
+  isCloserStepRef,
+  SLOT_CREATION_SEALED_BY_OPENING,
+} from "./opening-seal.js";
 import {
   deriveDesignStageScope,
   deriveOnDemandWorkerScope,
@@ -41,8 +49,14 @@ export function hasAcceptedWorkerSet(session: RuntimeSession): boolean {
   );
 }
 
+function hasAcceptedCloser(session: RuntimeSession): boolean {
+  if (Boolean(session.slots[SLOT_CREATION_SEALED_BY_OPENING])) return true;
+  const accepted = parseAcceptedUnits(session.slots[SLOT_CREATION_ACCEPTED_UNITS]);
+  return accepted.some((id) => isCloserStepRef(id));
+}
+
 export function canEnterPlay(session: RuntimeSession): boolean {
-  return hasAcceptedWorkerSet(session);
+  return hasAcceptedWorkerSet(session) || hasAcceptedCloser(session);
 }
 
 export function inferLifecycleStage(session: RuntimeSession): LifecycleStage {