fix: 修复6项测试问题并补全配套资源

- 修复油脂类食物推荐量系数 (5.7→2.5) [ToolCalculatorServiceImpl]
- AI营养师接入真实Coze API，替换Mock回复 [ToolAiNutritionistServiceImpl]
- 食物百科详情新增钙/铁/维C/嘌呤/重量基准字段返回 [ToolFoodServiceImpl]
- V2Food模型新增purine、servingSize字段 [V2Food.java]
- 食物百科详情页动态重量标注+新增4项营养展示+替换Figma URL [food-detail.vue]
- 修复营养素列表dataset传参Bug(WeChat camelCase) [nutrition-knowledge.vue]
- 营养素详情页接入后端API+兜底本地数据+替换Figma URL [nutrient-detail.vue]
- 新增数据库迁移脚本及参考初始化数据 [docs/sql/]
- 新增前端占位图标5个 [static/images/]
- 新增开发任务完成报告 [docs/]

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

msh_single_uniapp/pages/tool/nutrient-detail.vue

@@ -108,40 +108,34 @@ export default {
 	data() {
 		return {
 			// 图标资源
-			iconWhyImportant: 'https://www.figma.com/api/mcp/asset/51e00c9b-5719-4391-9dff-68b70d24aece',
-			iconRecommendation: 'https://www.figma.com/api/mcp/asset/29e03ae9-a3ba-4416-8c6e-962bf3a8c8bb',
-			iconSuggestions: 'https://www.figma.com/api/mcp/asset/9027fced-f029-4f65-bba1-a0b5883b8d2b',
-			nutrientData: {
-				name: '钠',
-				english: 'Sodium (Na)',
-				icon: '🧂',
-				description: '调节体液平衡的电解质',
-				status: '适量控制',
-				statusDesc: '可适量补充，保持均衡',
-				importance: '钠参与调节体液平衡和血压，过多摄入会导致水肿和高血压，增加心血管负担。',
-				recommendation: 'CKD患者：2-3g食盐/天（相当于800-1200mg钠）',
-				foodSources: ['食盐', '酱油', '腌制食品', '加工肉类', '咸菜', '味精'],
-				riskWarning: '摄入过多会导致水肿、高血压、心力衰竭等问题。',
-				suggestions: [
-					'每日食盐控制在3-5g（约一啤酒瓶盖）',
-					'避免腌制、熏制食品',
-					'少用酱油、味精等调味品',
-					'可用葱姜蒜、柠檬汁调味',
-					'查看食品标签，选择低钠产品',
-					'透析患者控制饮水量'
-				],
-				disclaimer: '以上建议仅供参考，\n\r 具体方案请咨询您的医生或营养师'
-			}
+			iconWhyImportant: '/static/images/icon-why-important.png',
+			iconRecommendation: '/static/images/icon-recommendation.png',
+			iconSuggestions: '/static/images/icon-suggestions.png',
+			nutrientName: '',
+			nutrientData: {}
 		}
 	},
 	onLoad(options) {
 		// 根据传入的营养素名称加载对应数据
 		if (options.name) {
-			this.loadNutrientData(options.name)
+			this.nutrientName = decodeURIComponent(options.name)
+			this.loadNutrientData(this.nutrientName)
 		}
 	},
 	methods: {
-		loadNutrientData(name) {
+		async loadNutrientData(name) {
+			// 优先调用后端接口获取营养素详情
+			try {
+				const { getNutrientDetail } = await import('@/api/tool.js')
+				const res = await getNutrientDetail(name)
+				if (res && res.data) {
+					this.nutrientData = res.data
+					return
+				}
+			} catch (e) {
+				console.warn('API获取营养素详情失败，使用本地数据', e)
+			}
+			// 兜底：使用本地 nutrientMap
 			const nutrientMap = {
 				'钠': {
 					name: '钠',
@@ -271,9 +265,7 @@ export default {
 				}
 			}
 
-			if (nutrientMap[name]) {
-				this.nutrientData = nutrientMap[name]
-			}
+			this.nutrientData = nutrientMap[name] || {}
 		}
 	}
 }