feat(distribution): 增强分销功能与界面优化

- 新增银行卡管理页面，支持用户查看与管理银行卡。
- 实现添加、删除及设置默认银行卡功能。
- 优化邀请与加入页面，展示邀请人信息并改进用户提示。
- 更新海报与二维码生成逻辑，提升用户体验。
- 重构多个组件，提高可读性与可维护性。

utils/distributionBind.js

@@ -0,0 +1,190 @@
+/**
+ * 分销海报 / 商品分享扫码绑客（统一入口）
+ */
+import storage from '@/utils/storage.js'
+import store from '@/store'
+import { getGoodsDistribution } from '@/api/distribution.js'
+import { getMpScene } from '@/api/goods.js'
+
+const PENDING_KEY = 'pending_distribution_id'
+
+/** 本次冷启动内已尝试绑定的分销员 ID，避免重复请求 */
+const launchBoundIds = new Set()
+
+let flushing = false
+
+export function clearPendingDistributionId() {
+  try {
+    uni.removeStorageSync(PENDING_KEY)
+  } catch (e) {
+    // ignore
+  }
+}
+
+export function setPendingDistributionId(distributionId) {
+  if (!distributionId) return
+  try {
+    uni.setStorageSync(PENDING_KEY, String(distributionId))
+  } catch (e) {
+    console.warn('set pending distributionId failed', e)
+  }
+}
+
+export function getPendingDistributionId() {
+  try {
+    return uni.getStorageSync(PENDING_KEY) || ''
+  } catch (e) {
+    return ''
+  }
+}
+
+export function resetLaunchBindCache() {
+  launchBoundIds.clear()
+}
+
+/**
+ * 解析葵花码 scene：支持 shortLinkId 或明文 bind,{distributionId}
+ */
+export async function resolveDistributionIdFromScene(scene) {
+  if (!scene) return ''
+  const raw = decodeURIComponent(String(scene)).trim()
+  if (!raw) return ''
+
+  if (raw.startsWith('bind,')) {
+    const id = raw.split(',')[1]
+    return id ? String(id).trim() : ''
+  }
+
+  try {
+    const res = await getMpScene(raw)
+    const params = res?.data?.success ? String(res.data.result || '').trim() : ''
+    if (params.startsWith('bind,')) {
+      const id = params.split(',')[1]
+      return id ? String(id).trim() : ''
+    }
+  } catch (error) {
+    console.warn('resolve distribution scene failed', error)
+  }
+  return ''
+}
+
+function parseRecruitIdFromParams(params) {
+  if (!params) return ''
+  const text = String(params).trim()
+  if (text.startsWith('recruit_')) {
+    const id = text.substring('recruit_'.length)
+    return id ? String(id).trim() : ''
+  }
+  return ''
+}
+
+/**
+ * 解析图文邀请卡 scene：支持 shortLinkId 或明文 recruit_{distributionId}
+ */
+export async function resolveRecruitDistributionIdFromScene(scene) {
+  if (!scene) return ''
+  const raw = decodeURIComponent(String(scene)).trim()
+  if (!raw) return ''
+
+  const direct = parseRecruitIdFromParams(raw)
+  if (direct) return direct
+
+  try {
+    const res = await getMpScene(raw)
+    const params = res?.data?.success ? String(res.data.result || '').trim() : ''
+    return parseRecruitIdFromParams(params)
+  } catch (error) {
+    console.warn('resolve recruit scene failed', error)
+  }
+  return ''
+}
+
+const CLEAR_PENDING_CODES = new Set([22000, 22001])
+
+function shouldClearPendingOnFailure(res) {
+  const code = res?.data?.code
+  if (code != null && CLEAR_PENDING_CODES.has(Number(code))) {
+    return true
+  }
+  const message = String(res?.data?.message || '')
+  if (message.includes('分销员不存在') || message.includes('分销功能关闭')) {
+    return true
+  }
+  return false
+}
+
+/**
+ * 尝试绑定分销员：已登录直接请求；未登录写入 pending
+ */
+export async function tryBindDistribution(distributionId, options = {}) {
+  const id = String(distributionId || '').trim()
+  if (!id) return
+
+  const force = options.force === true
+  if (!force && launchBoundIds.has(id)) {
+    return
+  }
+  launchBoundIds.add(id)
+
+  if (!storage.getAccessToken()) {
+    setPendingDistributionId(id)
+    store.state.distributionId = id
+    return
+  }
+
+  try {
+    const res = await getGoodsDistribution(id)
+    if (res?.data?.success) {
+      clearPendingDistributionId()
+      store.state.distributionId = id
+      return
+    }
+    if (shouldClearPendingOnFailure(res)) {
+      clearPendingDistributionId()
+    }
+  } catch (error) {
+    console.warn('bind distribution failed', error)
+    const res = error?.data ? error : error?.response?.data ? { data: error.response.data } : null
+    if (res && shouldClearPendingOnFailure(res)) {
+      clearPendingDistributionId()
+    }
+  }
+}
+
+/**
+ * 登录成功后补绑 pending
+ */
+export async function flushPendingBind() {
+  if (flushing) return
+  const pendingId = getPendingDistributionId()
+  if (!pendingId || !storage.getAccessToken()) {
+    return
+  }
+  flushing = true
+  try {
+    launchBoundIds.delete(pendingId)
+    await tryBindDistribution(pendingId, { force: true })
+  } finally {
+    flushing = false
+  }
+}
+
+/**
+ * App onLaunch：有 scene 则解析绑客；无 scene 清除 pending
+ */
+export async function handleAppLaunchScene(options) {
+  resetLaunchBindCache()
+
+  const scene = options?.query?.scene
+  if (!scene) {
+    clearPendingDistributionId()
+    return
+  }
+
+  const distributionId = await resolveDistributionIdFromScene(scene)
+  if (!distributionId) {
+    return
+  }
+
+  await tryBindDistribution(distributionId)
+}