feat(cliproxy): add xAI Grok provider

tests/unit/auth/profile-detector.test.ts

@@ -94,12 +94,20 @@ describe('ProfileDetector', () => {
     });
 
     it('should detect newly added cliproxy providers', () => {
+      expect(detector.detectProfileType('xai').provider).toBe('xai');
       expect(detector.detectProfileType('gitlab').provider).toBe('gitlab');
       expect(detector.detectProfileType('codebuddy').provider).toBe('codebuddy');
       expect(detector.detectProfileType('kilo').provider).toBe('kilo');
       expect(detector.detectProfileType('qoder').provider).toBe('qoder');
     });
 
+    it('should resolve the grok CLI alias to canonical xai routing', () => {
+      const result = detector.detectProfileType('grok');
+      expect(result.type).toBe('cliproxy');
+      expect(result.name).toBe('xai');
+      expect(result.provider).toBe('xai');
+    });
+
     it('should detect settings-based profile from unified config', () => {
       const settingsPath = path.join(tempDir, 'glm.settings.json');
       fs.writeFileSync(settingsPath, JSON.stringify({ env: { ANTHROPIC_MODEL: 'glm-4' } }));

tests/unit/commands/completion-backend.test.ts

@@ -82,6 +82,8 @@ describe('completion backend', () => {
     expect(values).toContain('cursor');
     expect(values).toContain('copilot');
     expect(values).toContain('gemini');
+    expect(values).toContain('xai');
+    expect(values).toContain('grok');
     expect(values).toContain('gitlab');
     expect(values).toContain('codebuddy');
     expect(values).toContain('kilo');
@@ -94,6 +96,11 @@ describe('completion backend', () => {
     expect(values).not.toContain('--uninstall');
   });
 
+  test('offers provider flags for both xai and grok shortcuts', () => {
+    expect(suggestionValues(['xai'])).toEqual(expect.arrayContaining(['--auth', '--accounts']));
+    expect(suggestionValues(['grok'])).toEqual(expect.arrayContaining(['--auth', '--accounts']));
+  });
+
   test('suggests help topics from the help command', () => {
     const values = suggestionValues(['help']);
     expect(values).toContain('profiles');

tests/unit/commands/help-command-parity.test.ts

@@ -57,6 +57,8 @@ describe('help command parity', () => {
     expect(rendered.includes('ccs help kiro')).toBe(true);
     expect(rendered.includes('gemini')).toBe(true);
     expect(rendered.includes('codex')).toBe(true);
+    expect(rendered.includes('xai')).toBe(true);
+    expect(rendered.includes('alias: grok')).toBe(true);
     expect(rendered.includes('ghcp')).toBe(true);
     expect(rendered.includes('gitlab')).toBe(true);
     expect(rendered.includes('codebuddy')).toBe(true);