diff --git a/src/features/team-mode/tools/messaging.test.ts b/src/features/team-mode/tools/messaging.test.ts
index 0faf67771..2c069d5bd 100644
--- a/src/features/team-mode/tools/messaging.test.ts
+++ b/src/features/team-mode/tools/messaging.test.ts
@@ -282,6 +282,34 @@ describe("createTeamSendMessageTool", () => {
     expect(calls[0]?.directory).toBe(resolveBaseDir(fixture.config))
   })
 
+  test("#given recipient OpenCode session is busy #when team_send_message attempts live delivery #then it leaves the message unread without starting another reply", async () => {
+    // given
+    const fixture = await createTeamFixture()
+    let promptCalls = 0
+    const client = {
+      session: {
+        status: async () => ({ data: { [fixture.memberTwoSessionId]: { type: "busy" } } }),
+        promptAsync: async () => {
+          promptCalls += 1
+        },
+      },
+    }
+    const liveTool = createTeamSendMessageTool(fixture.config, client)
+
+    // when
+    await liveTool.execute({
+      teamRunId: fixture.teamRunId,
+      to: "m2",
+      body: "ping while busy",
+    }, fixture.toolContext(fixture.memberOneSessionId))
+
+    // then
+    expect(promptCalls).toBe(0)
+    const unread = await listUnreadMessages(fixture.teamRunId, "m2", fixture.config)
+    expect(unread).toHaveLength(1)
+    expect(unread[0]?.body).toBe("ping while busy")
+  })
+
   test("live delivery pins the recipient's resolved subagent_type and model on promptAsync", async () => {
     // given
     const fixture = await createTeamFixture()
diff --git a/src/features/team-mode/tools/messaging.ts b/src/features/team-mode/tools/messaging.ts
index d04105974..d3bcb5c5a 100644
--- a/src/features/team-mode/tools/messaging.ts
+++ b/src/features/team-mode/tools/messaging.ts
@@ -15,6 +15,7 @@ import {
   reserveMessageForDelivery,
 } from "../team-mailbox/reservation"
 import { BroadcastNotPermittedError, sendMessage } from "../team-mailbox/send"
+import { promptAsyncAfterSessionIdle } from "../../../hooks/shared/prompt-async-gate"
 
 import type { Message } from "../types"
 import { MessageSchema } from "../types"
@@ -33,6 +34,7 @@ export type LiveDeliveryClient = {
       }
       query?: { directory: string }
     }): Promise<unknown>
+    status?: () => Promise<unknown>
   }
 }
 
@@ -180,11 +182,31 @@ async function deliverLive(
     applyMemberSessionRouting(recipientSessionId, recipientMember)
 
     try {
-      await client.session.promptAsync({
-        path: { id: recipientSessionId },
-        body: buildMemberPromptBody(recipientMember, envelope),
-        query: { directory: recipientMember.worktreePath ?? directory },
+      const promptResult = await promptAsyncAfterSessionIdle({
+        client,
+        sessionID: recipientSessionId,
+        source: "team-live-delivery",
+        input: {
+          path: { id: recipientSessionId },
+          body: buildMemberPromptBody(recipientMember, envelope),
+          query: { directory: recipientMember.worktreePath ?? directory },
+        },
       })
+      if (promptResult.status !== "dispatched") {
+        log("[team-mailbox] live delivery skipped by promptAsync gate, falling back to inbox injection", {
+          status: promptResult.status,
+          teamRunId,
+          recipient: recipientName,
+          recipientSessionId,
+          messageId: message.messageId,
+        })
+        await releaseReservationSafely(reservation, {
+          teamRunId,
+          recipient: recipientName,
+          messageId: message.messageId,
+        })
+        continue
+      }
       await commitDeliveryReservation(reservation)
       log("[team-mailbox] live delivery committed", {
         teamRunId,
diff --git a/src/hooks/team-session-events/team-idle-wake-hint.ts b/src/hooks/team-session-events/team-idle-wake-hint.ts
index e07898911..347da7f73 100644
--- a/src/hooks/team-session-events/team-idle-wake-hint.ts
+++ b/src/hooks/team-session-events/team-idle-wake-hint.ts
@@ -9,7 +9,7 @@ import {
 } from "../../features/team-mode/member-session-routing"
 import { resolveSessionEventID } from "../../shared/event-session-id"
 import { log } from "../../shared/logger"
-import { shouldPromptAfterSessionIdle } from "../shared/session-idle-settle"
+import { promptAsyncAfterSessionIdle } from "../shared/prompt-async-gate"
 
 type PromptAsyncInput = {
   path: { id: string }
@@ -100,23 +100,29 @@ export function createTeamIdleWakeHint(ctx: TeamIdleWakeHintContext, config: Tea
       }
 
       applyMemberSessionRouting(sessionID, memberEntry)
-      if (!(await shouldPromptAfterSessionIdle(ctx.client, sessionID, options?.idleSettleMs))) {
-        log("team idle wake hint skipped because session is active", {
-          event: "team-mode-idle-wake-hint-active-session",
+      const promptResult = await promptAsyncAfterSessionIdle({
+        client: ctx.client,
+        sessionID,
+        source: "team-idle-wake-hint",
+        settleMs: options?.idleSettleMs,
+        input: {
+          path: { id: sessionID },
+          body: buildMemberPromptBody(memberEntry, buildWakeHint(unreadMessages.length)),
+          query: { directory: ctx.directory },
+        },
+      })
+      if (promptResult.status !== "dispatched") {
+        log("team idle wake hint skipped by promptAsync gate", {
+          event: "team-mode-idle-wake-hint-gated",
           teamRunId: runtimeState.teamRunId,
           memberName: memberEntry.name,
           sessionID,
           unreadCount: unreadMessages.length,
+          status: promptResult.status,
         })
         return
       }
 
-      await ctx.client.session.promptAsync({
-        path: { id: sessionID },
-        body: buildMemberPromptBody(memberEntry, buildWakeHint(unreadMessages.length)),
-        query: { directory: ctx.directory },
-      })
-
       log("team idle wake hint sent", {
         event: "team-mode-idle-wake-hint",
         teamRunId: runtimeState.teamRunId,