feat(control): аккордеон «Сцены» на пульте управления

Список сцен активной линии в порядке бокового списка редактора; переход с записью в историю.

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

app/shared/graph/activeStorylineScenes.ts

@@ -0,0 +1,77 @@
+import type { GraphNodeId, Project, SceneGraphEdge, SceneGraphNode, SceneId } from '../types';
+
+import { reconcileSceneListOrder } from './sceneListOrder';
+import {
+  buildStoryRootMap,
+  getNodeStoryRoot,
+  getSideStoryComponentNodeIds,
+  isSideStoryRoot,
+} from './sceneGraphLineage';
+
+export type ActiveStorylineSceneEntry = {
+  sceneId: SceneId;
+  graphNodeId: GraphNodeId;
+};
+
+/** Узлы графа, принадлежащие активной сюжетной линии текущего положения. */
+export function getActiveStorylineGraphNodeIds(
+  nodes: SceneGraphNode[],
+  edges: SceneGraphEdge[],
+  currentGraphNodeId: GraphNodeId,
+): Set<GraphNodeId> {
+  const root = getNodeStoryRoot(nodes, edges, currentGraphNodeId);
+  if (root === 'main') {
+    const rootMap = buildStoryRootMap(nodes, edges);
+    const ids = new Set<GraphNodeId>();
+    for (const [id, r] of rootMap) {
+      if (r === 'main') ids.add(id);
+    }
+    return ids;
+  }
+  if (isSideStoryRoot(root)) {
+    return getSideStoryComponentNodeIds(nodes, edges, root);
+  }
+  return new Set();
+}
+
+function pickGraphNodeForScene(
+  sceneId: SceneId,
+  storylineNodeIds: Set<GraphNodeId>,
+  nodes: SceneGraphNode[],
+  currentGraphNodeId: GraphNodeId | null,
+): GraphNodeId | null {
+  const matching = nodes.filter((n) => storylineNodeIds.has(n.id) && n.sceneId === sceneId);
+  if (matching.length === 0) return null;
+  if (currentGraphNodeId && matching.some((n) => n.id === currentGraphNodeId)) {
+    return currentGraphNodeId;
+  }
+  return matching[0]?.id ?? null;
+}
+
+/**
+ * Сцены активной линии в порядке бокового списка редактора; каждая sceneId — один раз.
+ */
+export function listActiveStorylineScenes(project: Project): ActiveStorylineSceneEntry[] {
+  const currentGraphNodeId = project.currentGraphNodeId;
+  if (!currentGraphNodeId) return [];
+
+  const storylineNodeIds = getActiveStorylineGraphNodeIds(
+    project.sceneGraphNodes,
+    project.sceneGraphEdges,
+    currentGraphNodeId,
+  );
+  if (storylineNodeIds.size === 0) return [];
+
+  const order = reconcileSceneListOrder(project.scenes, project.sceneListOrder);
+  const out: ActiveStorylineSceneEntry[] = [];
+  for (const sceneId of order) {
+    const graphNodeId = pickGraphNodeForScene(
+      sceneId,
+      storylineNodeIds,
+      project.sceneGraphNodes,
+      currentGraphNodeId,
+    );
+    if (graphNodeId) out.push({ sceneId, graphNodeId });
+  }
+  return out;
+}