feat: /login支持codex订阅登录

src/buddy/__tests__/companion.test.ts

@@ -0,0 +1,26 @@
+import { describe, expect, test } from 'bun:test'
+import { inferLegacyCompanionBones } from '../companion.js'
+
+describe('inferLegacyCompanionBones', () => {
+  test('infers species and rarity from legacy seedless companion text', () => {
+    expect(
+      inferLegacyCompanionBones({
+        name: 'Biscuit',
+        personality: 'A common mushroom of few words.',
+      }),
+    ).toEqual({
+      species: 'mushroom',
+      rarity: 'common',
+    })
+  })
+
+  test('does not override seeded companions', () => {
+    expect(
+      inferLegacyCompanionBones({
+        name: 'Spore',
+        personality: 'A common mushroom of few words.',
+        seed: 'rehatch-1',
+      }),
+    ).toEqual({})
+  })
+})