feat(channel): support weichat channel (#620)

src/lib/channel-alias.ts

@@ -0,0 +1,50 @@
+const BLOCKED_OBJECT_KEYS = new Set(['__proto__', 'prototype', 'constructor']);
+const VALID_ID_RE = /^[a-z0-9][a-z0-9_-]{0,63}$/i;
+const INVALID_CHARS_RE = /[^a-z0-9_-]+/g;
+const LEADING_DASH_RE = /^-+/;
+const TRAILING_DASH_RE = /-+$/;
+
+export const UI_WECHAT_CHANNEL_TYPE = 'wechat';
+export const OPENCLAW_WECHAT_CHANNEL_TYPE = 'openclaw-weixin';
+
+export type QrChannelEvent = 'qr' | 'success' | 'error';
+
+export function toOpenClawChannelType(channelType: string): string {
+  return channelType === UI_WECHAT_CHANNEL_TYPE ? OPENCLAW_WECHAT_CHANNEL_TYPE : channelType;
+}
+
+export function toUiChannelType(channelType: string): string {
+  return channelType === OPENCLAW_WECHAT_CHANNEL_TYPE ? UI_WECHAT_CHANNEL_TYPE : channelType;
+}
+
+export function isWechatChannelType(channelType: string | null | undefined): boolean {
+  return channelType === UI_WECHAT_CHANNEL_TYPE || channelType === OPENCLAW_WECHAT_CHANNEL_TYPE;
+}
+
+export function usesPluginManagedQrAccounts(channelType: string | null | undefined): boolean {
+  return isWechatChannelType(channelType);
+}
+
+export function buildQrChannelEventName(channelType: string, event: QrChannelEvent): string {
+  return `channel:${toUiChannelType(channelType)}-${event}`;
+}
+
+function canonicalizeAccountId(value: string): string {
+  if (VALID_ID_RE.test(value)) return value.toLowerCase();
+  return value
+    .toLowerCase()
+    .replace(INVALID_CHARS_RE, '-')
+    .replace(LEADING_DASH_RE, '')
+    .replace(TRAILING_DASH_RE, '')
+    .slice(0, 64);
+}
+
+export function normalizeOpenClawAccountId(value: string | null | undefined, fallback = 'default'): string {
+  const trimmed = (value ?? '').trim();
+  if (!trimmed) return fallback;
+  const normalized = canonicalizeAccountId(trimmed);
+  if (!normalized || BLOCKED_OBJECT_KEYS.has(normalized)) {
+    return fallback;
+  }
+  return normalized;
+}