fix(profile): handle km compatibility for legacy kimi api users

tests/unit/utils/profile-compat.test.ts

@@ -0,0 +1,33 @@
+import { describe, expect, it } from 'bun:test';
+import { getProfileLookupCandidates, isLegacyProfileAlias } from '../../../src/utils/profile-compat';
+
+describe('profile-compat', () => {
+  describe('getProfileLookupCandidates', () => {
+    it('returns km candidates with legacy kimi fallback', () => {
+      expect(getProfileLookupCandidates('km')).toEqual(['km', 'kimi']);
+    });
+
+    it('keeps non-aliased profiles unchanged', () => {
+      expect(getProfileLookupCandidates('glm')).toEqual(['glm']);
+    });
+
+    it('normalizes uppercase input and still resolves aliases', () => {
+      expect(getProfileLookupCandidates('KM')).toEqual(['KM', 'km', 'kimi']);
+    });
+  });
+
+  describe('isLegacyProfileAlias', () => {
+    it('returns true for km -> kimi', () => {
+      expect(isLegacyProfileAlias('km', 'kimi')).toBe(true);
+    });
+
+    it('returns false for canonical names', () => {
+      expect(isLegacyProfileAlias('km', 'km')).toBe(false);
+      expect(isLegacyProfileAlias('glm', 'glm')).toBe(false);
+    });
+
+    it('returns false for unrelated names', () => {
+      expect(isLegacyProfileAlias('glm', 'kimi')).toBe(false);
+    });
+  });
+});