fix: newline chunking across channels

src/channels/plugins/outbound/imessage.ts

@@ -6,6 +6,7 @@ import type { ChannelOutboundAdapter } from "../types.js";
 export const imessageOutbound: ChannelOutboundAdapter = {
   deliveryMode: "direct",
   chunker: chunkText,
+  chunkerMode: "text",
   textChunkLimit: 4000,
   sendText: async ({ cfg, to, text, accountId, deps }) => {
     const send = deps?.sendIMessage ?? sendMessageIMessage;

src/channels/plugins/outbound/signal.ts

@@ -6,6 +6,7 @@ import type { ChannelOutboundAdapter } from "../types.js";
 export const signalOutbound: ChannelOutboundAdapter = {
   deliveryMode: "direct",
   chunker: chunkText,
+  chunkerMode: "text",
   textChunkLimit: 4000,
   sendText: async ({ cfg, to, text, accountId, deps }) => {
     const send = deps?.sendSignal ?? sendMessageSignal;

src/channels/plugins/outbound/telegram.ts

@@ -21,6 +21,7 @@ function parseThreadId(threadId?: string | number | null) {
 export const telegramOutbound: ChannelOutboundAdapter = {
   deliveryMode: "direct",
   chunker: markdownToTelegramHtmlChunks,
+  chunkerMode: "markdown",
   textChunkLimit: 4000,
   sendText: async ({ to, text, accountId, deps, replyToId, threadId }) => {
     const send = deps?.sendTelegram ?? sendMessageTelegram;

src/channels/plugins/outbound/whatsapp.ts

@@ -8,6 +8,7 @@ import { missingTargetError } from "../../../infra/outbound/target-errors.js";
 export const whatsappOutbound: ChannelOutboundAdapter = {
   deliveryMode: "gateway",
   chunker: chunkText,
+  chunkerMode: "text",
   textChunkLimit: 4000,
   pollMaxOptions: 12,
   resolveTarget: ({ to, allowFrom, mode }) => {

src/channels/plugins/types.adapters.ts

@@ -84,6 +84,7 @@ export type ChannelOutboundContext = {
 export type ChannelOutboundAdapter = {
   deliveryMode: "direct" | "gateway" | "hybrid";
   chunker?: ((text: string, limit: number) => string[]) | null;
+  chunkerMode?: "text" | "markdown";
   textChunkLimit?: number;
   pollMaxOptions?: number;
   resolveTarget?: (params: {