diff --git a/src/components/usage/providerLabel.ts b/src/components/usage/providerLabel.ts
index 894bf2357..f5c8ab36a 100644
--- a/src/components/usage/providerLabel.ts
+++ b/src/components/usage/providerLabel.ts
@@ -15,6 +15,7 @@ const SESSION_PROVIDER_APPS: Record<string, AppId> = {
   "Grok Build (Session)": "grokbuild",
   "MiniMax Code (Session)": "mcode",
   "Pi (Session)": "pi",
+  "Antigravity (Session)": "agy",
 };
 
 export interface UsageProviderLabel {
diff --git a/tests/components/usageProviderLabel.test.ts b/tests/components/usageProviderLabel.test.ts
index 2d0b02cb8..cb40e5404 100644
--- a/tests/components/usageProviderLabel.test.ts
+++ b/tests/components/usageProviderLabel.test.ts
@@ -1,3 +1,5 @@
+import { readFileSync } from "node:fs";
+import { resolve } from "node:path";
 import { describe, expect, it } from "vitest";
 import type { TFunction } from "i18next";
 import {
@@ -20,6 +22,23 @@ describe("getUsageProviderLabel", () => {
     );
   });
 
+  it("translates every placeholder name the backend can return", () => {
+    // 后端 provider_name_coalesce 里的占位名，新增应用时漏了前端对照表就会原样显示英文全名
+    const rust = readFileSync(
+      resolve(__dirname, "../../src-tauri/src/services/usage_stats.rs"),
+      "utf8",
+    );
+    const names = [...rust.matchAll(/THEN '([^']+ \(Session\))'/g)].map(
+      (m) => m[1],
+    );
+    expect(names).toContain("Antigravity (Session)");
+    for (const name of names) {
+      expect(getUsageProviderLabel(name, t).shortLabel).toBe(
+        "usage.sessionProvider.short",
+      );
+    }
+  });
+
   it("keeps real provider names as-is", () => {
     expect(getUsageProviderLabel("DeepSeek", t)).toEqual({
       label: "DeepSeek",