feat: Add tool annotations for improved LLM tool understanding

src/tools/getAllRecipes.ts

@@ -11,6 +11,10 @@ export function registerGetAllRecipesTool(server: McpServer, recipes: Recipe[])
       'no_param': z.string().optional()
                        .describe('无参数')
     },
+    {
+      title: "Get All Recipes",
+      readOnlyHint: true,
+    },
     async () => {
       // 返回更简化版的菜谱数据，只包含name和description
       const simplifiedRecipes = recipes.map(simplifyRecipeNameOnly);

src/tools/getRecipeById.ts

@@ -9,6 +9,10 @@ export function registerGetRecipeByIdTool(server: McpServer, recipes: Recipe[])
     {
       query: z.string().describe('菜谱名称或ID，支持模糊匹配菜谱名称')
     },
+    {
+      title: "Get Recipe by ID",
+      readOnlyHint: true,
+    },
     async ({ query }: { query: string }) => {
       // 首先尝试精确匹配ID
       let foundRecipe = recipes.find(recipe => recipe.id === query);

src/tools/getRecipesByCategory.ts

@@ -11,6 +11,10 @@ export function registerGetRecipesByCategoryTool(server: McpServer, recipes: Rec
       category: z.enum(categories as [string, ...string[]])
                 .describe('菜谱分类名称，如水产、早餐、荤菜、主食等')
     },
+    {
+      title: "Get Recipes by Category",
+      readOnlyHint: true,
+    },
     async ({ category }: { category: string }) => {
       const filteredRecipes = recipes.filter((recipe) => recipe.category === category);
       // 返回简化版的菜谱数据

src/tools/recommendMeals.ts

@@ -15,6 +15,10 @@ export function registerRecommendMealsTool(server: McpServer, recipes: Recipe[])
       peopleCount: z.number().int().min(1).max(10)
                    .describe('用餐人数，1-10之间的整数')
     },
+    {
+      title: "Recommend Weekly Meals",
+      readOnlyHint: true,
+    },
     async ({ allergies = [], avoidItems = [], peopleCount }: { 
       allergies?: string[], 
       avoidItems?: string[], 

src/tools/whatToEat.ts

@@ -11,6 +11,10 @@ export function registerWhatToEatTool(server: McpServer, recipes: Recipe[]) {
       peopleCount: z.number().int().min(1).max(10)
                    .describe('用餐人数，1-10之间的整数，会根据人数推荐合适数量的菜品')
     },
+    {
+      title: "What to Eat",
+      readOnlyHint: true,
+    },
     async ({ peopleCount }: { peopleCount: number }) => {
       // 根据人数计算荤素菜数量
       const vegetableCount = Math.floor((peopleCount + 1) / 2);