chore: complete clean Agent Desk source snapshot

web/lib/support-conversation-i18n.ts

@@ -0,0 +1,46 @@
+import { translateCurrentMessage, translateMessage } from "@/i18n/messages"
+import type { AppLocale } from "@/i18n/config"
+
+/**
+ * Localized display names for IMConversationStatus.
+ *
+ * The generated enum labels are Chinese-only, so they cannot be shown to an
+ * English or Russian visitor. Keeping the number-to-key mapping here - rather
+ * than switching on locale inside a component - means the widget, the demo and
+ * any later surface all read the same vocabulary.
+ */
+const CONVERSATION_STATUS_MESSAGE_KEYS: Record<number, string> = {
+  1: "supportChat.statusAiServing",
+  2: "supportChat.statusPending",
+  3: "supportChat.statusActive",
+  4: "supportChat.statusClosed",
+}
+
+/**
+ * Falls back to the closed label for an unknown status. A request is either
+ * finished or not, and mislabelling it as finished is the safer error: it
+ * invites the visitor to reopen it rather than hiding that it is still live.
+ */
+const UNKNOWN_STATUS_MESSAGE_KEY = "supportChat.statusClosed"
+
+export function getConversationStatusMessageKey(status: number): string {
+  return CONVERSATION_STATUS_MESSAGE_KEYS[status] ?? UNKNOWN_STATUS_MESSAGE_KEY
+}
+
+export function getConversationStatusLabel(
+  status: number,
+  locale?: AppLocale
+): string {
+  const key = getConversationStatusMessageKey(status)
+  return locale ? translateMessage(locale, key) : translateCurrentMessage(key)
+}
+
+/**
+ * The generic title for a request the visitor did not name. Subject wins when
+ * present; this is what a list row shows instead.
+ */
+export function getConversationFallbackTitle(locale?: AppLocale): string {
+  return locale
+    ? translateMessage(locale, "supportChat.requestFallbackTitle")
+    : translateCurrentMessage("supportChat.requestFallbackTitle")
+}