fix(signal): stabilize daemon + add signal delivery

src/infra/heartbeat-runner.ts

@@ -20,6 +20,7 @@ import { createSubsystemLogger } from "../logging.js";
 import { getQueueSize } from "../process/command-queue.js";
 import { webAuthExists } from "../providers/web/index.js";
 import { defaultRuntime, type RuntimeEnv } from "../runtime.js";
+import { sendMessageSignal } from "../signal/send.js";
 import { sendMessageTelegram } from "../telegram/send.js";
 import { normalizeE164 } from "../utils.js";
 import { getActiveWebListener } from "../web/active-listener.js";
@@ -36,10 +37,11 @@ export type HeartbeatTarget =
   | "whatsapp"
   | "telegram"
   | "discord"
+  | "signal"
   | "none";
 
 export type HeartbeatDeliveryTarget = {
-  channel: "whatsapp" | "telegram" | "discord" | "none";
+  channel: "whatsapp" | "telegram" | "discord" | "signal" | "none";
   to?: string;
   reason?: string;
 };
@@ -49,6 +51,7 @@ type HeartbeatDeps = {
   sendWhatsApp?: typeof sendMessageWhatsApp;
   sendTelegram?: typeof sendMessageTelegram;
   sendDiscord?: typeof sendMessageDiscord;
+  sendSignal?: typeof sendMessageSignal;
   getQueueSize?: (lane?: string) => number;
   nowMs?: () => number;
   webAuthExists?: () => Promise<boolean>;
@@ -177,6 +180,7 @@ export function resolveHeartbeatDeliveryTarget(params: {
     rawTarget === "whatsapp" ||
     rawTarget === "telegram" ||
     rawTarget === "discord" ||
+    rawTarget === "signal" ||
     rawTarget === "none" ||
     rawTarget === "last"
       ? rawTarget
@@ -197,10 +201,13 @@ export function resolveHeartbeatDeliveryTarget(params: {
       : undefined;
   const lastTo = typeof entry?.lastTo === "string" ? entry.lastTo.trim() : "";
 
-  const channel: "whatsapp" | "telegram" | "discord" | undefined =
+  const channel: "whatsapp" | "telegram" | "discord" | "signal" | undefined =
     target === "last"
       ? lastChannel
-      : target === "whatsapp" || target === "telegram" || target === "discord"
+      : target === "whatsapp" ||
+          target === "telegram" ||
+          target === "discord" ||
+          target === "signal"
         ? target
         : undefined;
 
@@ -267,12 +274,15 @@ function normalizeHeartbeatReply(
 }
 
 async function deliverHeartbeatReply(params: {
-  channel: "whatsapp" | "telegram" | "discord";
+  channel: "whatsapp" | "telegram" | "discord" | "signal";
   to: string;
   text: string;
   mediaUrls: string[];
   deps: Required<
-    Pick<HeartbeatDeps, "sendWhatsApp" | "sendTelegram" | "sendDiscord">
+    Pick<
+      HeartbeatDeps,
+      "sendWhatsApp" | "sendTelegram" | "sendDiscord" | "sendSignal"
+    >
   >;
 }) {
   const { channel, to, text, mediaUrls, deps } = params;
@@ -292,6 +302,22 @@ async function deliverHeartbeatReply(params: {
     return;
   }
 
+  if (channel === "signal") {
+    if (mediaUrls.length === 0) {
+      for (const chunk of chunkText(text, 4000)) {
+        await deps.sendSignal(to, chunk);
+      }
+      return;
+    }
+    let first = true;
+    for (const url of mediaUrls) {
+      const caption = first ? text : "";
+      first = false;
+      await deps.sendSignal(to, caption, { mediaUrl: url });
+    }
+    return;
+  }
+
   if (channel === "telegram") {
     if (mediaUrls.length === 0) {
       for (const chunk of chunkText(text, 4000)) {
@@ -437,6 +463,7 @@ export async function runHeartbeatOnce(opts: {
       sendWhatsApp: opts.deps?.sendWhatsApp ?? sendMessageWhatsApp,
       sendTelegram: opts.deps?.sendTelegram ?? sendMessageTelegram,
       sendDiscord: opts.deps?.sendDiscord ?? sendMessageDiscord,
+      sendSignal: opts.deps?.sendSignal ?? sendMessageSignal,
     };
     await deliverHeartbeatReply({
       channel: delivery.channel,