feat: /login支持codex订阅登录

src/utils/model/chatgptModels.ts

@@ -0,0 +1,52 @@
+export type ChatGPTCodexModelOption = {
+  value: string
+  label: string
+  description: string
+}
+
+export const CHATGPT_CODEX_DEFAULT_MODEL = 'gpt-5.5'
+export const CHATGPT_CODEX_FAST_MODEL = 'gpt-5.4-mini'
+
+export const CHATGPT_CODEX_MODEL_OPTIONS: ChatGPTCodexModelOption[] = [
+  {
+    value: 'gpt-5.5',
+    label: 'GPT-5.5',
+    description: 'Frontier model for complex coding, research, and real-world work',
+  },
+  {
+    value: 'gpt-5.4',
+    label: 'GPT-5.4',
+    description: 'Strong model for everyday coding',
+  },
+  {
+    value: 'gpt-5.4-mini',
+    label: 'GPT-5.4-Mini',
+    description: 'Small, fast, and cost-efficient model for simpler coding tasks',
+  },
+  {
+    value: 'gpt-5.3-codex',
+    label: 'GPT-5.3-Codex',
+    description: 'Coding-optimized model',
+  },
+  {
+    value: 'gpt-5.3-codex-spark',
+    label: 'GPT-5.3-Codex-Spark',
+    description: 'Ultra-fast coding model',
+  },
+  {
+    value: 'gpt-5.2',
+    label: 'GPT-5.2',
+    description: 'Optimized for professional work and long-running agents',
+  },
+]
+
+export function isChatGPTAuthMode(): boolean {
+  return process.env.OPENAI_AUTH_MODE === 'chatgpt'
+}
+
+export function isChatGPTCodexReasoningModel(model: string): boolean {
+  const normalized = model.toLowerCase().replace(/\[1m\]$/, '')
+  return CHATGPT_CODEX_MODEL_OPTIONS.some(
+    option => option.value.toLowerCase() === normalized,
+  )
+}