fix: newline chunking across channels

src/web/accounts.ts

@@ -22,6 +22,7 @@ export type ResolvedWhatsAppAccount = {
   groupPolicy?: GroupPolicy;
   dmPolicy?: DmPolicy;
   textChunkLimit?: number;
+  chunkMode?: "length" | "newline";
   mediaMaxMb?: number;
   blockStreaming?: boolean;
   ackReaction?: WhatsAppAccountConfig["ackReaction"];
@@ -150,6 +151,7 @@ export function resolveWhatsAppAccount(params: {
     groupAllowFrom: accountCfg?.groupAllowFrom ?? rootCfg?.groupAllowFrom,
     groupPolicy: accountCfg?.groupPolicy ?? rootCfg?.groupPolicy,
     textChunkLimit: accountCfg?.textChunkLimit ?? rootCfg?.textChunkLimit,
+    chunkMode: accountCfg?.chunkMode ?? rootCfg?.chunkMode,
     mediaMaxMb: accountCfg?.mediaMaxMb ?? rootCfg?.mediaMaxMb,
     blockStreaming: accountCfg?.blockStreaming ?? rootCfg?.blockStreaming,
     ackReaction: accountCfg?.ackReaction ?? rootCfg?.ackReaction,

src/web/auto-reply/deliver-reply.ts

@@ -1,4 +1,4 @@
-import { chunkMarkdownText } from "../../auto-reply/chunk.js";
+import { chunkMarkdownTextWithMode, type ChunkMode } from "../../auto-reply/chunk.js";
 import type { MarkdownTableMode } from "../../config/types.base.js";
 import { convertMarkdownTables } from "../../markdown/tables.js";
 import type { ReplyPayload } from "../../auto-reply/types.js";
@@ -15,6 +15,7 @@ export async function deliverWebReply(params: {
   msg: WebInboundMsg;
   maxMediaBytes: number;
   textLimit: number;
+  chunkMode?: ChunkMode;
   replyLogger: {
     info: (obj: unknown, msg: string) => void;
     warn: (obj: unknown, msg: string) => void;
@@ -26,8 +27,9 @@ export async function deliverWebReply(params: {
   const { replyResult, msg, maxMediaBytes, textLimit, replyLogger, connectionId, skipLog } = params;
   const replyStarted = Date.now();
   const tableMode = params.tableMode ?? "code";
+  const chunkMode = params.chunkMode ?? "length";
   const convertedText = convertMarkdownTables(replyResult.text || "", tableMode);
-  const textChunks = chunkMarkdownText(convertedText, textLimit);
+  const textChunks = chunkMarkdownTextWithMode(convertedText, textLimit, chunkMode);
   const mediaList = replyResult.mediaUrls?.length
     ? replyResult.mediaUrls
     : replyResult.mediaUrl

src/web/auto-reply/monitor.ts

@@ -79,6 +79,7 @@ export async function monitorWebChannel(
         groupAllowFrom: account.groupAllowFrom,
         groupPolicy: account.groupPolicy,
         textChunkLimit: account.textChunkLimit,
+        chunkMode: account.chunkMode,
         mediaMaxMb: account.mediaMaxMb,
         blockStreaming: account.blockStreaming,
         groups: account.groups,

src/web/auto-reply/monitor/process-message.ts

@@ -1,5 +1,5 @@
 import { resolveIdentityNamePrefix } from "../../../agents/identity.js";
-import { resolveTextChunkLimit } from "../../../auto-reply/chunk.js";
+import { resolveChunkMode, resolveTextChunkLimit } from "../../../auto-reply/chunk.js";
 import {
   formatInboundEnvelope,
   resolveEnvelopeFormatOptions,
@@ -229,6 +229,7 @@ export async function processMessage(params: {
       : undefined;
 
   const textLimit = params.maxMediaTextChunkLimit ?? resolveTextChunkLimit(params.cfg, "whatsapp");
+  const chunkMode = resolveChunkMode(params.cfg, "whatsapp", params.route.accountId);
   const tableMode = resolveMarkdownTableMode({
     cfg: params.cfg,
     channel: "whatsapp",
@@ -338,6 +339,7 @@ export async function processMessage(params: {
           msg: params.msg,
           maxMediaBytes: params.maxMediaBytes,
           textLimit,
+          chunkMode,
           replyLogger: params.replyLogger,
           connectionId: params.connectionId,
           // Tool + block updates are noisy; skip their log lines.