diff --git a/src/message-runtime.test.ts b/src/message-runtime.test.ts
index 7bc3199..cfa7378 100644
--- a/src/message-runtime.test.ts
+++ b/src/message-runtime.test.ts
@@ -190,127 +190,6 @@ describe('createMessageRuntime', () => {
     });
   });
 
-  it('ignores untriggered bot messages in paired rooms', async () => {
-    const chatJid = 'group@test';
-    const group = makeGroup('codex');
-    const channel = makeChannel(chatJid);
-    const saveState = vi.fn();
-    const lastAgentTimestamps: Record<string, string> = {};
-
-    vi.mocked(db.isPairedRoomJid).mockReturnValue(true);
-    vi.mocked(db.getMessagesSince).mockReturnValue([
-      {
-        id: 'msg-1',
-        chat_jid: chatJid,
-        sender: 'other-bot@test',
-        sender_name: 'Other Bot',
-        content: '요청을 완료하지 못했습니다. 다시 시도해 주세요.',
-        timestamp: '2026-03-18T09:00:00.000Z',
-        is_bot_message: true,
-      },
-    ]);
-
-    const runtime = createMessageRuntime({
-      assistantName: 'Andy',
-      idleTimeout: 1_000,
-      pollInterval: 1_000,
-      timezone: 'UTC',
-      triggerPattern: /^@Andy\b/i,
-      channels: [channel],
-      queue: {
-        registerProcess: vi.fn(),
-        closeStdin: vi.fn(),
-        notifyIdle: vi.fn(),
-      } as any,
-      getRegisteredGroups: () => ({ [chatJid]: group }),
-      getSessions: () => ({}),
-      getLastTimestamp: () => '',
-      setLastTimestamp: vi.fn(),
-      getLastAgentTimestamps: () => lastAgentTimestamps,
-      saveState,
-      persistSession: vi.fn(),
-      clearSession: vi.fn(),
-    });
-
-    const result = await runtime.processGroupMessages(chatJid, {
-      runId: 'run-ignore-bot-loop',
-      reason: 'messages',
-    });
-
-    expect(result).toBe(true);
-    expect(agentRunner.runAgentProcess).not.toHaveBeenCalled();
-    expect(lastAgentTimestamps[chatJid]).toBe('0');
-    expect(saveState).toHaveBeenCalled();
-  });
-
-  it('processes triggered bot messages in paired rooms', async () => {
-    const chatJid = 'group@test';
-    const group = makeGroup('codex');
-    const channel = makeChannel(chatJid);
-    const saveState = vi.fn();
-    const lastAgentTimestamps: Record<string, string> = {};
-
-    vi.mocked(db.isPairedRoomJid).mockReturnValue(true);
-    vi.mocked(db.getMessagesSince).mockReturnValue([
-      {
-        id: 'msg-1',
-        chat_jid: chatJid,
-        sender: 'other-bot@test',
-        sender_name: 'Other Bot',
-        content: '@Andy 확인 부탁',
-        timestamp: '2026-03-18T09:00:00.000Z',
-        is_bot_message: true,
-      },
-    ]);
-    vi.mocked(agentRunner.runAgentProcess).mockImplementation(
-      async (_group, _input, _onProcess, onOutput) => {
-        await onOutput?.({
-          status: 'success',
-          result: '확인했습니다.',
-          newSessionId: 'session-triggered-bot',
-        });
-        return {
-          status: 'success',
-          result: '확인했습니다.',
-          newSessionId: 'session-triggered-bot',
-        };
-      },
-    );
-
-    const runtime = createMessageRuntime({
-      assistantName: 'Andy',
-      idleTimeout: 1_000,
-      pollInterval: 1_000,
-      timezone: 'UTC',
-      triggerPattern: /^@Andy\b/i,
-      channels: [channel],
-      queue: {
-        registerProcess: vi.fn(),
-        closeStdin: vi.fn(),
-        notifyIdle: vi.fn(),
-      } as any,
-      getRegisteredGroups: () => ({ [chatJid]: group }),
-      getSessions: () => ({}),
-      getLastTimestamp: () => '',
-      setLastTimestamp: vi.fn(),
-      getLastAgentTimestamps: () => lastAgentTimestamps,
-      saveState,
-      persistSession: vi.fn(),
-      clearSession: vi.fn(),
-    });
-
-    const result = await runtime.processGroupMessages(chatJid, {
-      runId: 'run-triggered-bot-message',
-      reason: 'messages',
-    });
-
-    expect(result).toBe(true);
-    expect(agentRunner.runAgentProcess).toHaveBeenCalledTimes(1);
-    expect(channel.sendMessage).toHaveBeenCalledWith(chatJid, '확인했습니다.');
-    expect(lastAgentTimestamps[chatJid]).toBe('1');
-    expect(saveState).toHaveBeenCalled();
-  });
-
   it('clears Claude sessions and closes stdin immediately on poisoned output', async () => {
     const chatJid = 'group@test';
     const group = makeGroup('claude-code');
diff --git a/src/message-runtime.ts b/src/message-runtime.ts
index f0c64a7..54d7f72 100644
--- a/src/message-runtime.ts
+++ b/src/message-runtime.ts
@@ -126,21 +126,6 @@ export function createMessageRuntime(deps: MessageRuntimeDeps): {
       channel?.isOwnMessage?.bind(channel),
     );
 
-  const filterTriggeredPairedBotMessages = (
-    chatJid: string,
-    messages: Parameters<typeof filterProcessableMessages>[0],
-  ) => {
-    if (!isPairedRoomJid(chatJid)) return messages;
-
-    // In paired rooms, require an explicit trigger before reacting to another
-    // bot's message. This keeps the room usable without reintroducing bot loops.
-    return messages.filter(
-      (message) =>
-        !message.is_bot_message ||
-        deps.triggerPattern.test(message.content.trim()),
-    );
-  };
-
   const deliverOpenWorkItem = async (
     channel: Channel,
     item: WorkItem,
@@ -590,9 +575,10 @@ export function createMessageRuntime(deps: MessageRuntimeDeps): {
         sinceSeqCursor,
         deps.assistantName,
       );
-      const missedMessages = filterTriggeredPairedBotMessages(
+      const missedMessages = getProcessableMessages(
         chatJid,
-        getProcessableMessages(chatJid, rawMissedMessages, channel),
+        rawMissedMessages,
+        channel,
       );
 
       if (missedMessages.length === 0) {