feat(家庭健康): 优化家庭组加入流程，移除自动创建家庭组逻辑

store/familyHealthSlice.ts

@@ -2,8 +2,8 @@
  * 家庭健康管理 Redux Slice
  */
 
-import { createAsyncThunk, createSlice, PayloadAction } from '@reduxjs/toolkit';
 import * as healthProfileApi from '@/services/healthProfile';
+import { createAsyncThunk, createSlice } from '@reduxjs/toolkit';
 import { RootState } from './index';
 
 // ==================== State 类型定义 ====================
@@ -56,21 +56,6 @@ export const fetchFamilyGroup = createAsyncThunk(
   }
 );
 
-/**
- * 创建家庭组
- */
-export const createFamilyGroup = createAsyncThunk(
-  'familyHealth/createGroup',
-  async (name: string, { rejectWithValue }) => {
-    try {
-      const data = await healthProfileApi.createFamilyGroup(name);
-      return data;
-    } catch (err: any) {
-      return rejectWithValue(err?.message ?? '创建家庭组失败');
-    }
-  }
-);
-
 /**
  * 生成邀请码
  */
@@ -208,20 +193,6 @@ const familyHealthSlice = createSlice({
         state.error = action.payload as string;
       })
       
-      // 创建家庭组
-      .addCase(createFamilyGroup.pending, (state) => {
-        state.loading = true;
-        state.error = null;
-      })
-      .addCase(createFamilyGroup.fulfilled, (state, action) => {
-        state.loading = false;
-        state.familyGroup = action.payload;
-      })
-      .addCase(createFamilyGroup.rejected, (state, action) => {
-        state.loading = false;
-        state.error = action.payload as string;
-      })
-      
       // 生成邀请码
       .addCase(generateInviteCode.pending, (state) => {
         state.inviteLoading = true;