fix(codex): preserve custom ccsxp cliproxy base URLs

Preserve valid custom model_providers.cliproxy.base_url values during ccsxp Codex provider repair while keeping local fallback repair for missing or invalid URLs.\n\nCloses #1281

tests/unit/targets/codex-cliproxy-provider-config.test.ts

@@ -78,19 +78,19 @@ wire_api = "responses"
     expect(result.changed).toBe(true);
     expect(result.envKey).toBe('CLIPROXY_API_KEY');
     const rawText = fs.readFileSync(configPath, 'utf8');
-    expect(rawText).toContain(`base_url = "${buildCodexCliproxyProviderBaseUrl(9321)}"`);
+    expect(rawText).toContain('base_url = "http://localhost:8317/api/provider/codex"');
     expect(rawText).toContain('env_key = "CLIPROXY_API_KEY"');
     expect(rawText).toContain('requires_openai_auth = false');
     expect(rawText).toContain('supports_websockets = false');
   });
 
-  it('preserves a custom cliproxy provider env key while repairing other fields', async () => {
+  it('preserves custom cliproxy provider values while repairing other fields', async () => {
     fs.mkdirSync(codexHome, { recursive: true });
     fs.writeFileSync(
       configPath,
       `[model_providers.cliproxy]
 name = "Old Name"
-base_url = "http://localhost:8317/api/provider/codex"
+base_url = "https://cliproxy.example.com/api/provider/codex/responses"
 env_key = "CCS_CUSTOM_CLIPROXY_TOKEN"
 wire_api = "chat"
 `,
@@ -102,11 +102,35 @@ wire_api = "chat"
     expect(result.changed).toBe(true);
     expect(result.envKey).toBe('CCS_CUSTOM_CLIPROXY_TOKEN');
     const rawText = fs.readFileSync(configPath, 'utf8');
-    expect(rawText).toContain(`base_url = "${buildCodexCliproxyProviderBaseUrl(9321)}"`);
+    expect(rawText).toContain(
+      'base_url = "https://cliproxy.example.com/api/provider/codex/responses"'
+    );
     expect(rawText).toContain('env_key = "CCS_CUSTOM_CLIPROXY_TOKEN"');
     expect(rawText).toContain('wire_api = "responses"');
   });
 
+  it('repairs invalid cliproxy provider base URLs back to the managed local default', async () => {
+    fs.mkdirSync(codexHome, { recursive: true });
+    fs.writeFileSync(
+      configPath,
+      `[model_providers.cliproxy]
+name = "CLIProxy Codex"
+base_url = "not-a-url"
+env_key = "CLIPROXY_API_KEY"
+wire_api = "responses"
+requires_openai_auth = false
+supports_websockets = false
+`,
+      'utf8'
+    );
+
+    const result = await ensureCodexCliproxyProviderConfig(9321, env);
+
+    expect(result.changed).toBe(true);
+    const rawText = fs.readFileSync(configPath, 'utf8');
+    expect(rawText).toContain(`base_url = "${buildCodexCliproxyProviderBaseUrl(9321)}"`);
+  });
+
   it('rejects invalid non-table model_providers values without appending broken TOML', async () => {
     fs.mkdirSync(codexHome, { recursive: true });
     const rawText = 'model_providers = "legacy"\n';
@@ -137,6 +161,25 @@ supports_websockets = false
     expect(fs.readFileSync(configPath, 'utf8')).toBe(rawText);
   });
 
+  it('leaves a ready remote provider unchanged', async () => {
+    fs.mkdirSync(codexHome, { recursive: true });
+    const rawText = `[model_providers.cliproxy]
+name = "CLIProxy Codex"
+base_url = "https://cliproxy.example.com/api/provider/codex"
+env_key = "CCS_REMOTE_CLIPROXY_TOKEN"
+wire_api = "responses"
+requires_openai_auth = false
+supports_websockets = false
+`;
+    fs.writeFileSync(configPath, rawText, 'utf8');
+
+    const result = await ensureCodexCliproxyProviderConfig(8317, env);
+
+    expect(result.changed).toBe(false);
+    expect(result.envKey).toBe('CCS_REMOTE_CLIPROXY_TOKEN');
+    expect(fs.readFileSync(configPath, 'utf8')).toBe(rawText);
+  });
+
   it('normalizes a ready native Codex tuning alias before requests reach cliproxy', async () => {
     fs.mkdirSync(codexHome, { recursive: true });
     fs.writeFileSync(

tests/unit/targets/codex-runtime-integration.test.ts

@@ -828,6 +828,60 @@ supports_websockets = false
     ]);
   });
 
+  it('preserves a custom cliproxy provider base_url for ccsxp launches', () => {
+    if (process.platform === 'win32') return;
+
+    const codexHome = path.join(tmpHome, '.codex');
+    fs.mkdirSync(codexHome, { recursive: true });
+    fs.writeFileSync(
+      path.join(codexHome, 'config.toml'),
+      `[model_providers.cliproxy]
+name = "CLIProxy Codex"
+base_url = "https://cliproxy.example.com/api/provider/codex/responses"
+env_key = "CCS_REMOTE_CLIPROXY_TOKEN"
+wire_api = "responses"
+requires_openai_auth = false
+supports_websockets = false
+`,
+      'utf8'
+    );
+
+    const result = runCcsxpAlias(['fix failing tests'], {
+      ...process.env,
+      CI: '1',
+      NO_COLOR: '1',
+      HOME: tmpHome,
+      CCS_HOME: tmpHome,
+      CCS_CODEX_PATH: fakeCodexPath,
+      CCS_TEST_CODEX_ARGS_OUT: codexArgsLogPath,
+      CCS_TEST_CODEX_ENV_OUT: codexEnvLogPath,
+      CCS_TEST_CODEX_LOG_ENV_KEYS: 'CCS_REMOTE_CLIPROXY_TOKEN',
+    });
+
+    expect(result.status).toBe(0);
+    expect(readLoggedCodexCalls(codexArgsLogPath)).toEqual([
+      ['--config', 'model_provider="cliproxy"', 'fix failing tests'],
+    ]);
+    const codexConfig = fs.readFileSync(path.join(codexHome, 'config.toml'), 'utf8');
+    expect(codexConfig).toContain(
+      'base_url = "https://cliproxy.example.com/api/provider/codex/responses"'
+    );
+    expect(codexConfig).toContain('env_key = "CCS_REMOTE_CLIPROXY_TOKEN"');
+    expect(readLoggedCodexEnv(codexEnvLogPath)).toEqual([
+      {
+        CODEX_HOME: codexHome,
+        CODEX_CI: undefined,
+        CODEX_MANAGED_BY_BUN: undefined,
+        CODEX_THREAD_ID: undefined,
+        ANTHROPIC_BASE_URL: undefined,
+        CCS_REMOTE_CLIPROXY_TOKEN: 'ccs-internal-managed',
+        CCS_BROWSER_USER_DATA_DIR: undefined,
+        CCS_BROWSER_PROFILE_DIR: undefined,
+        CCS_BROWSER_DEVTOOLS_WS_URL: undefined,
+      },
+    ]);
+  });
+
   it('keeps ccsxp native when the CCS default profile is a Claude account', () => {
     if (process.platform === 'win32') return;