feat: 小程序统一走 Go 后台，咨询与登录切到 /api/v1

去掉协会 WebView 和魔方账密页，微信登录与咨询接口共用同一 token 和拦截器。

Co-authored-by: Cursor <cursoragent@cursor.com>

pages/yxg/membership.vue

@@ -0,0 +1,106 @@
+<template>
+	<yxg-page title="成长会员">
+		<text v-if="loading" class="hint">加载中…</text>
+		<text v-else-if="error" class="err" @click="load">{{ error }} · 重试</text>
+		<template v-else>
+			<view v-if="me?.active" class="card on">
+				<text class="h1">会员有效 · {{ planLabel }}</text>
+				<text v-if="me.expires_at" class="meta">到期：{{ formatDate(me.expires_at) }}</text>
+				<text class="meta">问答额度剩余：{{ me.ask_quota_left ?? 0 }}</text>
+			</view>
+			<view v-else class="card">
+				<text class="lead">开通后可查看画像与关系理解的完整分析，并获得更多 AI 问答次数。</text>
+			</view>
+			<text class="sec">成长会员</text>
+			<view v-for="p in plans" :key="p.key" class="plan" :class="{ featured: p.featured }" @click="subscribe(p.key)">
+				<text v-if="p.tag" class="tag">{{ p.tag }}</text>
+				<text class="pl">{{ p.label }}</text>
+				<text class="pp">{{ p.price }}</text>
+				<text class="pd">{{ p.desc }}</text>
+			</view>
+			<text class="note">当前为模拟支付，便于本地验收。</text>
+		</template>
+	</yxg-page>
+</template>
+
+<script setup>
+import YxgPage from '@/components/yxg/yxg-page.vue'
+import { yxgApi } from '@/util/yxgApi.js'
+import { ensureAccount } from '@/util/yxgAuth.js'
+import { formatDate } from '@/util/yxgCatalog.js'
+
+const plans = [
+	{ key: 'month', label: '月卡', price: '模拟开通', desc: '按月灵活体验', featured: false, tag: '' },
+	{ key: 'quarter', label: '季卡', price: '模拟开通', desc: '三个月持续成长', featured: true, tag: '推荐' },
+	{ key: 'year', label: '年卡', price: '模拟开通', desc: '全年陪伴与报告', featured: false, tag: '' },
+]
+const loading = ref(true)
+const paying = ref(false)
+const error = ref('')
+const me = ref(null)
+const planLabel = computed(() => {
+	const p = me.value?.plan
+	if (p === 'quarter') return '季卡'
+	if (p === 'year') return '年卡'
+	if (p === 'month') return '月卡'
+	return p || '成长会员'
+})
+
+async function load() {
+	loading.value = true
+	error.value = ''
+	if (!(await ensureAccount('/membership'))) {
+		loading.value = false
+		return
+	}
+	try {
+		me.value = await yxgApi.getMembership()
+	} catch (e) {
+		error.value = e instanceof Error ? e.message : '加载失败'
+	} finally {
+		loading.value = false
+	}
+}
+
+async function subscribe(plan) {
+	if (paying.value) return
+	paying.value = true
+	error.value = ''
+	try {
+		const { order_id } = await yxgApi.createOrder({ kind: 'membership', plan })
+		await yxgApi.payMock(order_id)
+		me.value = await yxgApi.getMembership()
+		uni.showToast({ title: '开通成功', icon: 'none' })
+	} catch (e) {
+		error.value = e instanceof Error ? e.message : '支付失败'
+	} finally {
+		paying.value = false
+	}
+}
+
+onShow(load)
+</script>
+
+<style>
+page { background-color: #ffd1c7; }
+</style>
+<style scoped>
+.hint, .err, .note { display: block; padding: 12px 16px; font-size: 13px; color: #999; }
+.err { color: #e54d42; }
+.card { margin: 12px 16px; padding: 16px; background: #fff; border-radius: 16px; }
+.card.on { background: linear-gradient(145deg, #fff4e0, #ffd98a); }
+.h1 { display: block; font-size: 17px; font-weight: 700; color: #8a5a18; }
+.meta, .lead { display: block; margin-top: 6px; font-size: 13px; color: #666; }
+.sec { display: block; margin: 16px 16px 8px; font-size: 16px; font-weight: 700; color: #333; }
+.plan {
+	margin: 0 16px 10px; padding: 14px; background: #fff; border-radius: 16px; position: relative;
+}
+.plan.featured { box-shadow: 0 4px 14px rgba(200, 146, 58, 0.15); }
+.tag {
+	position: absolute; top: 10px; right: 10px; font-size: 10px; color: #fff;
+	background: #e54d42; padding: 2px 6px; border-radius: 6px;
+}
+.pl { display: block; font-size: 16px; font-weight: 700; color: #333; }
+.pp { display: block; margin-top: 4px; font-size: 13px; color: #e54d42; }
+.pd { display: block; margin-top: 2px; font-size: 12px; color: #999; }
+</style>