fix: enhance error handling in daily digest notifications

index.ts

@@ -39,9 +39,10 @@ ${usage}
       method: "POST",
       headers: {
         Authorization: `Bearer ${TOKEN}`,
-        Title: `Daily Digest for ${dayjs().format("YYYY-MM-DD")}`,
+        Title: `Daily Digest for ${dayjs().format("YYYY-MM-DD")}: Error`,
         Markdown: "yes",
-        Tags: "calendar"
+        Tags: "calendar",
+        Priority: "max"
       },
       body: message,
     },
@@ -54,8 +55,29 @@ ${usage}
   console.log("Notification sent at " + dayjs().format("YYYY-MM-dd HH:mm:ss"))
 }
 
+async function runMain() {
+  try {
+    await main()
+  } catch (err) {
+    console.error(err)
+    fetch(
+      `https://ntfy.hy-pr.link/${TOPIC}`,
+      {
+        method: "POST",
+        headers: {
+          Authorization: `Bearer ${TOKEN}`,
+          Title: `Daily Digest for ${dayjs().format("YYYY-MM-DD")}`,
+          Markdown: "yes",
+          Tags: "calendar"
+        },
+        body: `Error sending daily digest: ${(err as Error).message}`,
+      },
+    )
+  }
+}
+
 cron.schedule("0 7 * * *", () => {
-  main().catch((err) => {
+  runMain().catch((err) => {
     console.error(err)
   })
 })
@@ -76,7 +98,7 @@ es.onmessage = (e) => {
   const msg = JSON.parse(e.data).message as string
 
   if (msg === "/digest") {
-    main().catch((err) => {
+    runMain().catch((err) => {
       console.error(err)
     })
   }