Merge pull request #260 from IanShaw027/fix/sync-openai-gpt5-models

fix: 同步 OpenAI GPT-5 模型列表并完善参数处理

frontend/src/i18n/locales/en.ts

@@ -390,7 +390,7 @@ export default {
       opencode: {
         title: 'OpenCode Example',
         subtitle: 'opencode.json',
-        hint: 'Config path: ~/.config/opencode/opencode.json (create if not exists). This is an example, adjust model and options as needed.',
+        hint: 'Config path: ~/.config/opencode/opencode.json (or opencode.jsonc), create if not exists. Use default providers (openai/anthropic/google) or custom provider_id. API Key can be configured directly or via /connect command. This is an example, adjust models and options as needed.',
       },
     },
     customKeyLabel: 'Custom Key',

frontend/src/i18n/locales/zh.ts

@@ -387,7 +387,7 @@ export default {
       opencode: {
         title: 'OpenCode 配置示例',
         subtitle: 'opencode.json',
-        hint: '配置文件路径：~/.config/opencode/opencode.json，不存在需手动创建。示例仅供参考，模型与选项可按需调整。',
+        hint: '配置文件路径：~/.config/opencode/opencode.json（或 opencode.jsonc），不存在需手动创建。可使用默认 provider（openai/anthropic/google）或自定义 provider_id。API Key 支持直接配置或通过客户端 /connect 命令配置。示例仅供参考，模型与选项可按需调整。',
       },
     },
     customKeyLabel: '自定义密钥',