diff --git a/extensions/telegram/src/inbound-turn-delivery.test.ts b/extensions/telegram/src/inbound-turn-delivery.test.ts
index b73a08afa17..6f27c8e7e88 100644
--- a/extensions/telegram/src/inbound-turn-delivery.test.ts
+++ b/extensions/telegram/src/inbound-turn-delivery.test.ts
@@ -46,6 +46,42 @@ describe("telegram inbound turn delivery", () => {
     end();
   });
 
+  it("matches provider-prefixed Telegram targets for delivery correlation", () => {
+    let count = 0;
+    const end = beginTelegramInboundTurnDeliveryCorrelation("sess:prefixed", {
+      outboundTo: "-100123",
+      markInboundTurnDelivered: () => {
+        count += 1;
+      },
+    });
+
+    notifyTelegramInboundTurnOutboundSuccess({
+      sessionKey: "sess:prefixed",
+      to: "telegram:-100123",
+    });
+
+    expect(count).toBe(1);
+    end();
+  });
+
+  it("matches Telegram topic targets by conversation for delivery correlation", () => {
+    let count = 0;
+    const end = beginTelegramInboundTurnDeliveryCorrelation("sess:topic", {
+      outboundTo: "-100123",
+      markInboundTurnDelivered: () => {
+        count += 1;
+      },
+    });
+
+    notifyTelegramInboundTurnOutboundSuccess({
+      sessionKey: "sess:topic",
+      to: "telegram:-100123:topic:77",
+    });
+
+    expect(count).toBe(1);
+    end();
+  });
+
   it("keeps user-request and room-event delivery correlations separate", () => {
     let userRequestCount = 0;
     let roomEventCount = 0;
diff --git a/extensions/telegram/src/inbound-turn-delivery.ts b/extensions/telegram/src/inbound-turn-delivery.ts
index 78cae4ba287..2ea45a0fd4b 100644
--- a/extensions/telegram/src/inbound-turn-delivery.ts
+++ b/extensions/telegram/src/inbound-turn-delivery.ts
@@ -9,6 +9,30 @@ type ActiveTurn = {
 
 const registry = new Map<string, ActiveTurn>();
 
+function normalizeTelegramDeliveryTarget(value: string): string {
+  return value
+    .trim()
+    .toLowerCase()
+    .replace(/^(telegram|tg):/u, "");
+}
+
+function stripTelegramTopicTarget(value: string): string {
+  return value.replace(/:topic:\d+$/u, "");
+}
+
+function telegramDeliveryTargetsMatch(expected: string, actual: string): boolean {
+  const expectedTarget = normalizeTelegramDeliveryTarget(expected);
+  const actualTarget = normalizeTelegramDeliveryTarget(actual);
+  if (expectedTarget === actualTarget) {
+    return true;
+  }
+  const expectedBase = stripTelegramTopicTarget(expectedTarget);
+  const actualBase = stripTelegramTopicTarget(actualTarget);
+  return (
+    expectedBase === actualBase && (expectedTarget === expectedBase || actualTarget === actualBase)
+  );
+}
+
 export function resolveTelegramInboundTurnDeliveryCorrelationKey(
   sessionKey: string | undefined,
   inboundTurnKind?: TelegramInboundTurnDeliveryKind | string,
@@ -52,7 +76,7 @@ export function notifyTelegramInboundTurnOutboundSuccess(params: {
     return;
   }
   const turn = registry.get(key);
-  if (!turn || turn.outboundTo !== params.to) {
+  if (!turn || !telegramDeliveryTargetsMatch(turn.outboundTo, params.to)) {
     return;
   }
   if (turn.outboundAccountId && params.accountId && params.accountId !== turn.outboundAccountId) {
diff --git a/src/auto-reply/reply/dispatch-from-config.test.ts b/src/auto-reply/reply/dispatch-from-config.test.ts
index 8661190f9eb..afe4ac04b61 100644
--- a/src/auto-reply/reply/dispatch-from-config.test.ts
+++ b/src/auto-reply/reply/dispatch-from-config.test.ts
@@ -4785,6 +4785,43 @@ describe("sendPolicy deny — suppress delivery, not processing (#53328)", () =>
     expect(dispatcher.sendToolResult).not.toHaveBeenCalled();
   });
 
+  it("suppresses marked runtime failure notices for room events", async () => {
+    setNoAbort();
+    sessionStoreMocks.currentEntry = {
+      sessionId: "s1",
+      updatedAt: 0,
+      sendPolicy: "allow",
+    };
+    const dispatcher = createDispatcher();
+    const failureNotice = setReplyPayloadMetadata(
+      { text: "⚠️ You've reached your Codex subscription usage limit." },
+      { deliverDespiteSourceReplySuppression: true },
+    );
+    const replyResolver = vi.fn(async () => failureNotice satisfies ReplyPayload);
+    const ctx = buildTestCtx({
+      ChatType: "group",
+      InboundTurnKind: "room_event",
+      SessionKey: "test:session",
+    });
+
+    const result = await dispatchReplyFromConfig({
+      ctx,
+      cfg: emptyConfig,
+      dispatcher,
+      replyResolver,
+      replyOptions: {
+        sourceReplyDeliveryMode: "message_tool_only",
+      },
+    });
+
+    expect(replyResolver).toHaveBeenCalledTimes(1);
+    expect(result.queuedFinal).toBe(false);
+    expect(result.sourceReplyDeliveryMode).toBe("message_tool_only");
+    expect(dispatcher.sendFinalReply).not.toHaveBeenCalled();
+    expect(dispatcher.sendBlockReply).not.toHaveBeenCalled();
+    expect(dispatcher.sendToolResult).not.toHaveBeenCalled();
+  });
+
   it("mirrors internal source reply payloads into the active transcript", async () => {
     setNoAbort();
     sessionStoreMocks.currentEntry = {
diff --git a/src/auto-reply/reply/dispatch-from-config.ts b/src/auto-reply/reply/dispatch-from-config.ts
index 217da1f2f59..095da53957b 100644
--- a/src/auto-reply/reply/dispatch-from-config.ts
+++ b/src/auto-reply/reply/dispatch-from-config.ts
@@ -1599,6 +1599,7 @@ export async function dispatchReplyFromConfig(
     let finalDeliveryFailed = false;
     const shouldDeliverDespiteSourceReplySuppression = (reply: ReplyPayload) =>
       suppressAutomaticSourceDelivery &&
+      ctx.InboundTurnKind !== "room_event" &&
       !sendPolicyDenied &&
       getReplyPayloadMetadata(reply)?.deliverDespiteSourceReplySuppression === true;
     for (const reply of replies) {