chore(obs): add lightweight console logs for scheduler and push

Log scheduler ticks, refresh requests, dedupe skips by device id,
push attempt/success with token hints, and push failures without
extra sensitive fields.

src/routes/notifications.ts

@@ -8,6 +8,7 @@ notificationsRouter.get("/", (_req, res) => {
 });
 
 notificationsRouter.post("/refresh", async (_req, res) => {
+  console.log("[Refresh] Request received");
   const now = Date.now();
 
   res.json({

src/scheduler.ts

@@ -8,12 +8,13 @@ export function startScheduler(): void {
 
   intervalId = setInterval(async () => {
     try {
+      console.log("[Scheduler] Checking devices...");
       const devices = await db.getAll();
       for (const d of devices) {
         await sendPushToDevice(d.fcmToken);
       }
     } catch (err) {
-      console.error("scheduler tick failed", err);
+      console.error("[Scheduler] Tick failed", err);
     }
   }, 5 * 60 * 1000);
 }

src/services/pushService.ts

@@ -15,6 +15,12 @@ function lastNotifiedMs(row: StoredRow | undefined): number | undefined {
   return undefined;
 }
 
+/** Short token fingerprint for logs (not the full FCM token). */
+function tokenHint(token: string): string {
+  if (token.length <= 16) return token;
+  return `${token.slice(0, 8)}…${token.slice(-4)}`;
+}
+
 function stringifyData(
   payload: Record<string, unknown>
 ): Record<string, string> {
@@ -41,6 +47,8 @@ export async function sendPushToDevice(
     last !== undefined &&
     now - last < notifyThresholdMs(row?.testMode)
   ) {
+    const device = { id: row?.id ?? "unknown" };
+    console.log("[Skip] Recently notified:", device.id);
     return "skipped";
   }
 
@@ -51,6 +59,9 @@ export async function sendPushToDevice(
       type: "WAKEUP_PING",
     };
 
+    const token = tokenHint(fcmToken);
+    console.log("[Push] Sending to:", token);
+
     await messaging.send({
       token: device.fcmToken,
       apns: {
@@ -71,9 +82,10 @@ export async function sendPushToDevice(
     if (persisted !== undefined) {
       await db.update(persisted.id, { lastNotifiedAt: Date.now() });
     }
+    console.log("[Push] Success:", token);
     return "sent";
   } catch (err) {
-    console.error("FCM send failed", err);
+    console.error("[Push] Failed:", err);
     return "failed";
   }
 }