feat: export business ability metrics

tests/audience-profile-csv.test.ts

@@ -35,6 +35,45 @@ describe("audience-profile-csv", () => {
             status: "success"
           }
         },
+        businessAbility: {
+          estimates: {
+            oneToTwenty: {
+              expectedCpe: "2.1",
+              expectedCpm: "120",
+              expectedPlay: "250w",
+              hotRate: "100%"
+            },
+            twentyToSixty: {
+              expectedCpe: "3.7",
+              expectedCpm: "212",
+              expectedPlay: "250w",
+              hotRate: "100%"
+            }
+          },
+          status: "success",
+          videos: {
+            personalVideo: {
+              averageComment: "4.5w",
+              averageDuration: "150s",
+              averageLike: "113.2w",
+              averageShare: "26.5w",
+              finishRate: "15.8%",
+              interactionRate: "3.9%",
+              medianPlay: "3738.4w",
+              publishedItems: "<5"
+            },
+            xingtuVideo: {
+              averageComment: "5.1w",
+              averageDuration: "170s",
+              averageLike: "150.3w",
+              averageShare: "68.4w",
+              finishRate: "19.9%",
+              interactionRate: "5.5%",
+              medianPlay: "4059.7w",
+              publishedItems: "<5"
+            }
+          }
+        },
         record: {
           authorId: "123",
           authorName: "达人 A",
@@ -52,6 +91,11 @@ describe("audience-profile-csv", () => {
     expect(headerLine).toContain("达人信息,连接用户数");
     expect(headerLine).not.toContain("抓取状态");
     expect(headerLine).not.toContain("失败原因");
+    expect(headerLine).toContain("商业能力-个人视频-播放量中位数");
+    expect(headerLine).toContain("商业能力-星图视频-平均转发");
+    expect(headerLine).toContain("商业能力-1-20s视频-预期CPM");
+    expect(headerLine).toContain("商业能力-20-60s视频-爆文率");
+    expect(headerLine).toContain("商业能力-60s以上视频-预期播放量");
     expect(headerLine).toContain("观众画像-男性占比");
     expect(headerLine).toContain("粉丝画像-女性占比");
     expect(headerLine).not.toContain("铁粉画像-男性占比");
@@ -63,6 +107,10 @@ describe("audience-profile-csv", () => {
     expect(headerLine).not.toContain("兴趣TOP");
     expect(rowLine).toContain("71.7%");
     expect(rowLine).toContain("60%");
+    expect(readCsvValue(csv, "商业能力-个人视频-播放量中位数")).toBe("3738.4w");
+    expect(readCsvValue(csv, "商业能力-星图视频-平均转发")).toBe("68.4w");
+    expect(readCsvValue(csv, "商业能力-1-20s视频-预期CPM")).toBe("120");
+    expect(readCsvValue(csv, "商业能力-20-60s视频-爆文率")).toBe("100%");
   });
 
   test("leaves distribution cells empty when profile loading fails", () => {