feat: add SproutWorkCollect apps

SproutWorkCollect-Frontend/src/config/apiBase.js

@@ -0,0 +1,38 @@
+const DEFAULT_PROD_API_ORIGIN = 'https://work.api.shumengya.top';
+
+const stripTrailingSlashes = (value) => value.replace(/\/+$/, '');
+
+const stripApiSuffix = (value) => value.replace(/\/api\/?$/, '');
+
+const hasHttpProtocol = (value) => /^https?:\/\//i.test(value);
+
+export const getApiBaseUrl = () => {
+  const envUrl = process.env.REACT_APP_API_URL;
+  if (envUrl) {
+    const normalized = stripTrailingSlashes(envUrl);
+
+    // 避免生产环境错误使用相对路径（例如 /api），导致请求打到前端自身域名
+    if (normalized.startsWith('/')) {
+      if (process.env.NODE_ENV === 'production') {
+        // eslint-disable-next-line no-console
+        console.warn(
+          `[SproutWorkCollect] REACT_APP_API_URL=${normalized} 是相对路径，已忽略并回退到默认后端：${DEFAULT_PROD_API_ORIGIN}/api`,
+        );
+        return `${DEFAULT_PROD_API_ORIGIN}/api`;
+      }
+
+      return normalized.endsWith('/api') ? normalized : `${normalized}/api`;
+    }
+
+    const absolute = hasHttpProtocol(normalized) ? normalized : `https://${normalized}`;
+    return absolute.endsWith('/api') ? absolute : `${absolute}/api`;
+  }
+
+  if (process.env.NODE_ENV === 'production') {
+    return `${DEFAULT_PROD_API_ORIGIN}/api`;
+  }
+
+  return 'http://localhost:5000/api';
+};
+
+export const getApiOrigin = () => stripApiSuffix(getApiBaseUrl());