Initial commit with translated description

tests/llm-usage.test.js

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+const { describe, it } = require("node:test");
+const assert = require("node:assert");
+const { transformLiveUsageData } = require("../src/llm-usage");
+
+describe("llm-usage module", () => {
+  describe("transformLiveUsageData()", () => {
+    it("transforms valid usage data with anthropic provider", () => {
+      const usage = {
+        providers: [
+          {
+            provider: "anthropic",
+            windows: [
+              { label: "5h", usedPercent: 25, resetAt: Date.now() + 3600000 },
+              { label: "Week", usedPercent: 10, resetAt: Date.now() + 86400000 * 3 },
+              { label: "Sonnet", usedPercent: 5, resetAt: Date.now() + 86400000 * 5 },
+            ],
+          },
+        ],
+      };
+
+      const result = transformLiveUsageData(usage);
+      assert.strictEqual(result.source, "live");
+      assert.strictEqual(result.claude.session.usedPct, 25);
+      assert.strictEqual(result.claude.session.remainingPct, 75);
+      assert.strictEqual(result.claude.weekly.usedPct, 10);
+      assert.strictEqual(result.claude.sonnet.usedPct, 5);
+    });
+
+    it("handles auth error from provider", () => {
+      const usage = {
+        providers: [{ provider: "anthropic", error: "403 Forbidden" }],
+      };
+
+      const result = transformLiveUsageData(usage);
+      assert.strictEqual(result.source, "error");
+      assert.strictEqual(result.errorType, "auth");
+      assert.ok(result.error.includes("403"));
+      assert.strictEqual(result.claude.session.usedPct, null);
+    });
+
+    it("handles missing windows gracefully", () => {
+      const usage = { providers: [{ provider: "anthropic", windows: [] }] };
+      const result = transformLiveUsageData(usage);
+      assert.strictEqual(result.source, "live");
+      assert.strictEqual(result.claude.session.usedPct, 0);
+      assert.strictEqual(result.claude.weekly.usedPct, 0);
+    });
+
+    it("handles codex provider data", () => {
+      const usage = {
+        providers: [
+          { provider: "anthropic", windows: [] },
+          {
+            provider: "openai-codex",
+            windows: [
+              { label: "5h", usedPercent: 30 },
+              { label: "Day", usedPercent: 15 },
+            ],
+          },
+        ],
+      };
+
+      const result = transformLiveUsageData(usage);
+      assert.strictEqual(result.codex.usage5hPct, 30);
+      assert.strictEqual(result.codex.usageDayPct, 15);
+    });
+
+    it("handles missing providers gracefully", () => {
+      const usage = { providers: [] };
+      const result = transformLiveUsageData(usage);
+      assert.strictEqual(result.source, "live");
+      assert.strictEqual(result.codex.usage5hPct, 0);
+    });
+
+    it("formats reset time correctly", () => {
+      const usage = {
+        providers: [
+          {
+            provider: "anthropic",
+            windows: [{ label: "5h", usedPercent: 50, resetAt: Date.now() + 30 * 60000 }],
+          },
+        ],
+      };
+      const result = transformLiveUsageData(usage);
+      assert.ok(result.claude.session.resetsIn.includes("m"));
+    });
+  });
+});