通过WallySmarter查询Walmart商品详情，包含价格历史和销量趋势。当用户提到Walmart商品详情、沃尔玛产品数据、WallySmarter、沃尔玛价格走势、沃尔玛销量趋势、Walmart product detail, Walmart price history, Walmart sales trend, WallySmarter product时触发此技能。即使用户未明确提及"WallySmarter"，只要其需求涉及查看沃尔玛单个商品的详细信息、历史价格变化或销量走势，也应触发此技能。

WallySmarter Product Detail This skill retrieves detailed product information from Walmart via WallySmarter, including pricing history and sales volume trends. Core Concepts WallySmarter Product Detail looks up a single Walmart product by its ItemId and returns comprehensive product attributes along with historical pricing and sales data. This is a product level deep dive tool, complementing the broader linkfox walmart search skill that operates at the search/listing level. Data scope : Returns current product attributes (title, price, brand, ratings, fulfillment type, etc.) plus historical stats when includeStats is enabled (default). Non structured output : The tool returns mixed structured and non structured data. It does NOT support secondary analysis via @智能数据查询 . Parameter Guide Parameter Type Required Default Description productId integer Yes — Walmart Item ID. Found in product URLs: https://www.walmart.com/ip/<productId includeStats boolean No true Whether to include historical price and sales data Product Data Fields Field Description title Product title description Product description price Current selling price (USD) wasPrice Strikethrough price (USD) minPrice Lowest price (USD) brand Brand name rating Average rating (0.0–5.0) reviews Total review count salesEstimate Estimated sales volume (units) revenue Estimated revenue (USD) sellerName Seller name fulfillmentType Fulfillment: MARKETPLACE or WFS productPageUrl Product page URL imageUrl Product image URL departmentName Department category name departmentId Department ID listingScore Listing quality score contentScore Content quality score outOfStock Stock status: 0=in stock, 1=out of stock sponsored Ad flag: 0=organic, 1=sponsored isBranded Brand flag: 0=no, 1=yes multipleOptionsAvailable Variant flag: 0=no, 1=yes usItemId Internal US Item ID createdAt Product creation timestamp updatedAt Last update timestamp stats Historical price and sales trend data object Usage Examples 1. Basic product lookup (with history) Get full details for a Walmart product including price and sales trends: 2. Product detail only (no history) Get product attributes without historical data for faster response: Display Rules 1. Present data clearly : Show product details in a structured format. Do not add subjective business recommendations unless asked. 2. Price formatting : Display current price alongside wasPrice when available to highlight discounts. Always show USD symbol. 3. Trend summary : When stats data is available, summarize price and sales trends (e.g., "Price dropped 15% over the last 30 days"). 4. Score context : Explain listingScore and contentScore in context (higher = better quality listing). 5. Stock and fulfillment : Clearly flag out of stock items and fulfillment type (WFS vs Marketplace). 6. Single product : This tool queries one product at a time. If the user needs multiple products, call the tool separately for each ItemId. Important Limitations Only supports lookup by Walmart ItemId (the numeric ID in the product URL) Returns non structured data — NOT compatible with @智能数据查询 for secondary analysis Single ItemId per call; batch queries require multiple invocations Historical data availability depends on WallySmarter's tracking coverage User Expression & Scenario Quick Reference Applicable — Walmart single product deep dive: User Says Scenario "查一下这个Walmart商品的详情" Basic product lookup "这个沃尔玛产品最近价格走势如何" Price trend analysis "WallySmarter查Walmart商品5177343351" Direct ID lookup "沃尔玛这个产品销量怎么样" Sales estimate check "Walmart product detail for item XX" English variant "这个Walmart产品最近有没有降价" Price change detection Not applicable — Needs beyond single product detail: Walmart product search by keyword (use linkfox walmart search ) Bulk product comparison across multiple items simultaneously Walmart seller account or advertising metrics Real time inventory or delivery estimates Category level market analysis Boundary judgment : If the user has a specific Walmart product ID or URL and wants detailed attributes, pricing history, or sales trends, this skill applies. If they want to search/browse products by keyword or category, use linkfox walmart search instead. 解决认证和积分问题发生以下异常情况时，采用 references/onboarding.md 引导解决问题：异常情况未配置API Key ：环境变量未配置 LINKFOX AGENT API KEY ，也未配置 LINKFOXAGENT API KEY 。响应401或402状态码响应提示积分或余额不足：消息含"积分余额不足/计费不足/余额不足/quota exceeded/insufficient balance/套餐到期/需充值/请充值"，或类似含义的内容。积分消耗规则按动态规则计费：消耗积分 = tokens × 10.5。只查商品详情、不带历史统计时 tokens = 1；顺带查近 90 天历史统计时每个商品详情 tokens = 2。重要：本技能的服务按倍数动态计算，可能一次性消耗大量积分，必须提醒用户，由用户决定是否继续。 Feedback: Auto detect and report feedback via the Feedback API when any of the following apply: 1. The functionality or purpose described in this skill does not match actual behavior 2. The skill's results do not match the user's intent 3. The user expresses dissatisfaction or praise about this skill 4. Anything you believe could be improved Call the feedback API as specified in references/api.md . Do not interrupt the user's flow. 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