支持 OpenAI Chat 兼容协议 (#99)

* feat: 完成 openai 接口兼容

* feat: 完成 openai 协议兼容

* fix: 修复测试用例

src/utils/model/configs.ts

@@ -11,6 +11,7 @@ export const CLAUDE_3_7_SONNET_CONFIG = {
   bedrock: 'us.anthropic.claude-3-7-sonnet-20250219-v1:0',
   vertex: 'claude-3-7-sonnet@20250219',
   foundry: 'claude-3-7-sonnet',
+  openai: 'claude-3-7-sonnet-20250219',
 } as const satisfies ModelConfig
 
 export const CLAUDE_3_5_V2_SONNET_CONFIG = {
@@ -18,6 +19,7 @@ export const CLAUDE_3_5_V2_SONNET_CONFIG = {
   bedrock: 'anthropic.claude-3-5-sonnet-20241022-v2:0',
   vertex: 'claude-3-5-sonnet-v2@20241022',
   foundry: 'claude-3-5-sonnet',
+  openai: 'claude-3-5-sonnet-20241022',
 } as const satisfies ModelConfig
 
 export const CLAUDE_3_5_HAIKU_CONFIG = {
@@ -25,6 +27,7 @@ export const CLAUDE_3_5_HAIKU_CONFIG = {
   bedrock: 'us.anthropic.claude-3-5-haiku-20241022-v1:0',
   vertex: 'claude-3-5-haiku@20241022',
   foundry: 'claude-3-5-haiku',
+  openai: 'claude-3-5-haiku-20241022',
 } as const satisfies ModelConfig
 
 export const CLAUDE_HAIKU_4_5_CONFIG = {
@@ -32,6 +35,7 @@ export const CLAUDE_HAIKU_4_5_CONFIG = {
   bedrock: 'us.anthropic.claude-haiku-4-5-20251001-v1:0',
   vertex: 'claude-haiku-4-5@20251001',
   foundry: 'claude-haiku-4-5',
+  openai: 'claude-haiku-4-5-20251001',
 } as const satisfies ModelConfig
 
 export const CLAUDE_SONNET_4_CONFIG = {
@@ -39,6 +43,7 @@ export const CLAUDE_SONNET_4_CONFIG = {
   bedrock: 'us.anthropic.claude-sonnet-4-20250514-v1:0',
   vertex: 'claude-sonnet-4@20250514',
   foundry: 'claude-sonnet-4',
+  openai: 'claude-sonnet-4-20250514',
 } as const satisfies ModelConfig
 
 export const CLAUDE_SONNET_4_5_CONFIG = {
@@ -46,6 +51,7 @@ export const CLAUDE_SONNET_4_5_CONFIG = {
   bedrock: 'us.anthropic.claude-sonnet-4-5-20250929-v1:0',
   vertex: 'claude-sonnet-4-5@20250929',
   foundry: 'claude-sonnet-4-5',
+  openai: 'claude-sonnet-4-5-20250929',
 } as const satisfies ModelConfig
 
 export const CLAUDE_OPUS_4_CONFIG = {
@@ -53,6 +59,7 @@ export const CLAUDE_OPUS_4_CONFIG = {
   bedrock: 'us.anthropic.claude-opus-4-20250514-v1:0',
   vertex: 'claude-opus-4@20250514',
   foundry: 'claude-opus-4',
+  openai: 'claude-opus-4-20250514',
 } as const satisfies ModelConfig
 
 export const CLAUDE_OPUS_4_1_CONFIG = {
@@ -60,6 +67,7 @@ export const CLAUDE_OPUS_4_1_CONFIG = {
   bedrock: 'us.anthropic.claude-opus-4-1-20250805-v1:0',
   vertex: 'claude-opus-4-1@20250805',
   foundry: 'claude-opus-4-1',
+  openai: 'claude-opus-4-1-20250805',
 } as const satisfies ModelConfig
 
 export const CLAUDE_OPUS_4_5_CONFIG = {
@@ -67,6 +75,7 @@ export const CLAUDE_OPUS_4_5_CONFIG = {
   bedrock: 'us.anthropic.claude-opus-4-5-20251101-v1:0',
   vertex: 'claude-opus-4-5@20251101',
   foundry: 'claude-opus-4-5',
+  openai: 'claude-opus-4-5-20251101',
 } as const satisfies ModelConfig
 
 export const CLAUDE_OPUS_4_6_CONFIG = {
@@ -74,6 +83,7 @@ export const CLAUDE_OPUS_4_6_CONFIG = {
   bedrock: 'us.anthropic.claude-opus-4-6-v1',
   vertex: 'claude-opus-4-6',
   foundry: 'claude-opus-4-6',
+  openai: 'claude-opus-4-6',
 } as const satisfies ModelConfig
 
 export const CLAUDE_SONNET_4_6_CONFIG = {
@@ -81,6 +91,7 @@ export const CLAUDE_SONNET_4_6_CONFIG = {
   bedrock: 'us.anthropic.claude-sonnet-4-6',
   vertex: 'claude-sonnet-4-6',
   foundry: 'claude-sonnet-4-6',
+  openai: 'claude-sonnet-4-6',
 } as const satisfies ModelConfig
 
 // @[MODEL LAUNCH]: Register the new config here.

src/utils/model/providers.ts

@@ -1,16 +1,24 @@
 import type { AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS } from '../../services/analytics/index.js'
+import { getInitialSettings } from '../settings/settings.js'
 import { isEnvTruthy } from '../envUtils.js'
 
-export type APIProvider = 'firstParty' | 'bedrock' | 'vertex' | 'foundry'
+export type APIProvider = 'firstParty' | 'bedrock' | 'vertex' | 'foundry' | 'openai'
 
 export function getAPIProvider(): APIProvider {
-  return isEnvTruthy(process.env.CLAUDE_CODE_USE_BEDROCK)
-    ? 'bedrock'
-    : isEnvTruthy(process.env.CLAUDE_CODE_USE_VERTEX)
-      ? 'vertex'
-      : isEnvTruthy(process.env.CLAUDE_CODE_USE_FOUNDRY)
-        ? 'foundry'
-        : 'firstParty'
+  // 1. Check settings.json modelType field (highest priority)
+  const modelType = getInitialSettings().modelType
+  if (modelType === 'openai') return 'openai'
+
+  // 2. Check environment variables (backward compatibility)
+  return isEnvTruthy(process.env.CLAUDE_CODE_USE_OPENAI)
+    ? 'openai'
+    : isEnvTruthy(process.env.CLAUDE_CODE_USE_BEDROCK)
+      ? 'bedrock'
+      : isEnvTruthy(process.env.CLAUDE_CODE_USE_VERTEX)
+        ? 'vertex'
+        : isEnvTruthy(process.env.CLAUDE_CODE_USE_FOUNDRY)
+          ? 'foundry'
+          : 'firstParty'
 }
 
 export function getAPIProviderForStatsig(): AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS {

src/utils/settings/types.ts

@@ -372,6 +372,13 @@ export const SettingsSchema = lazySchema(() =>
       permissions: PermissionsSchema()
         .optional()
         .describe('Tool usage permissions configuration'),
+      modelType: z
+        .enum(['anthropic', 'openai'])
+        .optional()
+        .describe(
+          'API provider type. "anthropic" uses the Anthropic API (default), "openai" uses the OpenAI Chat Completions API (/v1/chat/completions). ' +
+            'When set to "openai", configure OPENAI_API_KEY, OPENAI_BASE_URL, and OPENAI_MODEL in env.',
+        ),
       model: z
         .string()
         .optional()