feat: 增加简化版json数据

backend/docs/swagger.yaml

@@ -196,6 +196,44 @@ definitions:
           $ref: '#/definitions/models.Node'
         type: array
     type: object
+  models.SimpleEdge:
+    properties:
+      label:
+        example: 包含
+        type: string
+      source:
+        example: "1"
+        type: string
+      target:
+        example: "2"
+        type: string
+      type:
+        example: CONTAINS
+        type: string
+    type: object
+  models.SimpleGraphData:
+    properties:
+      edges:
+        items:
+          $ref: '#/definitions/models.SimpleEdge'
+        type: array
+      nodes:
+        items:
+          $ref: '#/definitions/models.SimpleNode'
+        type: array
+    type: object
+  models.SimpleNode:
+    properties:
+      id:
+        example: "1"
+        type: string
+      label:
+        example: 人工智能
+        type: string
+      type:
+        example: 概念
+        type: string
+    type: object
   models.UpdateNodeRequest:
     properties:
       label:
@@ -302,6 +340,21 @@ paths:
           schema:
             $ref: '#/definitions/models.ErrorResponse'
       summary: 获取图数据
+  /api/graph/simpleJson:
+    get:
+      description: 获取知识图谱的全部节点和边数据（仅保留核心信息，适合LLM处理）
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: 成功
+          schema:
+            $ref: '#/definitions/models.SimpleGraphData'
+        "500":
+          description: 内部错误
+          schema:
+            $ref: '#/definitions/models.ErrorResponse'
+      summary: 获取简化图数据
   /api/graph/stats:
     get:
       description: 获取知识图谱的节点数、边数等统计信息