refactor(telegram): unify chat metadata parsing

extensions/telegram/src/bot-message-context.ts

@@ -19,6 +19,7 @@ import { buildTelegramInboundContextPayload } from "./bot-message-context.sessio
 import type { BuildTelegramMessageContextParams } from "./bot-message-context.types.js";
 import {
   buildTypingThreadParams,
+  extractTelegramForumFlag,
   resolveTelegramForumFlag,
   resolveTelegramThreadSpec,
 } from "./bot/helpers.js";
@@ -83,7 +84,7 @@ export const buildTelegramMessageContext = async ({
     chatId,
     chatType: msg.chat.type,
     isGroup,
-    isForum: (msg.chat as { is_forum?: boolean }).is_forum,
+    isForum: extractTelegramForumFlag(msg.chat),
     getChat: getChatApi,
   });
   const threadSpec = resolveTelegramThreadSpec({

extensions/telegram/src/bot-native-commands.ts

@@ -65,6 +65,7 @@ import {
   buildTelegramThreadParams,
   buildSenderName,
   buildTelegramGroupFrom,
+  extractTelegramForumFlag,
   resolveTelegramForumFlag,
   resolveTelegramGroupAllowFromContext,
   resolveTelegramThreadSpec,
@@ -190,7 +191,7 @@ async function resolveTelegramCommandAuth(params: {
     chatId,
     chatType: msg.chat.type,
     isGroup,
-    isForum: (msg.chat as { is_forum?: boolean }).is_forum,
+    isForum: extractTelegramForumFlag(msg.chat),
     getChat,
   });
   const threadSpec = resolveTelegramThreadSpec({

extensions/telegram/src/bot/helpers.ts

@@ -18,7 +18,7 @@ export type TelegramThreadSpec = {
   scope: "dm" | "forum" | "none";
 };
 
-function extractTelegramForumFlag(value: unknown): boolean | undefined {
+export function extractTelegramForumFlag(value: unknown): boolean | undefined {
   if (!value || typeof value !== "object") {
     return undefined;
   }

extensions/telegram/src/status-reaction-variants.ts

@@ -1,4 +1,5 @@
 import { DEFAULT_EMOJIS, type StatusReactionEmojis } from "openclaw/plugin-sdk/channel-feedback";
+import type { TelegramChatDetails, TelegramGetChat } from "./bot/types.js";
 
 type StatusReactionEmojiKey = keyof Required<StatusReactionEmojis>;
 
@@ -156,35 +157,26 @@ export function isTelegramSupportedReactionEmoji(emoji: string): boolean {
 }
 
 export function extractTelegramAllowedEmojiReactions(
-  chat: unknown,
+  chat: TelegramChatDetails | null | undefined,
 ): Set<string> | null | undefined {
-  if (!chat || typeof chat !== "object") {
+  if (!chat) {
     return undefined;
   }
-
-  if (!Object.prototype.hasOwnProperty.call(chat, "available_reactions")) {
+  const availableReactions = chat.available_reactions;
+  if (typeof availableReactions === "undefined") {
     return undefined;
   }
-
-  const availableReactions = (chat as { available_reactions?: unknown }).available_reactions;
   if (availableReactions == null) {
     // Explicitly omitted/null => all emoji reactions are allowed in this chat.
     return null;
   }
-  if (!Array.isArray(availableReactions)) {
-    return new Set<string>();
-  }
 
   const allowed = new Set<string>();
   for (const reaction of availableReactions) {
-    if (!reaction || typeof reaction !== "object") {
+    if (reaction.type !== "emoji") {
       continue;
     }
-    const typedReaction = reaction as { type?: unknown; emoji?: unknown };
-    if (typedReaction.type !== "emoji" || typeof typedReaction.emoji !== "string") {
-      continue;
-    }
-    const emoji = typedReaction.emoji.trim();
+    const emoji = reaction.emoji.trim();
     if (emoji) {
       allowed.add(emoji);
     }
@@ -193,9 +185,9 @@ export function extractTelegramAllowedEmojiReactions(
 }
 
 export async function resolveTelegramAllowedEmojiReactions(params: {
-  chat: unknown;
+  chat: TelegramChatDetails | null | undefined;
   chatId: string | number;
-  getChat?: (chatId: string | number) => Promise<unknown>;
+  getChat?: TelegramGetChat;
 }): Promise<Set<string> | null> {
   const fromMessage = extractTelegramAllowedEmojiReactions(params.chat);
   if (fromMessage !== undefined) {