fix:Add a new vendor page, API endpoint, and model name. (#1155)

* fix:Add a new vendor page, API endpoint, and model name. Fix the bug where, after entering characters, line breaks cannot be fully deleted.

* fix: add missing i18n key codexConfig.modelNameHint for zh/en/ja

---------

Co-authored-by: Jason <farion1231@gmail.com>

tests/utils/providerConfigUtils.codex.test.ts

@@ -0,0 +1,55 @@
+import { describe, expect, it } from "vitest";
+import {
+  extractCodexBaseUrl,
+  extractCodexModelName,
+  setCodexBaseUrl,
+  setCodexModelName,
+} from "@/utils/providerConfigUtils";
+
+describe("Codex TOML utils", () => {
+  it("removes base_url line when set to empty", () => {
+    const input = [
+      'model_provider = "openai"',
+      'base_url = "https://api.example.com/v1"',
+      'model = "gpt-5-codex"',
+      "",
+    ].join("\n");
+
+    const output = setCodexBaseUrl(input, "");
+
+    expect(output).not.toMatch(/^\s*base_url\s*=/m);
+    expect(extractCodexBaseUrl(output)).toBeUndefined();
+    expect(extractCodexModelName(output)).toBe("gpt-5-codex");
+  });
+
+  it("removes model line when set to empty", () => {
+    const input = [
+      'model_provider = "openai"',
+      'base_url = "https://api.example.com/v1"',
+      'model = "gpt-5-codex"',
+      "",
+    ].join("\n");
+
+    const output = setCodexModelName(input, "");
+
+    expect(output).not.toMatch(/^\s*model\s*=/m);
+    expect(extractCodexModelName(output)).toBeUndefined();
+    expect(extractCodexBaseUrl(output)).toBe("https://api.example.com/v1");
+  });
+
+  it("updates existing values when non-empty", () => {
+    const input = [
+      'model_provider = "openai"',
+      "base_url = 'https://old.example/v1'",
+      'model = "old-model"',
+      "",
+    ].join("\n");
+
+    const output1 = setCodexBaseUrl(input, " https://new.example/v1 \n");
+    expect(extractCodexBaseUrl(output1)).toBe("https://new.example/v1");
+
+    const output2 = setCodexModelName(output1, " new-model \n");
+    expect(extractCodexModelName(output2)).toBe("new-model");
+  });
+});
+