diff --git a/src/main/services/team/TeamProvisioningService.ts b/src/main/services/team/TeamProvisioningService.ts
index 1960e7a8..0c5685b2 100644
--- a/src/main/services/team/TeamProvisioningService.ts
+++ b/src/main/services/team/TeamProvisioningService.ts
@@ -35,6 +35,7 @@ import { resolveLanguageName } from '@shared/utils/agentLanguage';
 import { parseCliArgs } from '@shared/utils/cliArgsParser';
 import {
   isInboxNoiseMessage,
+  isMeaningfulBootstrapCheckInMessage,
   type ParsedPermissionRequest,
   parsePermissionRequest,
 } from '@shared/utils/inboxNoise';
@@ -2593,7 +2594,10 @@ export class TeamProvisioningService {
     // runtime produced a real post-spawn message, unlike writes to inboxes/<member>.json
     // which may simply be user/lead messages addressed TO the teammate.
     const sameTeamBlocks = blocks.filter((block) => !parseCrossTeamPrefix(block.content));
-    for (const block of sameTeamBlocks) {
+    const meaningfulSameTeamBlocks = sameTeamBlocks.filter((block) =>
+      isMeaningfulBootstrapCheckInMessage(block.content)
+    );
+    for (const block of meaningfulSameTeamBlocks) {
       this.setMemberSpawnStatus(run, block.teammateId, 'online', undefined, 'heartbeat');
     }
     for (const block of sameTeamBlocks) {
@@ -6491,7 +6495,12 @@ export class TeamProvisioningService {
         matchedRuntimeNames.some((runtimeName) => liveAgentNames.has(runtimeName));
       const heartbeatMessage = leadInboxMessages.find((message) => {
         if (typeof message.from !== 'string' || message.from.trim() !== expected) return false;
-        if (typeof message.text !== 'string' || message.text.trim().length === 0) return false;
+        if (
+          typeof message.text !== 'string' ||
+          !isMeaningfulBootstrapCheckInMessage(message.text)
+        ) {
+          return false;
+        }
         const firstAcceptedAt = current.firstSpawnAcceptedAt
           ? Date.parse(current.firstSpawnAcceptedAt)
           : NaN;
diff --git a/src/renderer/components/team/TeamProvisioningBanner.tsx b/src/renderer/components/team/TeamProvisioningBanner.tsx
index 087323be..661df1cd 100644
--- a/src/renderer/components/team/TeamProvisioningBanner.tsx
+++ b/src/renderer/components/team/TeamProvisioningBanner.tsx
@@ -180,7 +180,7 @@ export const TeamProvisioningBanner = ({
         <ProvisioningProgressBlock
           key={progress.runId}
           title="Launch details"
-          message={readyDetailMessage}
+          message={failedSpawnCount > 0 ? readyDetailMessage : null}
           messageSeverity={readyDetailSeverity}
           currentStepIndex={progressStepIndex >= 0 ? progressStepIndex : -1}
           startedAt={progress.startedAt}
diff --git a/src/shared/utils/inboxNoise.ts b/src/shared/utils/inboxNoise.ts
index 0886e309..36c2cdaa 100644
--- a/src/shared/utils/inboxNoise.ts
+++ b/src/shared/utils/inboxNoise.ts
@@ -37,6 +37,16 @@ export function isInboxNoiseMessage(text: string): boolean {
   return !!type && INBOX_NOISE_SET.has(type);
 }
 
+/**
+ * Returns true when a teammate message is substantive enough to count as a real
+ * bootstrap/check-in signal. Internal coordination noise like idle/shutdown
+ * JSON should keep the runtime marked alive, but must not be treated as a
+ * teammate "checked in" signal in launch UX.
+ */
+export function isMeaningfulBootstrapCheckInMessage(text: string): boolean {
+  return text.trim().length > 0 && !isInboxNoiseMessage(text);
+}
+
 // ---------------------------------------------------------------------------
 // Teammate permission request parsing
 // ---------------------------------------------------------------------------
diff --git a/test/shared/utils/inboxNoise.test.ts b/test/shared/utils/inboxNoise.test.ts
index cda94fff..033fd803 100644
--- a/test/shared/utils/inboxNoise.test.ts
+++ b/test/shared/utils/inboxNoise.test.ts
@@ -2,6 +2,7 @@ import { describe, expect, it } from 'vitest';
 
 import {
   isInboxNoiseMessage,
+  isMeaningfulBootstrapCheckInMessage,
   isOnlyTeammateMessageBlocks,
   isThoughtProtocolNoise,
   stripTeammateMessageBlocks,
@@ -124,3 +125,21 @@ describe('isInboxNoiseMessage', () => {
     expect(isInboxNoiseMessage('Hello world')).toBe(false);
   });
 });
+
+describe('isMeaningfulBootstrapCheckInMessage', () => {
+  it('rejects idle_notification noise', () => {
+    expect(
+      isMeaningfulBootstrapCheckInMessage(
+        '{"type":"idle_notification","from":"alice","idleReason":"available"}'
+      )
+    ).toBe(false);
+  });
+
+  it('accepts normal plain-text teammate replies', () => {
+    expect(isMeaningfulBootstrapCheckInMessage('Я на месте и готов продолжать.')).toBe(true);
+  });
+
+  it('rejects blank text', () => {
+    expect(isMeaningfulBootstrapCheckInMessage('   ')).toBe(false);
+  });
+});