diff --git a/src/main/index.ts b/src/main/index.ts
index 6ba75d59..a780e7b9 100644
--- a/src/main/index.ts
+++ b/src/main/index.ts
@@ -90,8 +90,8 @@ import {
 } from '@shared/constants';
 import { shouldSuppressDesktopNotificationForInboxText } from '@shared/utils/idleNotificationSemantics';
 import { parseInboxJson } from '@shared/utils/inboxNoise';
-import { isTeamInternalControlMessageText } from '@shared/utils/teamInternalControlMessages';
 import { createLogger } from '@shared/utils/logger';
+import { isTeamInternalControlMessageEnvelope } from '@shared/utils/teamInternalControlMessages';
 import { app, BrowserWindow, ipcMain } from 'electron';
 import { existsSync } from 'fs';
 import { join } from 'path';
@@ -473,7 +473,7 @@ async function notifyNewInboxMessages(teamName: string, detail: string): Promise
       if (msg.source && suppressedSources.has(msg.source)) continue;
       // Skip app-owned private bootstrap/control prompts. They are durable runtime proof inputs,
       // not user-visible conversation messages.
-      if (isTeamInternalControlMessageText(msg.text)) continue;
+      if (isTeamInternalControlMessageEnvelope(msg)) continue;
       // Skip internal coordination noise (idle_notification, shutdown_*, etc.)
       if (shouldSuppressDesktopNotificationForInboxText(msg.text)) continue;
 
diff --git a/src/main/services/team/TeamMessageFeedService.ts b/src/main/services/team/TeamMessageFeedService.ts
index 28ede7ae..668f529e 100644
--- a/src/main/services/team/TeamMessageFeedService.ts
+++ b/src/main/services/team/TeamMessageFeedService.ts
@@ -1,7 +1,7 @@
 import { classifyIdleNotificationText } from '@shared/utils/idleNotificationSemantics';
 import { createLogger } from '@shared/utils/logger';
 import { buildStandaloneSlashCommandMeta } from '@shared/utils/slashCommands';
-import { isTeamInternalControlMessageText } from '@shared/utils/teamInternalControlMessages';
+import { isTeamInternalControlMessageEnvelope } from '@shared/utils/teamInternalControlMessages';
 import { createHash } from 'crypto';
 
 import { getEffectiveInboxMessageId } from './inboxMessageIdentity';
@@ -140,7 +140,7 @@ function buildSyntheticOpenCodeBootstrapMessages(config: TeamConfig): InboxMessa
 }
 
 function isVisibleTeamMessage(message: InboxMessage): boolean {
-  return !isTeamInternalControlMessageText(message.text);
+  return !isTeamInternalControlMessageEnvelope(message);
 }
 
 function annotateSlashCommandResponses(messages: InboxMessage[]): void {
diff --git a/src/main/services/team/TeamProvisioningService.ts b/src/main/services/team/TeamProvisioningService.ts
index 76b93249..e7d00a41 100644
--- a/src/main/services/team/TeamProvisioningService.ts
+++ b/src/main/services/team/TeamProvisioningService.ts
@@ -84,11 +84,14 @@ import { createLogger } from '@shared/utils/logger';
 import { migrateProviderBackendId } from '@shared/utils/providerBackend';
 import { isDefaultProviderModelSelection } from '@shared/utils/providerModelSelection';
 import { formatTaskDisplayLabel } from '@shared/utils/taskIdentity';
+import {
+  isTeamInternalControlMessageText,
+  stripExactInternalControlEchoPrefix,
+} from '@shared/utils/teamInternalControlMessages';
 import {
   parseAllTeammateMessages,
   type ParsedTeammateContent,
 } from '@shared/utils/teammateMessageParser';
-import { isTeamInternalControlMessageText } from '@shared/utils/teamInternalControlMessages';
 import { buildTeamMemberColorMap } from '@shared/utils/teamMemberColors';
 import { createCliAutoSuffixNameGuard, parseNumericSuffixName } from '@shared/utils/teamMemberName';
 import {
@@ -143,6 +146,14 @@ import {
   type TeamRuntimeSettingsJson,
 } from '../runtime/teamRuntimeSettingsBundle';
 
+import {
+  parseBootstrapRuntimeProofDetail,
+  validateBootstrapRuntimeProofEnvelope,
+} from './bootstrap/BootstrapProofValidation';
+import {
+  buildNativeAppManagedBootstrapSpecs,
+  type NativeAppManagedBootstrapSpec,
+} from './bootstrap/NativeAppManagedBootstrapContextBuilder';
 import {
   createOpenCodePromptDeliveryLedgerStore,
   hashOpenCodePromptDeliveryPayload,
@@ -256,14 +267,6 @@ import {
 import { TeamSentMessagesStore } from './TeamSentMessagesStore';
 import { TeamTaskReader } from './TeamTaskReader';
 import { TeamTranscriptProjectResolver } from './TeamTranscriptProjectResolver';
-import {
-  buildNativeAppManagedBootstrapSpecs,
-  type NativeAppManagedBootstrapSpec,
-} from './bootstrap/NativeAppManagedBootstrapContextBuilder';
-import {
-  parseBootstrapRuntimeProofDetail,
-  validateBootstrapRuntimeProofEnvelope,
-} from './bootstrap/BootstrapProofValidation';
 
 import type {
   OpenCodeCommittedBootstrapSessionRecord,
@@ -19399,7 +19402,12 @@ export class TeamProvisioningService {
 
       // Strip agent-only blocks — lead may respond with pure coordination content
       // that is not meant for the human user.
-      const cleanReply = replyText ? stripAgentBlocks(replyText) : null;
+      const cleanReply = replyText
+        ? stripExactInternalControlEchoPrefix(
+            stripAgentBlocks(replyText),
+            stripAgentBlocks(message)
+          )
+        : null;
       if (cleanReply) {
         if (isTeamInternalControlMessageText(cleanReply)) {
           logger.debug(`[${teamName}] Suppressed internal lead relay echo`);
diff --git a/src/main/services/team/bootstrap/NativeAppManagedBootstrapContextBuilder.ts b/src/main/services/team/bootstrap/NativeAppManagedBootstrapContextBuilder.ts
index ab3d43b5..eb761ac3 100644
--- a/src/main/services/team/bootstrap/NativeAppManagedBootstrapContextBuilder.ts
+++ b/src/main/services/team/bootstrap/NativeAppManagedBootstrapContextBuilder.ts
@@ -1,9 +1,9 @@
+import { getClaudeBasePath } from '@main/utils/pathDecoder';
+import { normalizeOptionalTeamProviderId } from '@shared/utils/teamProvider';
 import * as agentTeamsControllerModule from 'agent-teams-controller';
 import { createHash } from 'crypto';
 
-import { getClaudeBasePath } from '@main/utils/pathDecoder';
 import type { TeamCreateRequest, TeamProviderId } from '@shared/types';
-import { normalizeOptionalTeamProviderId } from '@shared/utils/teamProvider';
 
 const { createController } = agentTeamsControllerModule;
 
@@ -41,7 +41,7 @@ function redactNativeBootstrapContextText(input: string): string {
     .replace(/sk-ant-[A-Za-z0-9_-]+/g, '[REDACTED_ANTHROPIC_API_KEY]')
     .replace(/sk-[A-Za-z0-9_-]{20,}/g, '[REDACTED_API_KEY]')
     .replace(/(ANTHROPIC_API_KEY|OPENAI_API_KEY|CODEX_API_KEY)=\S+/g, '$1=[REDACTED]')
-    .replace(/Bearer\s+[A-Za-z0-9._-]+/gi, 'Bearer [REDACTED]');
+    .replace(/Bearer\s+[A-Z0-9._-]+/gi, 'Bearer [REDACTED]');
 }
 
 function boundText(input: string, maxChars: number): string {
diff --git a/src/renderer/utils/bootstrapPromptSanitizer.ts b/src/renderer/utils/bootstrapPromptSanitizer.ts
index 9c1cc23a..64538dc6 100644
--- a/src/renderer/utils/bootstrapPromptSanitizer.ts
+++ b/src/renderer/utils/bootstrapPromptSanitizer.ts
@@ -6,7 +6,7 @@ import {
 } from '@renderer/utils/teamModelCatalog';
 import {
   isNativeAppManagedBootstrapCheckText,
-  isTeamInternalControlMessageText,
+  isTeamInternalControlMessageEnvelope,
 } from '@shared/utils/teamInternalControlMessages';
 
 import type { InboxMessage, TeamProviderId } from '@shared/types';
@@ -135,17 +135,17 @@ export interface InternalControlMessageDisplay {
 }
 
 export function getInternalControlMessageDisplay(
-  message: Pick<InboxMessage, 'text'>
+  message: Pick<InboxMessage, 'text'> & Partial<Pick<InboxMessage, 'source'>>
 ): InternalControlMessageDisplay | null {
+  if (!isTeamInternalControlMessageEnvelope(message)) {
+    return null;
+  }
   if (isNativeAppManagedBootstrapCheckText(message.text)) {
     return {
       summary: 'Internal bootstrap check',
       body: 'Internal bootstrap check hidden in the UI.',
     };
   }
-  if (!isTeamInternalControlMessageText(message.text)) {
-    return null;
-  }
   return {
     summary: 'Internal control message',
     body: 'Internal control message hidden in the UI.',
@@ -236,7 +236,9 @@ export function getBootstrapAcknowledgementDisplay(
   };
 }
 
-export function getSanitizedInboxMessageText(message: Pick<InboxMessage, 'text' | 'to'>): string {
+export function getSanitizedInboxMessageText(
+  message: Pick<InboxMessage, 'text' | 'to'> & Partial<Pick<InboxMessage, 'source'>>
+): string {
   return (
     getInternalControlMessageDisplay(message)?.body ??
     getBootstrapPromptDisplay(message)?.body ??
@@ -247,7 +249,8 @@ export function getSanitizedInboxMessageText(message: Pick<InboxMessage, 'text'
 }
 
 export function getSanitizedInboxMessageSummary(
-  message: Pick<InboxMessage, 'text' | 'to' | 'from' | 'summary'>
+  message: Pick<InboxMessage, 'text' | 'to' | 'from' | 'summary'> &
+    Partial<Pick<InboxMessage, 'source'>>
 ): string {
   return (
     getInternalControlMessageDisplay(message)?.summary ??
diff --git a/src/renderer/utils/teamMessageFiltering.ts b/src/renderer/utils/teamMessageFiltering.ts
index f462e8f9..91568dc5 100644
--- a/src/renderer/utils/teamMessageFiltering.ts
+++ b/src/renderer/utils/teamMessageFiltering.ts
@@ -4,7 +4,7 @@ import {
 } from '@renderer/utils/bootstrapPromptSanitizer';
 import { shouldKeepIdleMessageInActivityWhenNoiseHidden } from '@renderer/utils/idleNotificationSemantics';
 import { isInboxNoiseMessage } from '@shared/utils/inboxNoise';
-import { isTeamInternalControlMessageText } from '@shared/utils/teamInternalControlMessages';
+import { isTeamInternalControlMessageEnvelope } from '@shared/utils/teamInternalControlMessages';
 
 import type { InboxMessage } from '@shared/types';
 
@@ -127,8 +127,7 @@ export function filterTeamMessages(
   const leadNames = normalizeLeadNames(rawLeadNames);
 
   let list = messages.filter(
-    (m) =>
-      m.messageKind !== 'task_comment_notification' && !isTeamInternalControlMessageText(m.text)
+    (m) => m.messageKind !== 'task_comment_notification' && !isTeamInternalControlMessageEnvelope(m)
   );
   if (timeWindow) {
     list = list.filter((m) => {
diff --git a/src/shared/utils/teamInternalControlMessages.ts b/src/shared/utils/teamInternalControlMessages.ts
index 93e802dd..2c2899aa 100644
--- a/src/shared/utils/teamInternalControlMessages.ts
+++ b/src/shared/utils/teamInternalControlMessages.ts
@@ -2,7 +2,14 @@ const NATIVE_APP_MANAGED_BOOTSTRAP_CHECK_OPEN = '<agent_teams_native_app_managed
 const LEAD_INBOX_RELAY_PROMPT_OPEN = 'You have new inbox messages addressed to you (team lead ';
 const TEAMMATE_MESSAGE_OPEN_RE = /^<teammate-message\s/i;
 
-function stripTranscriptSpeakerPrefix(value: string): string {
+const INTERNAL_CONTROL_MESSAGE_SOURCES = new Set([
+  'lead_process',
+  'lead_session',
+  'runtime_delivery',
+  'system_notification',
+]);
+
+export function stripTranscriptSpeakerPrefix(value: string): string {
   let normalized = value.trim();
   for (let i = 0; i < 3; i += 1) {
     const next = normalized.replace(/^(?:Human|User):\s*/i, '').trimStart();
@@ -45,3 +52,25 @@ export function isTeamInternalControlMessageText(value: unknown): boolean {
     isTeammateProtocolControlText(value)
   );
 }
+
+export function isTeamInternalControlMessageEnvelope(message: {
+  text?: unknown;
+  source?: unknown;
+}): boolean {
+  if (!isTeamInternalControlMessageText(message.text)) {
+    return false;
+  }
+  return typeof message.source === 'string' && INTERNAL_CONTROL_MESSAGE_SOURCES.has(message.source);
+}
+
+export function stripExactInternalControlEchoPrefix(
+  value: string,
+  expectedControlText: string
+): string {
+  const text = stripTranscriptSpeakerPrefix(value);
+  const expected = stripTranscriptSpeakerPrefix(expectedControlText);
+  if (!expected || !text.startsWith(expected)) {
+    return value.trim();
+  }
+  return text.slice(expected.length).trim();
+}
diff --git a/test/main/services/team/TeamMessageFeedService.test.ts b/test/main/services/team/TeamMessageFeedService.test.ts
index 8483ff18..f28d349c 100644
--- a/test/main/services/team/TeamMessageFeedService.test.ts
+++ b/test/main/services/team/TeamMessageFeedService.test.ts
@@ -97,6 +97,32 @@ describe('TeamMessageFeedService', () => {
     expect(feed.messages.map((message) => message.messageId)).toEqual(['visible-user-message']);
   });
 
+  it('does not hide user-authored text just because it resembles an internal prompt', async () => {
+    const service = new TeamMessageFeedService({
+      getConfig: vi.fn(async () => config),
+      getInboxMessages: vi.fn(async () => [
+        makeMessage({
+          messageId: 'quoted-control-prompt',
+          source: 'user_sent',
+          text: `Human: You have new inbox messages addressed to you (team lead "team-lead").
+Process them in order (oldest first).
+
+Messages:
+1) From: tom
+   Timestamp: 2026-05-06T15:02:54.853Z
+   Text:
+   #f8d7235a done.`,
+        }),
+      ]),
+      getLeadSessionMessages: vi.fn(async () => []),
+      getSentMessages: vi.fn(async () => []),
+    });
+
+    const feed = await service.getFeed('signal-ops-4');
+
+    expect(feed.messages.map((message) => message.messageId)).toEqual(['quoted-control-prompt']);
+  });
+
   it('refreshes the durable feed after cache expiry even when the dirty signal was missed', async () => {
     let inboxMessages: InboxMessage[] = [makeMessage()];
     const getInboxMessages = vi.fn(async () => inboxMessages);
diff --git a/test/main/services/team/TeamProvisioningServiceRelay.test.ts b/test/main/services/team/TeamProvisioningServiceRelay.test.ts
index a420ce1e..3919bd64 100644
--- a/test/main/services/team/TeamProvisioningServiceRelay.test.ts
+++ b/test/main/services/team/TeamProvisioningServiceRelay.test.ts
@@ -342,6 +342,47 @@ describe('TeamProvisioningService relayLeadInboxMessages', () => {
     expect(hoisted.files.get(`/mock/teams/${teamName}/sentMessages.json`)).toBeUndefined();
   });
 
+  it('preserves visible summary text after stripping an echoed lead relay prompt', async () => {
+    const service = new TeamProvisioningService();
+    const teamName = 'my-team';
+    seedConfig(teamName);
+    seedLeadInbox(teamName, [
+      {
+        from: 'tom',
+        text: '#f8d7235a done.',
+        timestamp: '2026-02-23T10:00:00.000Z',
+        read: false,
+        summary: '#f8d7235a done',
+        messageId: 'm-1',
+      },
+    ]);
+
+    const { writeSpy } = attachAliveRun(service, teamName);
+    const relayPromise = service.relayLeadInboxMessages(teamName);
+    const run = await waitForCapture(service);
+    const payload = JSON.parse(String(writeSpy.mock.calls[0]?.[0] ?? '{}')) as {
+      message?: { content?: Array<{ text?: string }> };
+    };
+    const relayedPrompt = payload.message?.content?.[0]?.text ?? '';
+
+    (service as any).handleStreamJsonMessage(run, {
+      type: 'assistant',
+      content: [{ type: 'text', text: `Human: ${relayedPrompt}\n\nDelegated to bob.` }],
+    });
+    (service as any).handleStreamJsonMessage(run, { type: 'result', subtype: 'success' });
+
+    await expect(relayPromise).resolves.toBe(1);
+    expect(service.getLiveLeadProcessMessages(teamName).map((message) => message.text)).toEqual([
+      'Delegated to bob.',
+    ]);
+    const sentRows = JSON.parse(
+      hoisted.files.get(`/mock/teams/${teamName}/sentMessages.json`) ?? '[]'
+    ) as Array<{
+      text?: string;
+    }>;
+    expect(sentRows.map((message) => message.text)).toEqual(['Delegated to bob.']);
+  });
+
   it('treats member work sync nudges as actionable in lead relay prompt', async () => {
     const service = new TeamProvisioningService();
     const teamName = 'my-team';
diff --git a/test/renderer/utils/bootstrapPromptSanitizer.test.ts b/test/renderer/utils/bootstrapPromptSanitizer.test.ts
index 773b9208..5220eb80 100644
--- a/test/renderer/utils/bootstrapPromptSanitizer.test.ts
+++ b/test/renderer/utils/bootstrapPromptSanitizer.test.ts
@@ -67,16 +67,20 @@ Do NOT send acknowledgement-only messages such as "ready" or "online".`);
   });
 
   it('sanitizes native app-managed bootstrap private control prompts defensively', () => {
-    const message = makeMessage(`<agent_teams_native_app_managed_bootstrap_check>
+    const message = makeMessage(
+      `<agent_teams_native_app_managed_bootstrap_check>
 Your Agent Teams startup context was already loaded by the app.
-</agent_teams_native_app_managed_bootstrap_check>`);
+</agent_teams_native_app_managed_bootstrap_check>`,
+      { source: 'system_notification' }
+    );
 
     expect(getInternalControlMessageDisplay(message)?.summary).toBe('Internal bootstrap check');
     expect(getSanitizedInboxMessageText(message)).toBe('Internal bootstrap check hidden in the UI.');
   });
 
   it('sanitizes leaked lead inbox relay prompts defensively', () => {
-    const message = makeMessage(`Human: You have new inbox messages addressed to you (team lead "team-lead").
+    const message = makeMessage(
+      `Human: You have new inbox messages addressed to you (team lead "team-lead").
 Process them in order (oldest first).
 If action is required, delegate via task creation or SendMessage, and keep responses minimal.
 
@@ -84,9 +88,26 @@ Messages:
 1) From: tom
    Timestamp: 2026-05-06T15:02:54.853Z
    Text:
-   #f8d7235a done.`);
+   #f8d7235a done.`,
+      { source: 'lead_process' }
+    );
 
     expect(getInternalControlMessageDisplay(message)?.summary).toBe('Internal control message');
     expect(getSanitizedInboxMessageText(message)).toBe('Internal control message hidden in the UI.');
   });
+
+  it('does not sanitize user-authored text that quotes an internal prompt', () => {
+    const text = `Human: You have new inbox messages addressed to you (team lead "team-lead").
+Process them in order (oldest first).
+
+Messages:
+1) From: tom
+   Timestamp: 2026-05-06T15:02:54.853Z
+   Text:
+   #f8d7235a done.`;
+    const message = makeMessage(text, { source: 'user_sent' });
+
+    expect(getInternalControlMessageDisplay(message)).toBeNull();
+    expect(getSanitizedInboxMessageText(message)).toBe(text);
+  });
 });
diff --git a/test/renderer/utils/teamMessageFiltering.test.ts b/test/renderer/utils/teamMessageFiltering.test.ts
index b9ec6965..503132b8 100644
--- a/test/renderer/utils/teamMessageFiltering.test.ts
+++ b/test/renderer/utils/teamMessageFiltering.test.ts
@@ -90,6 +90,31 @@ Messages:
     expect(result.map((message) => message.messageId)).toEqual(['visible-message']);
   });
 
+  it('does not hide user-authored text that quotes an internal prompt', () => {
+    const messages = [
+      makeMessage({
+        messageId: 'quoted-control-prompt',
+        source: 'user_sent',
+        text: `Human: You have new inbox messages addressed to you (team lead "team-lead").
+Process them in order (oldest first).
+
+Messages:
+1) From: tom
+   Timestamp: 2026-05-06T15:02:54.853Z
+   Text:
+   #f8d7235a done.`,
+      }),
+    ];
+
+    const result = filterTeamMessages(messages, {
+      timeWindow: null,
+      filter: { from: new Set(), to: new Set(), showNoise: true },
+      searchQuery: '',
+    });
+
+    expect(result.map((message) => message.messageId)).toEqual(['quoted-control-prompt']);
+  });
+
   it('hides Human-prefixed teammate protocol echoes', () => {
     const messages = [
       makeMessage({
diff --git a/test/shared/utils/teamInternalControlMessages.test.ts b/test/shared/utils/teamInternalControlMessages.test.ts
index 29d32737..334ed5f7 100644
--- a/test/shared/utils/teamInternalControlMessages.test.ts
+++ b/test/shared/utils/teamInternalControlMessages.test.ts
@@ -1,9 +1,11 @@
 import { describe, expect, it } from 'vitest';
 
 import {
+  isTeamInternalControlMessageEnvelope,
   isLeadInboxRelayControlPromptText,
   isTeamInternalControlMessageText,
   isTeammateProtocolControlText,
+  stripExactInternalControlEchoPrefix,
 } from '@shared/utils/teamInternalControlMessages';
 
 const leadRelayPrompt = `You have new inbox messages addressed to you (team lead "team-lead").
@@ -39,4 +41,36 @@ describe('teamInternalControlMessages', () => {
     expect(isTeammateProtocolControlText(text)).toBe(true);
     expect(isTeamInternalControlMessageText(text)).toBe(true);
   });
+
+  it('only treats internal-looking text as hidden for internal message sources', () => {
+    expect(
+      isTeamInternalControlMessageEnvelope({
+        source: 'lead_process',
+        text: `Human: ${leadRelayPrompt}`,
+      })
+    ).toBe(true);
+    expect(
+      isTeamInternalControlMessageEnvelope({
+        source: 'user_sent',
+        text: `Human: ${leadRelayPrompt}`,
+      })
+    ).toBe(false);
+    expect(
+      isTeamInternalControlMessageEnvelope({
+        text: `Human: ${leadRelayPrompt}`,
+      })
+    ).toBe(false);
+  });
+
+  it('strips an exact echoed control prefix while preserving visible trailing text', () => {
+    expect(stripExactInternalControlEchoPrefix(`Human: ${leadRelayPrompt}`, leadRelayPrompt)).toBe(
+      ''
+    );
+    expect(
+      stripExactInternalControlEchoPrefix(
+        `Human: ${leadRelayPrompt}\n\nDelegated to bob.`,
+        leadRelayPrompt
+      )
+    ).toBe('Delegated to bob.');
+  });
 });