feat(slay-the-spire-like): add map navigation logic

Implement `canMoveTo` and `moveToNode` for navigating the point
crawl map, and add `PointCrawlMapNavigator` type. Also reformat
map module files to use double quotes.

src/samples/slay-the-spire-like/system/map/index.ts

@@ -1,5 +1,18 @@
-export { MapNodeType, MapLayerType } from './types';
-export type { MapNode, MapLayer, PointCrawlMap, MapGenerationConfig } from './types';
+export { MapNodeType, MapLayerType } from "./types";
+export type {
+  MapNode,
+  MapLayer,
+  PointCrawlMap,
+  MapGenerationConfig,
+} from "./types";
 
-export { generatePointCrawlMap } from './generator';
-export { getNode, getChildren, getParents, hasPath, findAllPaths } from './generator';
+export { generatePointCrawlMap } from "./generator";
+export {
+  getNode,
+  getChildren,
+  getParents,
+  hasPath,
+  findAllPaths,
+} from "./generator";
+
+export { canMoveTo, moveToNode } from "./navigation";

src/samples/slay-the-spire-like/system/map/navigation.ts

@@ -0,0 +1,33 @@
+import { getNode } from "./generator";
+import { PointCrawlMap, PointCrawlMapNavigator } from "./types";
+
+export function canMoveTo(
+  navigator: PointCrawlMapNavigator,
+  map: PointCrawlMap,
+  targetNodeId: string,
+): boolean {
+  const currentNode = getNode(map, navigator.currentNodeId);
+  if (!currentNode) return false;
+
+  return currentNode.childIds.includes(targetNodeId);
+}
+
+export function moveToNode(
+  navigator: PointCrawlMapNavigator,
+  map: PointCrawlMap,
+  targetNodeId: string,
+): boolean {
+  if (!canMoveTo(navigator, map, targetNodeId)) {
+    return false;
+  }
+
+  const targetNode = getNode(map, targetNodeId);
+  if (!targetNode) {
+    return false;
+  }
+
+  // Update current position
+  navigator.currentNodeId = targetNodeId;
+  navigator.visitedNodes.add(targetNodeId);
+  return true;
+}

src/samples/slay-the-spire-like/system/map/types.ts

@@ -1,83 +1,88 @@
-import {EncounterData} from "@/samples/slay-the-spire-like/system/types";
+import { EncounterData } from "@/samples/slay-the-spire-like/system/types";
 
 /**
  * Types of nodes that can appear on the point crawl map.
  */
 export enum MapNodeType {
-    Start = 'start',
-    End = 'end',
-    Minion = 'minion',
-    Elite = 'elite',
-    Event = 'event',
-    Camp = 'camp',
-    Shop = 'shop',
-    Curio = 'curio',
+  Start = "start",
+  End = "end",
+  Minion = "minion",
+  Elite = "elite",
+  Event = "event",
+  Camp = "camp",
+  Shop = "shop",
+  Curio = "curio",
 }
 
 /**
  * Semantic type of a layer.
  */
 export enum MapLayerType {
-    Wild = 'wild',
-    Settlement = 'settlement',
+  Wild = "wild",
+  Settlement = "settlement",
 }
 
 /**
  * A single node on the map.
  */
 export interface MapNode {
-    /** Unique identifier */
-    id: string;
-    /** Which layer this node belongs to */
-    layerIndex: number;
-    /** Semantic type of the node */
-    type: MapNodeType;
-    /** IDs of nodes in the next layer this node connects to */
-    childIds: string[];
-    /** Encounter data assigned to this node (from encounter CSV) */
-    encounter?: EncounterData;
+  /** Unique identifier */
+  id: string;
+  /** Which layer this node belongs to */
+  layerIndex: number;
+  /** Semantic type of the node */
+  type: MapNodeType;
+  /** IDs of nodes in the next layer this node connects to */
+  childIds: string[];
+  /** Encounter data assigned to this node (from encounter CSV) */
+  encounter?: EncounterData;
 }
 
 /**
  * A horizontal layer of nodes at the same progression stage.
  */
 export interface MapLayer {
-    /** Layer index (0 = start, last = end) */
-    index: number;
-    /** Ordered IDs of nodes in this layer */
-    nodeIds: string[];
-    /** Semantic type of the layer */
-    layerType: MapLayerType | 'start' | 'end';
-    /** Direct references to nodes in this layer (for performance) */
-    nodes: MapNode[];
+  /** Layer index (0 = start, last = end) */
+  index: number;
+  /** Ordered IDs of nodes in this layer */
+  nodeIds: string[];
+  /** Semantic type of the layer */
+  layerType: MapLayerType | "start" | "end";
+  /** Direct references to nodes in this layer (for performance) */
+  nodes: MapNode[];
 }
 
 /**
  * A fully generated point crawl map.
  */
 export interface PointCrawlMap {
-    /** Layers from start to end */
-    layers: MapLayer[];
-    /** All nodes keyed by ID */
-    nodes: Map<string, MapNode>;
-    /** Reverse index: nodeId → parent node IDs (for fast getParent lookup) */
-    parentIndex?: Map<string, string[]>;
+  /** Layers from start to end */
+  layers: MapLayer[];
+  /** All nodes keyed by ID */
+  nodes: Map<string, MapNode>;
+  /** Reverse index: nodeId → parent node IDs (for fast getParent lookup) */
+  parentIndex?: Map<string, string[]>;
+}
+
+export interface PointCrawlMapNavigator {
+  currentNodeId: string;
+  visitedNodes: Set<string>;
 }
 
 /**
  * Configuration for map generation.
  */
 export interface MapGenerationConfig {
-    /** Total number of layers (including start and end) */
-    totalLayers: number;
-    /** Number of nodes in each wild layer */
-    wildLayerNodeCount: number;
-    /** Number of nodes in each settlement layer */
-    settlementLayerNodeCount: number;
-    /** Probability weights for wild node types (should sum to 100) */
-    wildNodeTypeWeights: {
-        [MapNodeType.Minion]: number;
-        [MapNodeType.Elite]: number;
-        [MapNodeType.Event]: number;
-    };
+  /** Total number of layers (including start and end) */
+  totalLayers: number;
+  /** Number of nodes in each wild layer */
+  wildLayerNodeCount: number;
+  /** Number of nodes in each settlement layer */
+  settlementLayerNodeCount: number;
+  /** Probability weights for wild node types (should sum to 100) */
+  wildNodeTypeWeights: {
+    [MapNodeType.Minion]: number;
+    [MapNodeType.Elite]: number;
+    [MapNodeType.Event]: number;
+  };
 }