feat: prepare Zhinian desktop client for pilot release

packages/skills-hotel-core/src/index.ts

@@ -0,0 +1,28 @@
+export interface PriceAnomalyRuleInput {
+  roomType: string;
+  date: string;
+  price: number;
+  priceFloor?: number;
+}
+
+export type PriceAnomalyKind = 'below_floor' | 'large_gap' | 'unavailable' | 'missing_room' | 'parse_suspect';
+
+export interface PriceAnomaly {
+  kind: PriceAnomalyKind;
+  roomType: string;
+  date: string;
+  message: string;
+}
+
+export function detectPriceFloorAnomaly(input: PriceAnomalyRuleInput): PriceAnomaly | null {
+  if (typeof input.priceFloor !== 'number') return null;
+  if (input.price >= input.priceFloor) return null;
+
+  return {
+    kind: 'below_floor',
+    roomType: input.roomType,
+    date: input.date,
+    message: `价格 ${input.price} 低于底价 ${input.priceFloor}`,
+  };
+}
+