fix(team): keep launch failure copy without live details

src/renderer/utils/teamProvisioningPresentation.ts

@@ -108,6 +108,19 @@ function buildFailedSpawnCompactDetail(
   return `${failedSpawnDetails.length} teammates failed to start`;
 }
 
+function buildGenericFailedSpawnPanelMessage(
+  failedSpawnCount: number,
+  expectedTeammateCount: number
+): string | null {
+  if (failedSpawnCount <= 0) {
+    return null;
+  }
+  if (failedSpawnCount === 1) {
+    return '1 teammate failed to start';
+  }
+  return `${failedSpawnCount}/${Math.max(expectedTeammateCount, failedSpawnCount)} teammates failed to start`;
+}
+
 export interface TeamProvisioningPresentation {
   progress: TeamProvisioningProgress;
   isActive: boolean;
@@ -184,6 +197,10 @@ export function buildTeamProvisioningPresentation({
   const failedSpawnDetails = getFailedSpawnDetails(memberSpawnStatuses);
   const failedSpawnPanelMessage = buildFailedSpawnPanelMessage(failedSpawnDetails);
   const failedSpawnCompactDetail = buildFailedSpawnCompactDetail(failedSpawnDetails);
+  const genericFailedSpawnPanelMessage = buildGenericFailedSpawnPanelMessage(
+    failedSpawnCount,
+    expectedTeammateCount
+  );
 
   const { allTeammatesConfirmedAlive, hasMembersStillJoining, remainingJoinCount } =
     getLaunchJoinState({
@@ -220,7 +237,7 @@ export function buildTeamProvisioningPresentation({
       hasMembersStillJoining,
       remainingJoinCount,
       panelTitle: 'Launch failed',
-      panelMessage: progress.error ?? failedSpawnPanelMessage ?? null,
+      panelMessage: progress.error ?? failedSpawnPanelMessage ?? genericFailedSpawnPanelMessage,
       panelTone: 'error',
       defaultLiveOutputOpen: true,
       compactTitle: 'Launch failed',
@@ -245,7 +262,7 @@ export function buildTeamProvisioningPresentation({
             : `All ${expectedTeammateCount} teammates joined`;
     const readyDetailMessage =
       failedSpawnCount > 0
-        ? (failedSpawnPanelMessage ?? progress.message)
+        ? (failedSpawnPanelMessage ?? genericFailedSpawnPanelMessage ?? progress.message)
         : expectedTeammateCount === 0
           ? 'Team provisioned - lead online'
           : allTeammatesConfirmedAlive
@@ -316,7 +333,9 @@ export function buildTeamProvisioningPresentation({
       remainingJoinCount,
       panelTitle: 'Launching team',
       panelMessage:
-        failedSpawnCount > 0 ? (failedSpawnPanelMessage ?? progress.message) : progress.message,
+        failedSpawnCount > 0
+          ? (failedSpawnPanelMessage ?? genericFailedSpawnPanelMessage ?? progress.message)
+          : progress.message,
       panelMessageSeverity: failedSpawnCount > 0 ? 'warning' : progress.messageSeverity,
       defaultLiveOutputOpen: false,
       compactTitle: 'Launching team',

test/renderer/utils/teamProvisioningPresentation.test.ts

@@ -155,6 +155,57 @@ describe('buildTeamProvisioningPresentation', () => {
     expect(presentation?.compactDetail).toBe('jack failed to start');
   });
 
+  it('keeps a generic failed teammate message when only persisted failure counts remain', () => {
+    const presentation = buildTeamProvisioningPresentation({
+      progress: {
+        runId: 'run-3b',
+        teamName: 'codex-team',
+        state: 'ready',
+        startedAt: '2026-04-13T10:00:00.000Z',
+        updatedAt: '2026-04-13T10:00:08.000Z',
+        message: 'Launch completed',
+        messageSeverity: undefined,
+        pid: 4321,
+        cliLogsTail: '',
+        assistantOutput: '',
+      },
+      members: [
+        {
+          name: 'team-lead',
+          agentType: 'team-lead',
+          status: 'active',
+          currentTaskId: null,
+          taskCount: 0,
+          lastActiveAt: null,
+          messageCount: 0,
+        },
+        {
+          name: 'jack',
+          agentType: 'engineer',
+          status: 'unknown',
+          currentTaskId: null,
+          taskCount: 0,
+          lastActiveAt: null,
+          messageCount: 0,
+        },
+      ],
+      memberSpawnStatuses: {},
+      memberSpawnSnapshot: {
+        expectedMembers: ['jack'],
+        summary: {
+          confirmedCount: 0,
+          pendingCount: 0,
+          failedCount: 1,
+          runtimeAlivePendingCount: 0,
+        },
+      },
+    });
+
+    expect(presentation?.successMessage).toBe('Launch finished with errors - 1/1 teammates failed to start');
+    expect(presentation?.panelMessage).toBe('1 teammate failed to start');
+    expect(presentation?.compactDetail).toBe('1 teammate failed to start');
+  });
+
   it('prefers live member spawn statuses over a stale persisted launch summary', () => {
     const presentation = buildTeamProvisioningPresentation({
       progress: {
@@ -218,6 +269,57 @@ describe('buildTeamProvisioningPresentation', () => {
     expect(presentation?.panelMessage).toBe('1 teammate still joining');
   });
 
+  it('keeps a generic failed teammate message while launch is still active if only persisted failure counts remain', () => {
+    const presentation = buildTeamProvisioningPresentation({
+      progress: {
+        runId: 'run-4b',
+        teamName: 'codex-team',
+        state: 'assembling',
+        startedAt: '2026-04-13T10:00:00.000Z',
+        updatedAt: '2026-04-13T10:00:05.000Z',
+        message: 'Finalizing launch...',
+        messageSeverity: undefined,
+        pid: 4321,
+        cliLogsTail: '',
+        assistantOutput: '',
+      },
+      members: [
+        {
+          name: 'team-lead',
+          agentType: 'team-lead',
+          status: 'active',
+          currentTaskId: null,
+          taskCount: 0,
+          lastActiveAt: null,
+          messageCount: 0,
+        },
+        {
+          name: 'jack',
+          agentType: 'engineer',
+          status: 'unknown',
+          currentTaskId: null,
+          taskCount: 0,
+          lastActiveAt: null,
+          messageCount: 0,
+        },
+      ],
+      memberSpawnStatuses: {},
+      memberSpawnSnapshot: {
+        expectedMembers: ['jack'],
+        summary: {
+          confirmedCount: 0,
+          pendingCount: 0,
+          failedCount: 1,
+          runtimeAlivePendingCount: 0,
+        },
+      },
+    });
+
+    expect(presentation?.panelMessage).toBe('1 teammate failed to start');
+    expect(presentation?.compactDetail).toBe('1 teammate failed to start');
+    expect(presentation?.compactTone).toBe('warning');
+  });
+
   it('prefers live confirmed teammates over a stale persisted launch summary', () => {
     const presentation = buildTeamProvisioningPresentation({
       progress: {