diff --git a/src/__tests__/guardian-notification-payloads.test.ts b/src/__tests__/guardian-notification-payloads.test.ts
new file mode 100644
index 000000000..03ad2f5b0
--- /dev/null
+++ b/src/__tests__/guardian-notification-payloads.test.ts
@@ -0,0 +1,29 @@
+import { describe, expect, it } from "vitest";
+
+import { isManagedGuardianDelivery } from "@/lib/notifications/managed-delivery";
+
+describe("managed Guardian notification payload safety", () => {
+  it("recognises only cross-account record delivery as managed Guardian delivery", () => {
+    expect(
+      isManagedGuardianDelivery({
+        eventType: "MEDICATION_REMINDER",
+        userId: "record-1",
+        recordUserId: "record-1",
+        recipientUserId: "guardian-1",
+        title: "t",
+        message: "m",
+      }),
+    ).toBe(true);
+
+    expect(
+      isManagedGuardianDelivery({
+        eventType: "MEDICATION_REMINDER",
+        userId: "user-1",
+        recordUserId: "user-1",
+        recipientUserId: "user-1",
+        title: "t",
+        message: "m",
+      }),
+    ).toBe(false);
+  });
+});
diff --git a/src/app/api/telegram/webhook/__tests__/route.test.ts b/src/app/api/telegram/webhook/__tests__/route.test.ts
index 05431bd59..ac4e3b012 100644
--- a/src/app/api/telegram/webhook/__tests__/route.test.ts
+++ b/src/app/api/telegram/webhook/__tests__/route.test.ts
@@ -287,6 +287,25 @@ describe("Telegram webhook — rate limit", () => {
 });
 
 describe("Telegram webhook — callback dispatch", () => {
+  it("rejects a callback tied to a managed Guardian reminder without mutating the record", async () => {
+    vi.mocked(prisma.telegramReminderMessage.findFirst).mockResolvedValueOnce({
+      medication: { userId: "managed-record" },
+    } as never);
+
+    const res = await POST(tgRequest(callbackUpdate("taken:med-1")));
+
+    expect(res.status).toBe(200);
+    expect(prisma.medication.findFirst).not.toHaveBeenCalled();
+    expect(prisma.medicationIntakeEvent.create).not.toHaveBeenCalled();
+    expect(prisma.medication.update).not.toHaveBeenCalled();
+    expect(deleteMessage).not.toHaveBeenCalled();
+    expect(answerTelegramCallbackQuery).toHaveBeenCalledWith(
+      "decrypted:ENC(token-blob)",
+      "cb-1",
+      "Invalid action.",
+    );
+  });
+
   it("'taken:<medId>' creates a MedicationIntakeEvent + clears snoozedUntil + acks the callback", async () => {
     const res = await POST(tgRequest(callbackUpdate("taken:med-1")));
     expect(res.status).toBe(200);
diff --git a/src/lib/notifications/__tests__/web-push-dose-clear.test.ts b/src/lib/notifications/__tests__/web-push-dose-clear.test.ts
index 684a85cea..c2b3d76ad 100644
--- a/src/lib/notifications/__tests__/web-push-dose-clear.test.ts
+++ b/src/lib/notifications/__tests__/web-push-dose-clear.test.ts
@@ -164,6 +164,30 @@ describe("web-push reminder push — stable tag + badge", () => {
     );
     expect(body.tag).toBe("REMINDER");
   });
+
+  it("uses an ordinary landing route without a persistent prompt for a managed Guardian", async () => {
+    findManyMock.mockResolvedValue([SUB]);
+    vi.spyOn(global, "fetch").mockResolvedValue(
+      new Response(null, { status: 201 }),
+    );
+
+    await sendViaWebPush("guardian-1", {
+      eventType: "MEDICATION_REMINDER",
+      userId: "record-1",
+      recordUserId: "record-1",
+      recipientUserId: "guardian-1",
+      title: "Time for your dose",
+      message: "Ramipril 5mg",
+      urgent: true,
+      metadata: { url: "/medications/med-1" },
+    });
+
+    const body = JSON.parse(
+      generateRequestDetailsMock.mock.calls[0][1] as string,
+    );
+    expect(body.url).toBe("/");
+    expect(body.requireInteraction).toBe(false);
+  });
 });
 
 describe("clear-on-taken push", () => {
diff --git a/src/lib/notifications/senders/__tests__/apns.test.ts b/src/lib/notifications/senders/__tests__/apns.test.ts
index 1084f838d..85d1a8676 100644
--- a/src/lib/notifications/senders/__tests__/apns.test.ts
+++ b/src/lib/notifications/senders/__tests__/apns.test.ts
@@ -610,6 +610,32 @@ describe("sendViaApns — dispatcher fan-out", () => {
     expect(note.payload.eventType).toBe("MEDICATION_REMINDER");
   });
 
+  it("omits action metadata and categories for a managed Guardian", async () => {
+    vi.mocked(prisma.device.findMany).mockResolvedValueOnce([
+      { id: "d1", apnsToken: "tok-a", apnsEnvironment: "sandbox" },
+    ] as never);
+    sendMock.mockResolvedValueOnce({ sent: [{ device: "tok-a" }], failed: [] });
+
+    await sendViaApns("guardian-1", {
+      title: "t",
+      message: "m",
+      eventType: "MEDICATION_REMINDER",
+      userId: "record-1",
+      recordUserId: "record-1",
+      recipientUserId: "guardian-1",
+      metadata: {
+        medicationId: "med-1",
+        scheduleId: "sched-1",
+        reminderId: "rem-1",
+        url: "/medications/med-1",
+      },
+    });
+
+    const note = sendMock.mock.calls[0][0];
+    expect(note.category).toBeUndefined();
+    expect(note.payload).toEqual({ eventType: "MEDICATION_REMINDER" });
+  });
+
   it("forwards reminderId on MEASUREMENT_REMINDER and strips unlisted keys", async () => {
     // The iOS "Erledigt" action POSTs the reminder completion directly
     // from a foreground / handled notification, so the reminder's id must
diff --git a/src/lib/notifications/senders/__tests__/telegram.test.ts b/src/lib/notifications/senders/__tests__/telegram.test.ts
index 292900143..fdbc30d10 100644
--- a/src/lib/notifications/senders/__tests__/telegram.test.ts
+++ b/src/lib/notifications/senders/__tests__/telegram.test.ts
@@ -200,6 +200,26 @@ describe("sendViaTelegram — per-slot delete scope (H2)", () => {
     ]);
   });
 
+  it("omits a record's inline actions for a managed Guardian", async () => {
+    await sendViaTelegram(
+      { botToken: "bot-token", chatId: "guardian-chat" },
+      {
+        ...reminderPayload({
+          replyMarkup: {
+            inline_keyboard: [[{ text: "Take", callback_data: "taken:med-1" }]],
+          },
+        }),
+        userId: "managed-record",
+        recordUserId: "managed-record",
+        recipientUserId: "guardian-1",
+      },
+    );
+
+    expect(
+      sendTelegramMessageMock.mock.calls[0][3].replyMarkup,
+    ).toBeUndefined();
+  });
+
   it("updates one recipient slot when its Telegram chat changes", async () => {
     findUniqueMock.mockResolvedValue({ chatId: "old-chat", messageId: 123 });
 
diff --git a/src/lib/notifications/senders/__tests__/urgency.test.ts b/src/lib/notifications/senders/__tests__/urgency.test.ts
index bf94783ac..a66b01831 100644
--- a/src/lib/notifications/senders/__tests__/urgency.test.ts
+++ b/src/lib/notifications/senders/__tests__/urgency.test.ts
@@ -146,6 +146,24 @@ describe("ntfy urgent mapping", () => {
     expect(headers.Priority).toBe("5");
     expect(headers.Tags).toBe("reminder");
   });
+
+  it("does not send ntfy action headers to a managed Guardian", async () => {
+    safeFetchMock.mockResolvedValue({ ok: true, status: 200 });
+    await sendViaNtfy(
+      { serverUrl: "https://ntfy.example.com", topic: "t" },
+      payload({
+        userId: "record-1",
+        recordUserId: "record-1",
+        recipientUserId: "guardian-1",
+      }),
+    );
+    const headers = (
+      safeFetchMock.mock.calls[0][1] as {
+        headers: Record<string, string>;
+      }
+    ).headers;
+    expect(headers.Actions).toBeUndefined();
+  });
 });
 
 describe("webhook urgent mapping", () => {