fix(editor): translate the code vision usage counts

The usages hint above declarations ("no usages", "1 usage", "N usages")
was always English. It now goes through the text catalog, with Chinese
entries.

src/editor/lsp/codeLens.test.ts

@@ -79,6 +79,17 @@ const item = (name: string, kind: OutlineItem["kind"], line: number, children: O
   return { name, kind, detail: null, range: r, selection_range: r, children };
 };
 
+describe("usages label", () => {
+  it("is translated", async () => {
+    const { usagesLabel } = await import("./codeLens");
+    const { setLocale } = await import("@/platform/i18n");
+    expect([0, 1, 3].map(usagesLabel)).toEqual(["no usages", "1 usage", "3 usages"]);
+    await setLocale("zh");
+    expect([0, 1, 3].map(usagesLabel)).toEqual(["无用法", "1 个用法", "3 个用法"]);
+    await setLocale("en");
+  });
+});
+
 describe("usages lens targets", () => {
   it("skips callbacks and anonymous functions", () => {
     const items = [

src/editor/lsp/codeLens.ts

@@ -81,8 +81,8 @@ export function lensTargets(items: readonly OutlineItem[]): LensTarget[] {
 }
 
 export function usagesLabel(n: number): string {
-  if (n === 0) return "no usages";
-  return n === 1 ? "1 usage" : `${n} usages`;
+  if (n === 0) return tx("no usages");
+  return n === 1 ? tx("1 usage") : tx`${n} usages`;
 }
 
 const setLenses = StateEffect.define<CodeLens[]>();

src/platform/locales/text/en.json

@@ -1469,5 +1469,8 @@
   "Commands agents run appear in the Run tool window as _agent_ tabs. Beyond this many finished ones, the oldest move to the archive at the end of the tab strip. Running commands are never archived.": "Commands agents run appear in the Run tool window as _agent_ tabs. Beyond this many finished ones, the oldest move to the archive at the end of the tab strip. Running commands are never archived.",
   "Archived agent tabs to keep": "Archived agent tabs to keep",
   "Beyond this many archived agent tabs, the oldest are closed.": "Beyond this many archived agent tabs, the oldest are closed.",
-  "Archived ({count})": "Archived ({count})"
+  "Archived ({count})": "Archived ({count})",
+  "no usages": "no usages",
+  "1 usage": "1 usage",
+  "{n} usages": "{n} usages"
 }

src/platform/locales/text/zh.json

@@ -7867,5 +7867,8 @@
   "Commands agents run appear in the Run tool window as _agent_ tabs. Beyond this many finished ones, the oldest move to the archive at the end of the tab strip. Running commands are never archived.": "智能体运行的命令以 _agent_ 标签显示在运行工具窗口中。已结束的标签超过这个数量时，最旧的会移入标签栏末尾的归档。正在运行的命令永远不会被归档。",
   "Archived agent tabs to keep": "保留的已归档智能体标签数",
   "Beyond this many archived agent tabs, the oldest are closed.": "已归档的智能体标签超过这个数量时，最旧的会被关闭。",
-  "Archived ({count})": "归档({count})"
+  "Archived ({count})": "归档({count})",
+  "no usages": "无用法",
+  "1 usage": "1 个用法",
+  "{n} usages": "{n} 个用法"
 }