diff --git a/packages/api/generated/openapi.json b/packages/api/generated/openapi.json
index 41f46cc..74f0fcb 100644
--- a/packages/api/generated/openapi.json
+++ b/packages/api/generated/openapi.json
@@ -602,7 +602,7 @@
       "get": {
         "operationId": "getBoard",
         "summary": "批量获取指定版面",
-        "description": "根据一个或多个版面 ID 批量返回版面信息，常用于补齐收藏和主题记录中的版面资料。",
+        "description": "批量查询一个或多个版面，返回值字段与 /board/{boardId} 相同。适合已有多个版面 ID 时一次补齐收藏、主题记录等列表中的版面资料，避免逐个请求。不存在的 ID 会被忽略，全部 ID 均不存在时返回 404；调用方应按 id 关联结果，不应依赖响应顺序。",
         "tags": ["Board"],
         "security": [],
         "x-cc98-risk": "read-only",
@@ -617,15 +617,15 @@
               "items": {
                 "type": "number"
               },
-              "description": "要查询的版面 ID，可重复传入多个 id 参数。"
+              "description": "要查询的版面 ID，可重复传入多个 id 参数；重复的 ID 只返回一次。"
             },
             "required": true,
-            "description": "要查询的版面 ID，可重复传入多个 id 参数。"
+            "description": "要查询的版面 ID，可重复传入多个 id 参数；重复的 ID 只返回一次。"
           }
         ],
         "responses": {
           "200": {
-            "description": "成功获取指定版面列表",
+            "description": "成功获取至少一个匹配的版面详情列表",
             "content": {
               "application/json": {
                 "schema": {
@@ -680,7 +680,7 @@
                 "schema": {
                   "type": "array",
                   "items": {
-                    "$ref": "#/components/schemas/Board"
+                    "$ref": "#/components/schemas/BoardSummary"
                   }
                 }
               }
@@ -703,7 +703,7 @@
       "get": {
         "operationId": "getBoardBoardId",
         "summary": "获取版面详情",
-        "description": "返回版面公告、简介、统计、访问限制和当前访问者能力。登录后还会包含是否已关注等用户相关状态。",
+        "description": "查询单个版面并直接返回一个 Board 对象；需要同时查询多个版面时应使用 /board/ 批量接口，两者返回相同的版面字段。本接口包含版面公告、简介、统计、访问限制和当前访问者能力，登录后还会包含是否已关注等用户相关状态。",
         "tags": ["Board"],
         "security": [],
         "x-cc98-risk": "read-only",
@@ -8643,13 +8643,70 @@
             "description": "分组内的版面概要列表。",
             "type": "array",
             "items": {
-              "$ref": "#/components/schemas/Board"
+              "$ref": "#/components/schemas/BoardSummary"
             }
           }
         },
         "additionalProperties": {},
         "description": "论坛版面导航中的一级分组。"
       },
+      "BoardSummary": {
+        "type": "object",
+        "properties": {
+          "id": {
+            "description": "版面 ID。",
+            "type": "number"
+          },
+          "name": {
+            "description": "版面名称。",
+            "type": "string"
+          },
+          "description": {
+            "description": "版面简介；未配置时可能为 null。",
+            "anyOf": [
+              {
+                "type": "string"
+              },
+              {
+                "type": "null"
+              }
+            ]
+          },
+          "topicCount": {
+            "description": "版面主题总数。",
+            "type": "number"
+          },
+          "postCount": {
+            "description": "版面回复总数。",
+            "type": "number"
+          },
+          "todayCount": {
+            "description": "版面今日回复数。",
+            "type": "number"
+          },
+          "boardMasters": {
+            "description": "版主用户名列表。",
+            "type": "array",
+            "items": {
+              "type": "string"
+            }
+          },
+          "anonymousState": {
+            "description": "匿名发帖模式：0 为不可匿名，1 为只能匿名，2、3 均允许在发主题时选择是否匿名；2 与 3 在回复场景中的具体差异尚未完全确认。",
+            "type": "number"
+          },
+          "showShareTip": {
+            "description": "是否展示版面分享提示，具体触发场景尚未确认。",
+            "type": "boolean"
+          },
+          "canVote": {
+            "description": "当前访问者是否可以在版面发布投票主题。",
+            "type": "boolean"
+          }
+        },
+        "additionalProperties": {},
+        "description": "版面导航中的版面概要，仅包含 /board/all 实际返回的字段。"
+      },
       "Board": {
         "type": "object",
         "properties": {
diff --git a/packages/api/src/operations/board.ts b/packages/api/src/operations/board.ts
index 23428cd..561ea53 100644
--- a/packages/api/src/operations/board.ts
+++ b/packages/api/src/operations/board.ts
@@ -5,6 +5,7 @@ import {
   boardGroupSchema,
   boardMutedUserSchema,
   boardSchema,
+  boardSummarySchema,
   boardTagDataSchema,
   createTopicRequestSchema,
   errorCodeSchema,
@@ -51,13 +52,13 @@ export const boardOperations = defineOperations([
         in: "query",
         required: true,
         schema: z.array(z.number()),
-        description: "要查询的版面 ID，可重复传入多个 id 参数。",
+        description: "要查询的版面 ID，可重复传入多个 id 参数；重复的 ID 只返回一次。",
         probeValue: 758,
       },
     ],
     responses: {
       "200": {
-        description: "成功获取指定版面列表",
+        description: "成功获取至少一个匹配的版面详情列表",
         contentType: "application/json",
         schema: z.array(boardSchema),
       },
@@ -71,7 +72,8 @@ export const boardOperations = defineOperations([
     risk: "read-only",
     verificationStatus: "verified-anonymous",
     sources: ["legacy-openapi", "live-probe"],
-    description: "根据一个或多个版面 ID 批量返回版面信息，常用于补齐收藏和主题记录中的版面资料。",
+    description:
+      "批量查询一个或多个版面，返回值字段与 /board/{boardId} 相同。适合已有多个版面 ID 时一次补齐收藏、主题记录等列表中的版面资料，避免逐个请求。不存在的 ID 会被忽略，全部 ID 均不存在时返回 404；调用方应按 id 关联结果，不应依赖响应顺序。",
   },
   {
     method: "GET",
@@ -93,7 +95,7 @@ export const boardOperations = defineOperations([
       "200": {
         description: "成功获取名称或简介匹配关键词的版面",
         contentType: "application/json",
-        schema: z.array(boardSchema),
+        schema: z.array(boardSummarySchema),
       },
       default: {
         description: "API 错误码",
@@ -140,7 +142,7 @@ export const boardOperations = defineOperations([
     verificationStatus: "verified-anonymous",
     sources: ["legacy-openapi", "live-probe"],
     description:
-      "返回版面公告、简介、统计、访问限制和当前访问者能力。登录后还会包含是否已关注等用户相关状态。",
+      "查询单个版面并直接返回一个 Board 对象；需要同时查询多个版面时应使用 /board/ 批量接口，两者返回相同的版面字段。本接口包含版面公告、简介、统计、访问限制和当前访问者能力，登录后还会包含是否已关注等用户相关状态。",
   },
   {
     method: "GET",
diff --git a/packages/api/src/schemas/board.ts b/packages/api/src/schemas/board.ts
index a380a5e..567c9bb 100644
--- a/packages/api/src/schemas/board.ts
+++ b/packages/api/src/schemas/board.ts
@@ -85,6 +85,25 @@ export const boardSchema = z
   });
 export type Board = z.infer<typeof boardSchema>;
 
+export const boardSummarySchema = boardSchema
+  .pick({
+    id: true,
+    name: true,
+    description: true,
+    topicCount: true,
+    postCount: true,
+    todayCount: true,
+    boardMasters: true,
+    anonymousState: true,
+    showShareTip: true,
+    canVote: true,
+  })
+  .meta({
+    id: "BoardSummary",
+    description: "版面导航中的版面概要，仅包含 /board/all 实际返回的字段。",
+  });
+export type BoardSummary = z.infer<typeof boardSummarySchema>;
+
 export const tagSchema = z
   .looseObject({
     id: z.number().optional().meta({ description: "全局标签 ID。" }),
@@ -132,7 +151,7 @@ export const boardGroupSchema = z
     name: z.string().optional().meta({ description: "版面分组名称。" }),
     order: z.number().optional().meta({ description: "版面分组的展示顺序。" }),
     masters: z.array(z.string()).optional().meta({ description: "分区主管用户名列表。" }),
-    boards: z.array(boardSchema).optional().meta({ description: "分组内的版面概要列表。" }),
+    boards: z.array(boardSummarySchema).optional().meta({ description: "分组内的版面概要列表。" }),
   })
   .meta({ id: "BoardGroup", description: "论坛版面导航中的一级分组。" });
 export type BoardGroup = z.infer<typeof boardGroupSchema>;
diff --git a/packages/api/tests/contract.test.ts b/packages/api/tests/contract.test.ts
index dc55600..1b6797f 100644
--- a/packages/api/tests/contract.test.ts
+++ b/packages/api/tests/contract.test.ts
@@ -8,6 +8,7 @@ import openIdOpenapi from "../generated/openid.openapi.json" with { type: "json"
 import {
   endpointCatalog,
   boardEventPageSchema,
+  boardSummarySchema,
   boardSchema,
   createPostRequestSchema,
   favoriteTopicGroupSchema,
@@ -108,6 +109,37 @@ describe("API 契约基线", () => {
     });
   });
 
+  it("版面概要不混入详情字段", async () => {
+    const boardAllFixture = JSON.parse(
+      await readFile(
+        resolve(import.meta.dirname, "../fixtures/anonymous/getBoardAll.json"),
+        "utf8",
+      ),
+    );
+    const boardSearchFixture = JSON.parse(
+      await readFile(
+        resolve(import.meta.dirname, "../fixtures/anonymous/getBoardSearch.json"),
+        "utf8",
+      ),
+    );
+    const summary = boardSummarySchema.parse(boardAllFixture[0].boards[0]);
+    const summaryProperties = openapi.components.schemas.BoardSummary.properties;
+
+    expect(summary.showShareTip).toBeTypeOf("boolean");
+    expect(boardSummarySchema.array().safeParse(boardSearchFixture).success).toBe(true);
+    expect(summaryProperties).toHaveProperty("showShareTip");
+    expect(summaryProperties).not.toHaveProperty("logoUri");
+    expect(openapi.components.schemas.BoardGroup.properties.boards.items).toEqual({
+      $ref: "#/components/schemas/BoardSummary",
+    });
+    expect(
+      openapi.paths["/board/search"].get.responses["200"].content["application/json"].schema,
+    ).toEqual({
+      type: "array",
+      items: { $ref: "#/components/schemas/BoardSummary" },
+    });
+  });
+
   it("版务记录分页契约保留总数与事件列表", async () => {
     const fixture = JSON.parse(
       await readFile(