Merge tianrking/main: feat: add provider-specific terminal button

Merged PR #452 which adds:
- Terminal button for Claude providers to launch with provider-specific config
- Cross-platform support (macOS/Linux/Windows)
- Auto-cleanup of temporary config files

src/lib/api/providers.ts

@@ -65,6 +65,15 @@ export const providersApi = {
       handler(payload);
     });
   },
+
+  /**
+   * 打开指定提供商的终端
+   * 任何提供商都可以打开终端，不受是否为当前激活提供商的限制
+   * 终端会使用该提供商特定的 API 配置，不影响全局设置
+   */
+  async openTerminal(providerId: string, appId: AppId): Promise<boolean> {
+    return await invoke("open_provider_terminal", { providerId, app: appId });
+  },
 };
 
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