Migrate frontend realtime messaging to SSE.

Switch service integrations and screen/store consumers from websocket events to SSE, and ignore generated dist-web artifacts.

Made-with: Cursor

src/services/api.ts

@@ -8,7 +8,7 @@ import AsyncStorage from '@react-native-async-storage/async-storage';
 import { CommonActions } from '@react-navigation/native';
 import Constants from 'expo-constants';
 
-
+// 生产地址 https://bbs.littlelan.cn
 const getBaseUrl = () => {
   const configuredBaseUrl = Constants.expoConfig?.extra?.apiBaseUrl;
   if (typeof configuredBaseUrl === 'string' && configuredBaseUrl.trim().length > 0) {
@@ -17,16 +17,8 @@ const getBaseUrl = () => {
   return 'https://bbs.littlelan.cn/api/v1';
 };
 
-const getWsUrl = () => {
-  const configuredWsUrl = Constants.expoConfig?.extra?.wsUrl;
-  if (typeof configuredWsUrl === 'string' && configuredWsUrl.trim().length > 0) {
-    return configuredWsUrl;
-  }
-  return 'wss://bbs.littlelan.cn/ws';
-};
-
 const BASE_URL = getBaseUrl();
-const WS_URL = getWsUrl();
+const SSE_URL = `${BASE_URL.replace(/\/+$/, '')}/realtime/sse`;
 
 // Token 存储键
 const TOKEN_KEY = 'auth_token';
@@ -187,15 +179,45 @@ class ApiClient {
         return this.request(method, path, params, body);
       }
 
-      // 解析响应
-      const data: ApiResponse<T> = await response.json();
+      // 解析响应（兼容非 JSON 返回，避免 SyntaxError 被误判为网络错误）
+      const contentType = response.headers.get('content-type') || '';
+      let parsedBody: any = null;
+      let rawText = '';
 
-      // 处理业务错误
-      if (data.code !== 0) {
-        throw new ApiError(data.code, data.message);
+      if (contentType.includes('application/json')) {
+        parsedBody = await response.json();
+      } else {
+        rawText = await response.text();
+        if (rawText) {
+          try {
+            parsedBody = JSON.parse(rawText);
+          } catch {
+            parsedBody = null;
+          }
+        }
       }
 
-      return data;
+      // 优先处理标准 API 结构
+      if (parsedBody && typeof parsedBody === 'object' && 'code' in parsedBody) {
+        const data = parsedBody as ApiResponse<T>;
+        if (data.code !== 0) {
+          throw new ApiError(data.code, data.message || '请求失败');
+        }
+        return data;
+      }
+
+      // 非标准结构：先按 HTTP 状态处理失败
+      if (!response.ok) {
+        const fallbackMessage = rawText || response.statusText || `请求失败(${response.status})`;
+        throw new ApiError(response.status, fallbackMessage);
+      }
+
+      // 非标准结构但 HTTP 成功：兜底为成功响应（兼容部分纯文本成功接口）
+      return {
+        code: 0,
+        message: 'success',
+        data: (parsedBody as T) ?? (undefined as T),
+      };
     } catch (error) {
       // 如果是 ApiError，直接抛出
       if (error instanceof ApiError) {
@@ -312,5 +334,4 @@ class ApiClient {
 // 导出 API 客户端实例
 export const api = new ApiClient(BASE_URL);
 
-// 导出 WebSocket URL
-export { WS_URL, TOKEN_KEY, REFRESH_TOKEN_KEY };
+export { SSE_URL, TOKEN_KEY, REFRESH_TOKEN_KEY };