fix(signal): stabilize daemon + add signal delivery

src/cron/isolated-agent.ts

@@ -53,7 +53,7 @@ function pickSummaryFromPayloads(
 function resolveDeliveryTarget(
   cfg: ClawdisConfig,
   jobPayload: {
-    channel?: "last" | "whatsapp" | "telegram" | "discord";
+    channel?: "last" | "whatsapp" | "telegram" | "discord" | "signal";
     to?: string;
   },
 ) {
@@ -79,7 +79,8 @@ function resolveDeliveryTarget(
     if (
       requestedChannel === "whatsapp" ||
       requestedChannel === "telegram" ||
-      requestedChannel === "discord"
+      requestedChannel === "discord" ||
+      requestedChannel === "signal"
     ) {
       return requestedChannel;
     }
@@ -414,6 +415,44 @@ export async function runCronIsolatedAgentTurn(params: {
           return { status: "error", summary, error: String(err) };
         return { status: "ok", summary };
       }
+    } else if (resolvedDelivery.channel === "signal") {
+      if (!resolvedDelivery.to) {
+        if (!bestEffortDeliver)
+          return {
+            status: "error",
+            summary,
+            error: "Cron delivery to Signal requires a recipient.",
+          };
+        return {
+          status: "skipped",
+          summary: "Delivery skipped (no Signal recipient).",
+        };
+      }
+      const to = resolvedDelivery.to;
+      try {
+        for (const payload of payloads) {
+          const mediaList =
+            payload.mediaUrls ?? (payload.mediaUrl ? [payload.mediaUrl] : []);
+          if (mediaList.length === 0) {
+            for (const chunk of chunkText(payload.text ?? "", 4000)) {
+              await params.deps.sendMessageSignal(to, chunk);
+            }
+          } else {
+            let first = true;
+            for (const url of mediaList) {
+              const caption = first ? (payload.text ?? "") : "";
+              first = false;
+              await params.deps.sendMessageSignal(to, caption, {
+                mediaUrl: url,
+              });
+            }
+          }
+        }
+      } catch (err) {
+        if (!bestEffortDeliver)
+          return { status: "error", summary, error: String(err) };
+        return { status: "ok", summary };
+      }
     }
   }
 

src/cron/types.ts

@@ -14,7 +14,7 @@ export type CronPayload =
       thinking?: string;
       timeoutSeconds?: number;
       deliver?: boolean;
-      channel?: "last" | "whatsapp" | "telegram" | "discord";
+      channel?: "last" | "whatsapp" | "telegram" | "discord" | "signal";
       to?: string;
       bestEffortDeliver?: boolean;
     };