refactor: prune unused channel helpers

extensions/feishu/src/comment-shared.ts

@@ -1,5 +1,4 @@
 import {
-  asOptionalRecord,
   hasNonEmptyString as sharedHasNonEmptyString,
   isRecord as sharedIsRecord,
   normalizeOptionalString,
@@ -25,8 +24,6 @@ export const normalizeString = normalizeOptionalString;
 
 export const isRecord = sharedIsRecord;
 
-export const asRecord = asOptionalRecord;
-
 export const hasNonEmptyString = sharedHasNonEmptyString;
 
 export function formatFeishuApiError(
@@ -359,10 +356,6 @@ export function parseCommentContentElements(params: {
   };
 }
 
-export function extractCommentElementText(element: unknown): string | undefined {
-  return parseCommentContentElements({ elements: [element] }).plainText;
-}
-
 export function extractReplyText(
   reply: { content?: { elements?: unknown[] } } | undefined,
 ): string | undefined {

extensions/feishu/src/mention.ts

@@ -83,20 +83,6 @@ export function isMentionForwardRequest(event: FeishuMessageEvent, botOpenId?: s
   return hasBotMention && hasOtherMention;
 }
 
-/**
- * Extract message body from text (remove @ placeholders)
- */
-export function extractMessageBody(text: string, allMentionKeys: string[]): string {
-  let result = text;
-
-  // Remove all @ placeholders
-  for (const key of allMentionKeys) {
-    result = result.replace(new RegExp(escapeRegExp(key), "g"), "");
-  }
-
-  return result.replace(/\s+/g, " ").trim();
-}
-
 /**
  * Format @mention for text message
  */
@@ -104,13 +90,6 @@ export function formatMentionForText(target: MentionTarget): string {
   return `<at user_id="${target.openId}">${target.name}</at>`;
 }
 
-/**
- * Format @everyone for text message
- */
-export function formatMentionAllForText(): string {
-  return `<at user_id="all">Everyone</at>`;
-}
-
 /**
  * Format @mention for card message (lark_md)
  */
@@ -118,13 +97,6 @@ export function formatMentionForCard(target: MentionTarget): string {
   return `<at id=${target.openId}></at>`;
 }
 
-/**
- * Format @everyone for card message
- */
-export function formatMentionAllForCard(): string {
-  return `<at id=all></at>`;
-}
-
 /**
  * Build complete message with @mentions (text format)
  */

extensions/feishu/src/monitor.startup.ts

@@ -72,11 +72,3 @@ export async function fetchBotIdentityForMonitor(
   }
   return {};
 }
-
-export async function fetchBotOpenIdForMonitor(
-  account: ResolvedFeishuAccount,
-  options: FetchBotOpenIdOptions = {},
-): Promise<string | undefined> {
-  const identity = await fetchBotIdentityForMonitor(account, options);
-  return identity.botOpenId;
-}

extensions/feishu/src/targets.ts

@@ -53,17 +53,6 @@ export function normalizeFeishuTarget(raw: string): string | null {
   return withoutProvider;
 }
 
-export function formatFeishuTarget(id: string, type?: FeishuIdType): string {
-  const trimmed = id.trim();
-  if (type === "chat_id" || trimmed.startsWith(CHAT_ID_PREFIX)) {
-    return `chat:${trimmed}`;
-  }
-  if (type === "open_id" || trimmed.startsWith(OPEN_ID_PREFIX)) {
-    return `user:${trimmed}`;
-  }
-  return trimmed;
-}
-
 export function resolveReceiveIdType(id: string): "chat_id" | "open_id" | "user_id" {
   const trimmed = id.trim();
   const lowered = normalizeLowercaseStringOrEmpty(trimmed);