feat: update chart data description of group field

__tests__/charts/area.json

@@ -23,7 +23,7 @@
           },
           "required": ["time", "value"]
         },
-        "description": "Data for area chart, such as, [{ time: '2018', value: 99.9 }]."
+        "description": "Data for area chart, it should be an array of objects, each object contains a `time` field and a `value` field, such as, [{ time: '2015', value: 23 }, { time: '2016', value: 32 }], when stacking is needed for area, the data should contain a `group` field, such as, [{ time: '2015', value: 23, group: 'A' }, { time: '2015', value: 32, group: 'B' }]."
       },
       "stack": {
         "type": "boolean",

__tests__/charts/column.json

@@ -23,7 +23,7 @@
           },
           "required": ["category", "value"]
         },
-        "description": "Data for column chart, such as, [{ category: '分类一', value: 10 }, { category: '分类二', value: 20 }], when grouping or stacking is needed for column, the data should contain a `group` field, such as, when [{ category: '北京', value: 825, group: '油车' }, { category: '北京', value: 1000, group: '电车' }]."
+        "description": "Data for column chart, such as, [{ category: 'Category A', value: 10 }, { category: 'Category B', value: 20 }], when grouping or stacking is needed for column, the data should contain a 'group' field, such as, [{ category: 'Beijing', value: 825, group: 'Gas Car' }, { category: 'Beijing', value: 1000, group: 'Electric Car' }]."
       },
       "group": {
         "type": "boolean",

__tests__/charts/line.json

@@ -23,7 +23,7 @@
           },
           "required": ["time", "value"]
         },
-        "description": "Data for line chart, it should be an array of objects, each object contains a `time` field and a `value` field, such as, [{ time: '2015', value: 23 }, { time: '2016', value: 32 }]."
+        "description": "Data for line chart, it should be an array of objects, each object contains a `time` field and a `value` field, such as, [{ time: '2015', value: 23 }, { time: '2016', value: 32 }], when the data is grouped by time, the `group` field should be used to specify the group, such as, [{ time: '2015', value: 23, group: 'A' }, { time: '2015', value: 32, group: 'B' }]."
       },
       "theme": {
         "default": "default",

__tests__/charts/radar.json

@@ -23,7 +23,7 @@
           },
           "required": ["name", "value"]
         },
-        "description": "Data for radar chart, it should be an array of objects, each object contains a `name` field and a `value` field, such as, [{ name: 'Design', value: 70 }]."
+        "description": "Data for radar chart, it should be an array of objects, each object contains a `name` field and a `value` field, such as, [{ name: 'Design', value: 70 }], when the data is grouped by `group`, the `group` field is required, such as, [{ name: 'Design', value: 70, group: 'Huawei' }]."
       },
       "style": {
         "description": "Style configuration for the chart with a JSON object, optional.",

__tests__/charts/scatter.json

@@ -24,7 +24,7 @@
           },
           "required": ["x", "y"]
         },
-        "description": "Data for scatter chart, such as, [{ x: 10, y: 15 }]."
+        "description": "Data for scatter chart, such as, [{ x: 10, y: 15 }], when the data is grouped, the group name can be specified in the `group` field, such as, [{ x: 10, y: 15, group: 'Group A' }]."
       },
       "theme": {
         "default": "default",

__tests__/charts/violin.json

@@ -25,7 +25,7 @@
           "required": ["category", "value"]
         },
         "minItems": 1,
-        "description": "Data for violin chart, such as, [{ category: '分类一', value: 10 }] or [{ category: '分类二', value: 20, group: '组别一' }]."
+        "description": "Data for violin chart, such as, [{ category: 'Category A', value: 10 }], when the data is grouped, the 'group' field is required, such as, [{ category: 'Category B', value: 20, group: 'Group A' }]."
       },
       "theme": {
         "type": "string",

package.json

@@ -1,7 +1,7 @@
 {
   "name": "@antv/mcp-server-chart",
   "description": "A Model Context Protocol server for generating charts using AntV. This is a TypeScript-based MCP server that provides chart generation capabilities. It allows you to create various types of charts through MCP tools.",
-  "version": "0.9.4",
+  "version": "0.9.5",
   "main": "build/index.js",
   "types": "build/index.d.ts",
   "exports": {

src/charts/area.ts

@@ -24,7 +24,9 @@ const data = z.object({
 const schema = {
   data: z
     .array(data)
-    .describe("Data for area chart, such as, [{ time: '2018', value: 99.9 }].")
+    .describe(
+      "Data for area chart, it should be an array of objects, each object contains a `time` field and a `value` field, such as, [{ time: '2015', value: 23 }, { time: '2016', value: 32 }], when stacking is needed for area, the data should contain a `group` field, such as, [{ time: '2015', value: 23, group: 'A' }, { time: '2015', value: 32, group: 'B' }].",
+    )
     .nonempty({ message: "Area chart data cannot be empty." }),
   stack: z
     .boolean()

src/charts/column.ts

@@ -24,7 +24,7 @@ const schema = {
   data: z
     .array(data)
     .describe(
-      "Data for column chart, such as, [{ category: '分类一', value: 10 }, { category: '分类二', value: 20 }], when grouping or stacking is needed for column, the data should contain a `group` field, such as, when [{ category: '北京', value: 825, group: '油车' }, { category: '北京', value: 1000, group: '电车' }].",
+      "Data for column chart, such as, [{ category: 'Category A', value: 10 }, { category: 'Category B', value: 20 }], when grouping or stacking is needed for column, the data should contain a 'group' field, such as, [{ category: 'Beijing', value: 825, group: 'Gas Car' }, { category: 'Beijing', value: 1000, group: 'Electric Car' }].",
     )
     .nonempty({ message: "Column chart data cannot be empty." }),
   group: z

src/charts/line.ts

@@ -24,7 +24,7 @@ const schema = {
   data: z
     .array(data)
     .describe(
-      "Data for line chart, it should be an array of objects, each object contains a `time` field and a `value` field, such as, [{ time: '2015', value: 23 }, { time: '2016', value: 32 }].",
+      "Data for line chart, it should be an array of objects, each object contains a `time` field and a `value` field, such as, [{ time: '2015', value: 23 }, { time: '2016', value: 32 }], when the data is grouped by time, the `group` field should be used to specify the group, such as, [{ time: '2015', value: 23, group: 'A' }, { time: '2015', value: 32, group: 'B' }].",
     )
     .nonempty({ message: "Line chart data cannot be empty." }),
   style: z

src/charts/radar.ts

@@ -22,7 +22,7 @@ const schema = {
   data: z
     .array(data)
     .describe(
-      "Data for radar chart, it should be an array of objects, each object contains a `name` field and a `value` field, such as, [{ name: 'Design', value: 70 }].",
+      "Data for radar chart, it should be an array of objects, each object contains a `name` field and a `value` field, such as, [{ name: 'Design', value: 70 }], when the data is grouped by `group`, the `group` field is required, such as, [{ name: 'Design', value: 70, group: 'Huawei' }].",
     )
     .nonempty({ message: "Radar chart data cannot be empty." }),
   style: z

src/charts/scatter.ts

@@ -23,7 +23,9 @@ const data = z.object({
 const schema = {
   data: z
     .array(data)
-    .describe("Data for scatter chart, such as, [{ x: 10, y: 15 }].")
+    .describe(
+      "Data for scatter chart, such as, [{ x: 10, y: 15 }], when the data is grouped, the group name can be specified in the `group` field, such as, [{ x: 10, y: 15, group: 'Group A' }].",
+    )
     .nonempty({ message: "Scatter chart data cannot be empty." }),
   style: z
     .object({

src/charts/violin.ts

@@ -29,7 +29,7 @@ const schema = {
   data: z
     .array(data)
     .describe(
-      "Data for violin chart, such as, [{ category: '分类一', value: 10 }] or [{ category: '分类二', value: 20, group: '组别一' }].",
+      "Data for violin chart, such as, [{ category: 'Category A', value: 10 }], when the data is grouped, the 'group' field is required, such as, [{ category: 'Category B', value: 20, group: 'Group A' }].",
     )
     .nonempty({ message: "Violin chart data cannot be empty." }),
   style: z