feat: deprecate GLMT user-facing surfaces

tests/unit/api/provider-presets.test.ts

@@ -42,6 +42,12 @@ describe('provider-presets', () => {
     expect(preset?.id).toBe('km');
   });
 
+  it('resolves legacy glmt preset alias to glm', () => {
+    const preset = getPresetById('glmt');
+    expect(preset?.id).toBe('glm');
+    expect(preset?.baseUrl).toBe('https://api.z.ai/api/anthropic');
+  });
+
   it('resolves preset id with extra whitespace', () => {
     const preset = getPresetById('  km  ');
     expect(preset?.id).toBe('km');
@@ -56,6 +62,11 @@ describe('provider-presets', () => {
     expect(isValidPresetId('kimi')).toBe(true);
   });
 
+  it('keeps glmt out of the canonical preset catalog while preserving alias compatibility', () => {
+    expect(PROVIDER_PRESETS.some((preset) => preset.id === 'glmt')).toBe(false);
+    expect(isValidPresetId('glmt')).toBe(true);
+  });
+
   it('uses non-reserved default profile name for qwen API preset', () => {
     const preset = getPresetById('qwen');
     expect(preset?.defaultProfileName).toBe('qwen-api');