refactor: 将 codex provider 重命名为 openai-responses

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

packages/@ant/model-provider/src/providers/codex/__tests__/modelMapping.test.ts

@@ -0,0 +1,94 @@
+import { describe, expect, test, beforeEach, afterEach } from 'bun:test'
+import { resolveCodexModel } from '../modelMapping.js'
+
+describe('resolveCodexModel', () => {
+  const originalEnv = {
+    CODEX_MODEL: process.env.CODEX_MODEL,
+    CODEX_DEFAULT_HAIKU_MODEL: process.env.CODEX_DEFAULT_HAIKU_MODEL,
+    CODEX_DEFAULT_SONNET_MODEL: process.env.CODEX_DEFAULT_SONNET_MODEL,
+    CODEX_DEFAULT_OPUS_MODEL: process.env.CODEX_DEFAULT_OPUS_MODEL,
+  }
+
+  beforeEach(() => {
+    delete process.env.CODEX_MODEL
+    delete process.env.CODEX_DEFAULT_HAIKU_MODEL
+    delete process.env.CODEX_DEFAULT_SONNET_MODEL
+    delete process.env.CODEX_DEFAULT_OPUS_MODEL
+  })
+
+  afterEach(() => {
+    Object.assign(process.env, originalEnv)
+  })
+
+  test('CODEX_MODEL env var overrides all', () => {
+    process.env.CODEX_MODEL = 'my-custom-model'
+    expect(resolveCodexModel('claude-sonnet-4-6')).toBe('my-custom-model')
+  })
+
+  test('CODEX_DEFAULT_SONNET_MODEL overrides default map', () => {
+    process.env.CODEX_DEFAULT_SONNET_MODEL = 'my-sonnet'
+    expect(resolveCodexModel('claude-sonnet-4-6')).toBe('my-sonnet')
+  })
+
+  test('CODEX_DEFAULT_HAIKU_MODEL overrides default map', () => {
+    process.env.CODEX_DEFAULT_HAIKU_MODEL = 'my-haiku'
+    expect(resolveCodexModel('claude-haiku-4-5-20251001')).toBe('my-haiku')
+  })
+
+  test('CODEX_DEFAULT_OPUS_MODEL overrides default map', () => {
+    process.env.CODEX_DEFAULT_OPUS_MODEL = 'my-opus'
+    expect(resolveCodexModel('claude-opus-4-6')).toBe('my-opus')
+  })
+
+  test('maps known sonnet model via DEFAULT_MODEL_MAP', () => {
+    expect(resolveCodexModel('claude-sonnet-4-6')).toBe('gpt-5.4-mini')
+  })
+
+  test('maps known haiku model via DEFAULT_MODEL_MAP', () => {
+    expect(resolveCodexModel('claude-haiku-4-5-20251001')).toBe('gpt-5.4-nano')
+  })
+
+  test('maps known opus model via DEFAULT_MODEL_MAP', () => {
+    expect(resolveCodexModel('claude-opus-4-6')).toBe('gpt-5.4')
+  })
+
+  test('maps legacy sonnet models', () => {
+    expect(resolveCodexModel('claude-sonnet-4-20250514')).toBe('gpt-5.4-mini')
+    expect(resolveCodexModel('claude-3-5-sonnet-20241022')).toBe('gpt-5.4-mini')
+  })
+
+  test('maps legacy haiku models', () => {
+    expect(resolveCodexModel('claude-3-5-haiku-20241022')).toBe('gpt-5.4-nano')
+  })
+
+  test('maps legacy opus models', () => {
+    expect(resolveCodexModel('claude-opus-4-20250514')).toBe('gpt-5.4')
+    expect(resolveCodexModel('claude-opus-4-5-20251101')).toBe('gpt-5.4')
+  })
+
+  test('uses family default for unrecognized haiku model', () => {
+    expect(resolveCodexModel('claude-haiku-99')).toBe('gpt-5.4-nano')
+  })
+
+  test('uses family default for unrecognized sonnet model', () => {
+    expect(resolveCodexModel('claude-sonnet-99')).toBe('gpt-5.4-mini')
+  })
+
+  test('uses family default for unrecognized opus model', () => {
+    expect(resolveCodexModel('claude-opus-99')).toBe('gpt-5.4')
+  })
+
+  test('passes through unknown model name without family', () => {
+    expect(resolveCodexModel('some-random-model')).toBe('some-random-model')
+  })
+
+  test('strips [1m] suffix', () => {
+    expect(resolveCodexModel('claude-sonnet-4-6[1m]')).toBe('gpt-5.4-mini')
+  })
+
+  test('CODEX_MODEL takes precedence over family-specific vars', () => {
+    process.env.CODEX_MODEL = 'global-override'
+    process.env.CODEX_DEFAULT_SONNET_MODEL = 'family-override'
+    expect(resolveCodexModel('claude-sonnet-4-6')).toBe('global-override')
+  })
+})

packages/@ant/model-provider/src/providers/codex/modelMapping.ts

@@ -1,3 +1,30 @@
+/**
+ * Default mapping from Anthropic model names to Codex (OpenAI Responses API) model names.
+ * Used only when CODEX_DEFAULT_{FAMILY}_MODEL env vars are not set.
+ */
+const DEFAULT_MODEL_MAP: Record<string, string> = {
+  'claude-sonnet-4-20250514': 'gpt-5.4-mini',
+  'claude-sonnet-4-5-20250929': 'gpt-5.4-mini',
+  'claude-sonnet-4-6': 'gpt-5.4-mini',
+  'claude-3-7-sonnet-20250219': 'gpt-5.4-mini',
+  'claude-3-5-sonnet-20241022': 'gpt-5.4-mini',
+  'claude-opus-4-20250514': 'gpt-5.4',
+  'claude-opus-4-1-20250805': 'gpt-5.4',
+  'claude-opus-4-5-20251101': 'gpt-5.4',
+  'claude-opus-4-6': 'gpt-5.4',
+  'claude-haiku-4-5-20251001': 'gpt-5.4-nano',
+  'claude-3-5-haiku-20241022': 'gpt-5.4-nano',
+}
+
+/**
+ * Default model for each family when an exact match is not in DEFAULT_MODEL_MAP.
+ */
+const DEFAULT_FAMILY_MAP: Record<string, string> = {
+  haiku: 'gpt-5.4-nano',
+  sonnet: 'gpt-5.4-mini',
+  opus: 'gpt-5.4',
+}
+
 function getModelFamily(model: string): 'haiku' | 'sonnet' | 'opus' | null {
   if (/haiku/i.test(model)) return 'haiku'
   if (/opus/i.test(model)) return 'opus'
@@ -5,6 +32,16 @@ function getModelFamily(model: string): 'haiku' | 'sonnet' | 'opus' | null {
   return null
 }
 
+/**
+ * Resolve the Codex (OpenAI Responses API) model name for a given Anthropic model.
+ *
+ * Priority:
+ * 1. CODEX_MODEL env var (override all)
+ * 2. CODEX_DEFAULT_{FAMILY}_MODEL env var (e.g. CODEX_DEFAULT_SONNET_MODEL)
+ * 3. DEFAULT_MODEL_MAP lookup (exact Anthropic model name match)
+ * 4. DEFAULT_FAMILY_MAP lookup (family-based default)
+ * 5. Pass through original model name
+ */
 export function resolveCodexModel(model: string): string {
   if (process.env.CODEX_MODEL) {
     return process.env.CODEX_MODEL
@@ -19,6 +56,15 @@ export function resolveCodexModel(model: string): string {
     }
   }
 
+  const mapped = DEFAULT_MODEL_MAP[cleanModel]
+  if (mapped) {
+    return mapped
+  }
+
+  if (family) {
+    return DEFAULT_FAMILY_MAP[family]
+  }
+
   return cleanModel
 }