diff --git a/packages/agent-graph/src/canvas/draw-agents.ts b/packages/agent-graph/src/canvas/draw-agents.ts
index 6ee99403..a14dbcd2 100644
--- a/packages/agent-graph/src/canvas/draw-agents.ts
+++ b/packages/agent-graph/src/canvas/draw-agents.ts
@@ -654,7 +654,7 @@ function drawAvatar(
   isLead: boolean,
   avatarUrl?: string
 ): void {
-  const avatarR = r * 0.6;
+  const avatarR = r * AGENT_DRAW.avatarRadiusScale;
 
   // Try to draw avatar image
   if (avatarUrl) {
diff --git a/packages/agent-graph/src/constants/canvas-constants.ts b/packages/agent-graph/src/constants/canvas-constants.ts
index 30f6363f..90c576a7 100644
--- a/packages/agent-graph/src/constants/canvas-constants.ts
+++ b/packages/agent-graph/src/constants/canvas-constants.ts
@@ -58,9 +58,9 @@ export const FORCE = {
 
 export const NODE = {
   /** Lead agent radius */
-  radiusLead: 32,
+  radiusLead: 38,
   /** Team member radius */
-  radiusMember: 24,
+  radiusMember: 30,
   /** Process node radius */
   radiusProcess: 14,
   /** Cross-team ghost node radius */
@@ -110,6 +110,7 @@ export const AGENT_DRAW = {
   sparkScale: 0.45,
   sparkViewBox: 256,
   subIconScale: 0.45,
+  avatarRadiusScale: 0.74,
 } as const;
 
 // ─── Context ring (lead node only) ─────────────────────────────────────────
diff --git a/src/features/agent-graph/renderer/adapters/TeamGraphAdapter.ts b/src/features/agent-graph/renderer/adapters/TeamGraphAdapter.ts
index a76d369c..eefda424 100644
--- a/src/features/agent-graph/renderer/adapters/TeamGraphAdapter.ts
+++ b/src/features/agent-graph/renderer/adapters/TeamGraphAdapter.ts
@@ -466,8 +466,8 @@ export class TeamGraphAdapter {
       launchStatusLabel: leadLaunchPresentation?.launchStatusLabel ?? undefined,
       contextUsage: percent != null ? Math.max(0, Math.min(1, percent / 100)) : undefined,
       avatarUrl: leadMember
-        ? resolveMemberAvatarUrl(leadMember, avatarMap, 64)
-        : agentAvatarUrl(leadName, 64),
+        ? resolveMemberAvatarUrl(leadMember, avatarMap, 96)
+        : agentAvatarUrl(leadName, 96),
       pendingApproval,
       activeTool: activeTool
         ? {
@@ -567,7 +567,7 @@ export class TeamGraphAdapter {
         launchStatusLabel: isTeamVisualOnline
           ? (launchPresentation.launchStatusLabel ?? undefined)
           : undefined,
-        avatarUrl: resolveMemberAvatarUrl(member, avatarMap, 64),
+        avatarUrl: resolveMemberAvatarUrl(member, avatarMap, 96),
         currentTaskId: member.currentTaskId ?? undefined,
         currentTaskSubject: member.currentTaskId
           ? data.tasks.find((t) => t.id === member.currentTaskId)?.subject
diff --git a/src/main/services/team/TeamProvisioningService.ts b/src/main/services/team/TeamProvisioningService.ts
index 49b368a4..4bf7fae1 100644
--- a/src/main/services/team/TeamProvisioningService.ts
+++ b/src/main/services/team/TeamProvisioningService.ts
@@ -1626,6 +1626,25 @@ function hasOpenCodeRuntimeLivenessMarker(
   );
 }
 
+function hasOpenCodeRuntimeEntryHandle(
+  value:
+    | Pick<TeamAgentRuntimeEntry, 'pid' | 'runtimePid' | 'runtimeSessionId' | 'livenessKind'>
+    | undefined
+    | null
+): boolean {
+  if (!value) {
+    return false;
+  }
+  const pid = typeof value.pid === 'number' && Number.isFinite(value.pid) && value.pid > 0;
+  const runtimePid =
+    typeof value.runtimePid === 'number' &&
+    Number.isFinite(value.runtimePid) &&
+    value.runtimePid > 0;
+  const runtimeSessionId =
+    typeof value.runtimeSessionId === 'string' && value.runtimeSessionId.trim().length > 0;
+  return pid || runtimePid || runtimeSessionId || hasOpenCodeRuntimeLivenessMarker(value);
+}
+
 function isRecoverablePersistedOpenCodeRuntimeCandidate(
   member: PersistedTeamLaunchMemberState | undefined | null
 ): boolean {
@@ -9618,6 +9637,20 @@ export class TeamProvisioningService {
     );
     const existingLane = existingLaneIndex >= 0 ? run.mixedSecondaryLanes[existingLaneIndex] : null;
 
+    if (run.pendingMemberRestarts.has(memberName)) {
+      throw new Error(`Restart for teammate "${memberName}" is already in progress`);
+    }
+    if (existingLane?.state === 'queued' || existingLane?.state === 'launching') {
+      throw new Error(`Restart for teammate "${memberName}" is already in progress`);
+    }
+
+    const hasRuntimeEvidence = await this.hasOpenCodeMemberRuntimeEvidenceForControlledRelaunch({
+      teamName,
+      memberName: memberSpec.name,
+      laneId: nextLane.laneId,
+      existingLane,
+    });
+
     if (existingLane) {
       await this.stopSingleMixedSecondaryRuntimeLane(run, existingLane, 'relaunch');
     }
@@ -9629,7 +9662,10 @@ export class TeamProvisioningService {
     laneState.state = 'queued';
     laneState.result = null;
     laneState.warnings = [];
-    laneState.diagnostics = options?.reason ? [`controlled_reattach:${options.reason}`] : [];
+    laneState.diagnostics = [
+      ...(options?.reason ? [`controlled_reattach:${options.reason}`] : []),
+      ...(!hasRuntimeEvidence ? ['fresh_relaunch:no_runtime_evidence'] : []),
+    ];
 
     if (existingLaneIndex >= 0) {
       run.mixedSecondaryLanes[existingLaneIndex] = laneState;
@@ -9647,6 +9683,45 @@ export class TeamProvisioningService {
     await this.launchSingleMixedSecondaryLane(run, laneState);
   }
 
+  private async hasOpenCodeMemberRuntimeEvidenceForControlledRelaunch(params: {
+    teamName: string;
+    memberName: string;
+    laneId: string;
+    existingLane: MixedSecondaryRuntimeLaneState | null;
+  }): Promise<boolean> {
+    const laneResultMember =
+      params.existingLane?.result?.members[params.memberName] ??
+      Object.values(params.existingLane?.result?.members ?? {}).find(
+        (member) => member.memberName?.trim() === params.memberName
+      );
+    if (hasOpenCodeRuntimeHandle(laneResultMember)) {
+      return true;
+    }
+
+    const persistedSnapshot = await this.launchStateStore.read(params.teamName).catch(() => null);
+    const persistedMember =
+      persistedSnapshot?.members[params.memberName] ??
+      Object.values(persistedSnapshot?.members ?? {}).find(
+        (member) => member.laneId === params.laneId
+      );
+    if (
+      hasOpenCodeRuntimeHandle(persistedMember) ||
+      hasOpenCodeRuntimeLivenessMarker(persistedMember)
+    ) {
+      return true;
+    }
+
+    const liveRuntimeByMember = await this.getLiveTeamAgentRuntimeMetadata(params.teamName).catch(
+      () => new Map<string, TeamAgentRuntimeEntry>()
+    );
+    const liveRuntimeMember =
+      liveRuntimeByMember.get(params.memberName) ??
+      [...liveRuntimeByMember.entries()].find(([candidateName]) =>
+        matchesObservedMemberNameForExpected(candidateName, params.memberName)
+      )?.[1];
+    return hasOpenCodeRuntimeEntryHandle(liveRuntimeMember);
+  }
+
   async detachOpenCodeOwnedMemberLane(teamName: string, memberName: string): Promise<void> {
     const run = this.getMutableAliveRunOrThrow(teamName);
     const laneIndex = run.mixedSecondaryLanes.findIndex((lane) =>
@@ -16512,6 +16587,7 @@ export class TeamProvisioningService {
     run: ProvisioningRun,
     lane: MixedSecondaryRuntimeLaneState
   ): Promise<void> {
+    const requestedDiagnostics = [...lane.diagnostics];
     const adapter = this.getOpenCodeRuntimeAdapter();
     if (!adapter) {
       const message = 'OpenCode runtime adapter is not registered for mixed team launch.';
@@ -16535,10 +16611,10 @@ export class TeamProvisioningService {
           },
         },
         warnings: [],
-        diagnostics: [message],
+        diagnostics: [...requestedDiagnostics, message],
       };
       lane.warnings = [];
-      lane.diagnostics = [message];
+      lane.diagnostics = [...requestedDiagnostics, message];
       await this.publishMixedSecondaryLaneStatusChange(run, lane);
       lane.state = 'finished';
       return;
@@ -16560,7 +16636,7 @@ export class TeamProvisioningService {
     lane.state = 'launching';
     lane.runId = lane.runId ?? randomUUID();
     lane.warnings = [];
-    lane.diagnostics = [...migration.diagnostics];
+    lane.diagnostics = [...requestedDiagnostics, ...migration.diagnostics];
     const laneCwd = lane.member.cwd?.trim() || run.request.cwd;
     this.setSecondaryRuntimeRun({
       teamName: run.teamName,
@@ -16610,10 +16686,11 @@ export class TeamProvisioningService {
       }
       lane.result = result;
       lane.warnings = [...result.warnings];
-      lane.diagnostics = [...migration.diagnostics, ...result.diagnostics];
+      lane.diagnostics = [...requestedDiagnostics, ...migration.diagnostics, ...result.diagnostics];
 
       if (isDefinitiveOpenCodePreLaunchFailure(result, lane.member.name)) {
         const diagnostics = [
+          ...requestedDiagnostics,
           ...migration.diagnostics,
           ...collectRuntimeLaunchFailureDiagnostics(result, lane.member.name),
         ];
@@ -16656,7 +16733,7 @@ export class TeamProvisioningService {
         diagnostics: [message],
       };
       lane.warnings = [];
-      lane.diagnostics = [...migration.diagnostics, message];
+      lane.diagnostics = [...requestedDiagnostics, ...migration.diagnostics, message];
       await upsertOpenCodeRuntimeLaneIndexEntry({
         teamsBasePath: getTeamsBasePath(),
         teamName: run.teamName,
diff --git a/src/renderer/assets/participant-avatars/01.png b/src/renderer/assets/participant-avatars/01.png
index 4128d3b0..df776c6a 100644
Binary files a/src/renderer/assets/participant-avatars/01.png and b/src/renderer/assets/participant-avatars/01.png differ
diff --git a/src/renderer/assets/participant-avatars/02.png b/src/renderer/assets/participant-avatars/02.png
index 15575859..a4478433 100644
Binary files a/src/renderer/assets/participant-avatars/02.png and b/src/renderer/assets/participant-avatars/02.png differ
diff --git a/src/renderer/assets/participant-avatars/03.png b/src/renderer/assets/participant-avatars/03.png
index a5e00bcd..aa5c49b9 100644
Binary files a/src/renderer/assets/participant-avatars/03.png and b/src/renderer/assets/participant-avatars/03.png differ
diff --git a/src/renderer/assets/participant-avatars/04.png b/src/renderer/assets/participant-avatars/04.png
index f984db69..e174d49c 100644
Binary files a/src/renderer/assets/participant-avatars/04.png and b/src/renderer/assets/participant-avatars/04.png differ
diff --git a/src/renderer/assets/participant-avatars/05.png b/src/renderer/assets/participant-avatars/05.png
index a9795962..36db6099 100644
Binary files a/src/renderer/assets/participant-avatars/05.png and b/src/renderer/assets/participant-avatars/05.png differ
diff --git a/src/renderer/assets/participant-avatars/06.png b/src/renderer/assets/participant-avatars/06.png
index 71950d32..77664676 100644
Binary files a/src/renderer/assets/participant-avatars/06.png and b/src/renderer/assets/participant-avatars/06.png differ
diff --git a/src/renderer/assets/participant-avatars/07.png b/src/renderer/assets/participant-avatars/07.png
index 8f23fb86..e375112c 100644
Binary files a/src/renderer/assets/participant-avatars/07.png and b/src/renderer/assets/participant-avatars/07.png differ
diff --git a/src/renderer/assets/participant-avatars/08.png b/src/renderer/assets/participant-avatars/08.png
index c7ada81e..42c137a9 100644
Binary files a/src/renderer/assets/participant-avatars/08.png and b/src/renderer/assets/participant-avatars/08.png differ
diff --git a/src/renderer/assets/participant-avatars/09.png b/src/renderer/assets/participant-avatars/09.png
index 8f4abe98..3c50cee5 100644
Binary files a/src/renderer/assets/participant-avatars/09.png and b/src/renderer/assets/participant-avatars/09.png differ
diff --git a/src/renderer/assets/participant-avatars/10.png b/src/renderer/assets/participant-avatars/10.png
index bee2490e..9e433a6c 100644
Binary files a/src/renderer/assets/participant-avatars/10.png and b/src/renderer/assets/participant-avatars/10.png differ
diff --git a/src/renderer/assets/participant-avatars/11.png b/src/renderer/assets/participant-avatars/11.png
index e77da7e4..88d9e562 100644
Binary files a/src/renderer/assets/participant-avatars/11.png and b/src/renderer/assets/participant-avatars/11.png differ
diff --git a/src/renderer/assets/participant-avatars/12.png b/src/renderer/assets/participant-avatars/12.png
index 32ee4912..80055539 100644
Binary files a/src/renderer/assets/participant-avatars/12.png and b/src/renderer/assets/participant-avatars/12.png differ
diff --git a/src/renderer/assets/participant-avatars/13.png b/src/renderer/assets/participant-avatars/13.png
index 9b774e24..1a4f6174 100644
Binary files a/src/renderer/assets/participant-avatars/13.png and b/src/renderer/assets/participant-avatars/13.png differ
diff --git a/src/renderer/components/team/members/MemberDetailDialog.tsx b/src/renderer/components/team/members/MemberDetailDialog.tsx
index 4eaea9d7..3828f04c 100644
--- a/src/renderer/components/team/members/MemberDetailDialog.tsx
+++ b/src/renderer/components/team/members/MemberDetailDialog.tsx
@@ -46,6 +46,37 @@ import type {
   TeamTaskWithKanban,
 } from '@shared/types';
 
+const OPENCODE_NO_RUNTIME_EVIDENCE_MESSAGE =
+  'No OpenCode runtime session was recorded. Relaunch this teammate to start a fresh OpenCode session.';
+
+function hasOpenCodeRuntimeEvidence(runtimeEntry: TeamAgentRuntimeEntry | undefined): boolean {
+  const hasPid =
+    typeof runtimeEntry?.pid === 'number' &&
+    Number.isFinite(runtimeEntry.pid) &&
+    runtimeEntry.pid > 0;
+  const hasRuntimePid =
+    typeof runtimeEntry?.runtimePid === 'number' &&
+    Number.isFinite(runtimeEntry.runtimePid) &&
+    runtimeEntry.runtimePid > 0;
+  const hasRuntimeSessionId =
+    typeof runtimeEntry?.runtimeSessionId === 'string' &&
+    runtimeEntry.runtimeSessionId.trim().length > 0;
+  const hasRuntimeLiveness =
+    runtimeEntry?.livenessKind === 'runtime_process' ||
+    runtimeEntry?.livenessKind === 'runtime_process_candidate' ||
+    runtimeEntry?.livenessKind === 'permission_blocked';
+  return Boolean(hasPid || hasRuntimePid || hasRuntimeSessionId || hasRuntimeLiveness);
+}
+
+function isOpenCodeNoRuntimeEvidenceFailure(
+  member: ResolvedTeamMember,
+  spawnEntry: MemberSpawnStatusEntry | undefined,
+  runtimeEntry: TeamAgentRuntimeEntry | undefined
+): boolean {
+  const failed = spawnEntry?.launchState === 'failed_to_start' || spawnEntry?.status === 'error';
+  return member.providerId === 'opencode' && failed && !hasOpenCodeRuntimeEvidence(runtimeEntry);
+}
+
 interface MemberDetailDialogProps {
   open: boolean;
   member: ResolvedTeamMember | null;
@@ -165,6 +196,13 @@ export const MemberDetailDialog = ({
   const launchErrorMessage = launchDiagnosticsPayload
     ? getMemberLaunchDiagnosticsErrorMessage(launchDiagnosticsPayload)
     : undefined;
+  const openCodeNoRuntimeEvidence = member
+    ? isOpenCodeNoRuntimeEvidenceFailure(member, spawnEntry, runtimeEntry)
+    : false;
+  const effectiveLaunchErrorMessage = openCodeNoRuntimeEvidence
+    ? OPENCODE_NO_RUNTIME_EVIDENCE_MESSAGE
+    : launchErrorMessage;
+  const restartButtonLabel = openCodeNoRuntimeEvidence ? 'Relaunch OpenCode' : 'Restart';
 
   useEffect(() => {
     if (!open || !member) {
@@ -284,10 +322,10 @@ export const MemberDetailDialog = ({
         <DialogFooter>
           {restartError ? (
             <div className="mr-auto text-xs text-red-400">{restartError}</div>
-          ) : launchErrorMessage ? (
+          ) : effectiveLaunchErrorMessage ? (
             <div className="mr-auto flex min-w-0 items-center gap-2 text-xs text-red-400">
-              <span className="min-w-0 truncate" title={launchErrorMessage}>
-                {launchErrorMessage}
+              <span className="min-w-0 truncate" title={effectiveLaunchErrorMessage}>
+                {effectiveLaunchErrorMessage}
               </span>
               {launchDiagnosticsPayload && showCopyDiagnostics ? (
                 <MemberLaunchDiagnosticsButton
@@ -339,7 +377,7 @@ export const MemberDetailDialog = ({
                     ) : (
                       <RotateCcw size={14} />
                     )}
-                    Restart
+                    {restartButtonLabel}
                   </Button>
                 )}
               <Button variant="outline" size="sm" className="gap-1.5" onClick={onSendMessage}>
diff --git a/test/main/services/team/TeamAgentLaunchMatrix.safe-e2e.test.ts b/test/main/services/team/TeamAgentLaunchMatrix.safe-e2e.test.ts
index ee913d69..c3f52c90 100644
--- a/test/main/services/team/TeamAgentLaunchMatrix.safe-e2e.test.ts
+++ b/test/main/services/team/TeamAgentLaunchMatrix.safe-e2e.test.ts
@@ -14276,6 +14276,87 @@ describe('Team agent launch matrix safe e2e', () => {
     });
   });
 
+  it('fresh relaunches a failed mixed OpenCode teammate without runtime evidence', async () => {
+    const teamName = 'mixed-opencode-fresh-relaunch-no-runtime-evidence-safe-e2e';
+    await writeMixedTeamConfig({ teamName, projectPath });
+    await writeTeamMeta(teamName, projectPath);
+    await writeMembersMeta(teamName);
+    const adapter = new FakeOpenCodeRuntimeAdapter('clean_success', {
+      bob: 'confirmed',
+      tom: 'confirmed',
+    });
+    const svc = new TeamProvisioningService();
+    svc.setRuntimeAdapterRegistry(new TeamRuntimeAdapterRegistry([adapter]));
+    const run = createMixedLiveRun({ teamName, projectPath });
+    run.mixedSecondaryLanes = run.mixedSecondaryLanes.filter(
+      (lane: { member: { name: string } }) => lane.member.name !== 'bob'
+    );
+    run.memberSpawnStatuses.set('bob', {
+      status: 'error',
+      launchState: 'failed_to_start',
+      runtimeAlive: false,
+      bootstrapConfirmed: false,
+      hardFailure: true,
+      hardFailureReason: 'File lock timeout: lanes.json',
+      error: 'File lock timeout: lanes.json',
+      agentToolAccepted: false,
+      updatedAt: '2026-04-24T12:00:00.000Z',
+    } as never);
+    trackLiveRun(svc, run);
+
+    await svc.restartMember(teamName, 'bob');
+
+    await waitForCondition(() => adapter.launchInputs.length === 1);
+    expect(adapter.stopInputs).toHaveLength(0);
+    expect(adapter.launchInputs[0]).toMatchObject({
+      teamName,
+      laneId: 'secondary:opencode:bob',
+      expectedMembers: [expect.objectContaining({ name: 'bob', providerId: 'opencode' })],
+    });
+    const bobLane = run.mixedSecondaryLanes.find(
+      (lane: { member: { name: string } }) => lane.member.name === 'bob'
+    );
+    expect(bobLane).toMatchObject({
+      laneId: 'secondary:opencode:bob',
+      diagnostics: expect.arrayContaining([
+        'controlled_reattach:manual_restart',
+        'fresh_relaunch:no_runtime_evidence',
+      ]),
+    });
+    const statuses = await svc.getMemberSpawnStatuses(teamName);
+    expect(statuses.statuses.bob).toMatchObject({
+      status: 'online',
+      launchState: 'confirmed_alive',
+      hardFailure: false,
+    });
+  });
+
+  it('rejects duplicate fresh relaunch while a mixed OpenCode lane is queued', async () => {
+    const teamName = 'mixed-opencode-fresh-relaunch-queued-reject-safe-e2e';
+    await writeMixedTeamConfig({ teamName, projectPath });
+    await writeTeamMeta(teamName, projectPath);
+    await writeMembersMeta(teamName);
+    const adapter = new FakeOpenCodeRuntimeAdapter();
+    const svc = new TeamProvisioningService();
+    svc.setRuntimeAdapterRegistry(new TeamRuntimeAdapterRegistry([adapter]));
+    const run = createMixedLiveRun({ teamName, projectPath });
+    trackLiveRun(svc, run);
+
+    await expect(svc.restartMember(teamName, 'bob')).rejects.toThrow(
+      'Restart for teammate "bob" is already in progress'
+    );
+
+    expect(adapter.launchInputs).toHaveLength(0);
+    expect(adapter.stopInputs).toHaveLength(0);
+    expect(
+      run.mixedSecondaryLanes.find(
+        (lane: { member: { name: string } }) => lane.member.name === 'bob'
+      )
+    ).toMatchObject({
+      state: 'queued',
+    });
+  });
+
   it('reattaches an existing mixed OpenCode teammate after member update without changing siblings', async () => {
     const teamName = 'mixed-opencode-update-member-reattach-safe-e2e';
     await writeMixedTeamConfig({ teamName, projectPath });
diff --git a/test/renderer/components/team/members/MemberDetailDialog.test.ts b/test/renderer/components/team/members/MemberDetailDialog.test.ts
index 21241edf..ff4b0be1 100644
--- a/test/renderer/components/team/members/MemberDetailDialog.test.ts
+++ b/test/renderer/components/team/members/MemberDetailDialog.test.ts
@@ -336,4 +336,80 @@ describe('MemberDetailDialog activity count', () => {
       await Promise.resolve();
     });
   });
+
+  it('shows Relaunch OpenCode copy for failed OpenCode teammates without runtime evidence', async () => {
+    const member: ResolvedTeamMember = {
+      name: 'jack',
+      status: 'active',
+      currentTaskId: null,
+      taskCount: 0,
+      lastActiveAt: null,
+      messageCount: 0,
+      providerId: 'opencode',
+    };
+    const onRestartMember = vi.fn(async () => undefined);
+    const host = document.createElement('div');
+    document.body.appendChild(host);
+    const root = createRoot(host);
+
+    await act(async () => {
+      root.render(
+        React.createElement(MemberDetailDialog, {
+          open: true,
+          member,
+          teamName: 'demo-team',
+          members: [member],
+          tasks: [],
+          isTeamAlive: true,
+          spawnEntry: {
+            status: 'error',
+            launchState: 'failed_to_start',
+            runtimeAlive: false,
+            bootstrapConfirmed: false,
+            hardFailure: true,
+            hardFailureReason: 'File lock timeout: lanes.json',
+            agentToolAccepted: false,
+            livenessKind: 'registered_only',
+            updatedAt: '2026-04-24T12:00:00.000Z',
+          },
+          runtimeEntry: {
+            memberName: 'jack',
+            alive: false,
+            restartable: true,
+            providerId: 'opencode',
+            livenessKind: 'registered_only',
+            runtimeDiagnostic: 'registered runtime metadata without live process',
+            runtimeDiagnosticSeverity: 'warning',
+            updatedAt: '2026-04-24T12:00:01.000Z',
+          },
+          onClose: () => undefined,
+          onSendMessage: () => undefined,
+          onAssignTask: () => undefined,
+          onTaskClick: () => undefined,
+          onRestartMember,
+        })
+      );
+      await Promise.resolve();
+    });
+
+    expect(host.textContent).toContain(
+      'No OpenCode runtime session was recorded. Relaunch this teammate to start a fresh OpenCode session.'
+    );
+    const relaunchButton = Array.from(host.querySelectorAll('button')).find((button) =>
+      button.textContent?.includes('Relaunch OpenCode')
+    );
+    expect(relaunchButton).not.toBeUndefined();
+
+    await act(async () => {
+      relaunchButton?.click();
+      await Promise.resolve();
+    });
+
+    expect(onRestartMember).toHaveBeenCalledWith('jack');
+
+    await act(async () => {
+      root.unmount();
+      await Promise.resolve();
+    });
+  });
 });