chore: import upstream snapshot with attribution

tests/unit/proxy-logger-client-ip.test.ts

@@ -0,0 +1,53 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
+
+const TEST_DATA_DIR = fs.mkdtempSync(path.join(os.tmpdir(), "omniroute-proxy-logger-client-ip-"));
+process.env.DATA_DIR = TEST_DATA_DIR;
+
+const core = await import("../../src/lib/db/core.ts");
+const proxyLogger = await import("../../src/lib/proxyLogger.ts");
+
+function resetStorage() {
+  proxyLogger.clearProxyLogs();
+  core.closeDbInstance();
+  fs.rmSync(TEST_DATA_DIR, { recursive: true, force: true });
+  fs.mkdirSync(TEST_DATA_DIR, { recursive: true });
+}
+
+test.beforeEach(() => {
+  resetStorage();
+});
+
+test.after(() => {
+  resetStorage();
+});
+
+test("proxy logs expose the forwarded address as clientIp", () => {
+  proxyLogger.logProxyEvent({
+    status: "success",
+    provider: "codex",
+    targetUrl: "codex/gpt-5.5",
+    clientIp: "127.0.0.1",
+  });
+
+  const [log] = proxyLogger.getProxyLogs({ search: "127.0.0.1" });
+
+  assert.equal(log.clientIp, "127.0.0.1");
+  assert.equal(Object.hasOwn(log, "publicIp"), false);
+});
+
+test("legacy publicIp input maps to clientIp", () => {
+  proxyLogger.logProxyEvent({
+    status: "success",
+    provider: "openrouter",
+    publicIp: "203.0.113.10",
+  });
+
+  const [log] = proxyLogger.getProxyLogs();
+
+  assert.equal(log.clientIp, "203.0.113.10");
+  assert.equal(Object.hasOwn(log, "publicIp"), false);
+});