feat: add workflow toolkit and runtime support

tools/anysearch_search.yaml

@@ -0,0 +1,47 @@
+name: anysearch_search
+desc: 使用 AnySearch 统一搜索 API 搜索互联网、文档、学术、代码等信息，返回结果列表和搜索元数据。默认匿名访问。
+params:
+    - name: query
+      type: string
+      required: true
+      description: 搜索关键词或问题
+    - name: max_results
+      type: integer
+      required: false
+      default: "10"
+      description: 返回结果数量，范围 1-20，默认 10
+steps:
+    - url: https://api.anysearch.com/v1/search
+      method: POST
+      headers:
+          Content-Type: application/json
+      body: |
+          {
+            "query": "${param:query}",
+            "max_results": ${param:max_results},
+            "format": "json"
+          }
+      timeout: 30
+      var:
+          - name: code
+            extract: code
+            default: "-1"
+          - name: message
+            extract: message
+            default: ""
+          - name: request_id
+            extract: request_id
+            default: ""
+          - name: results
+            extract: data.results
+            default: "[]"
+          - name: total_results
+            extract: data.metadata.total_results
+            default: "0"
+          - name: search_time_ms
+            extract: data.metadata.search_time_ms
+            default: "0"
+      result: |
+          AnySearch code=${step0:code}, message=${step0:message}, request_id=${step0:request_id}
+          total_results=${step0:total_results}, search_time_ms=${step0:search_time_ms}
+          results=${step0:results}

tools/query_weatcher.yaml

@@ -0,0 +1,21 @@
+name: get_weather
+desc: 查询指定城市实时天气
+params:
+    - name: city
+      type: string
+      required: true
+      description: 城市名称
+env:
+    - WEATHER_API_KEY
+steps:
+    - url: https://api.weather.com/current?q=${param:city}&key=${env:WEATHER_API_KEY}
+      method: GET
+      var:
+          - name: city_name
+            extract: location.name
+          - name: temp
+            extract: current.temp_c
+          - name: condition
+            extract: current.condition.text
+      result: |
+          ${step0:city_name} 当前温度 ${step0:temp}°C，${step0:condition}