refactor(src): split oversized modules

src/discord/monitor/reply-context.ts

@@ -0,0 +1,43 @@
+import type { Guild, Message, User } from "@buape/carbon";
+
+import { formatAgentEnvelope } from "../../auto-reply/envelope.js";
+import { formatDiscordUserTag, resolveTimestampMs } from "./format.js";
+
+export function resolveReplyContext(
+  message: Message,
+  resolveDiscordMessageText: (
+    message: Message,
+    options?: { includeForwarded?: boolean },
+  ) => string,
+): string | null {
+  const referenced = message.referencedMessage;
+  if (!referenced?.author) return null;
+  const referencedText = resolveDiscordMessageText(referenced, {
+    includeForwarded: true,
+  });
+  if (!referencedText) return null;
+  const fromLabel = referenced.author
+    ? buildDirectLabel(referenced.author)
+    : "Unknown";
+  const body = `${referencedText}\n[discord message id: ${referenced.id} channel: ${referenced.channelId} from: ${formatDiscordUserTag(referenced.author)} user id:${referenced.author?.id ?? "unknown"}]`;
+  return formatAgentEnvelope({
+    channel: "Discord",
+    from: fromLabel,
+    timestamp: resolveTimestampMs(referenced.timestamp),
+    body,
+  });
+}
+
+export function buildDirectLabel(author: User) {
+  const username = formatDiscordUserTag(author);
+  return `${username} user id:${author.id}`;
+}
+
+export function buildGuildLabel(params: {
+  guild?: Guild;
+  channelName: string;
+  channelId: string;
+}) {
+  const { guild, channelName, channelId } = params;
+  return `${guild?.name ?? "Guild"} #${channelName} channel id:${channelId}`;
+}