diff --git a/ui/src/pages/Admin/OidcConfigPage.module.css b/ui/src/pages/Admin/OidcConfigPage.module.css
new file mode 100644
index 00000000..8fe86e98
--- /dev/null
+++ b/ui/src/pages/Admin/OidcConfigPage.module.css
@@ -0,0 +1,28 @@
+.section {
+  display: grid;
+  gap: 0.5rem;
+}
+
+.section h3 {
+  font-size: 0.875rem;
+  font-weight: 600;
+  margin: 0;
+}
+
+.tagRow {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 0.5rem;
+  min-height: 2rem;
+  align-items: center;
+}
+
+.addRow {
+  display: flex;
+  gap: 0.5rem;
+  align-items: center;
+}
+
+.addRow input {
+  flex: 1;
+}
diff --git a/ui/src/pages/Admin/OidcConfigPage.tsx b/ui/src/pages/Admin/OidcConfigPage.tsx
index 70b57d67..7cc8cfb5 100644
--- a/ui/src/pages/Admin/OidcConfigPage.tsx
+++ b/ui/src/pages/Admin/OidcConfigPage.tsx
@@ -1,6 +1,7 @@
 import { useEffect, useState } from 'react';
-import { Button, Input, Toggle, FormField, Card, Alert, SectionHeader } from '@cameleer/design-system';
+import { Button, Input, Toggle, FormField, Card, Alert, SectionHeader, Tag, ConfirmDialog } from '@cameleer/design-system';
 import { adminFetch } from '../../api/queries/admin/admin-api';
+import styles from './OidcConfigPage.module.css';
 
 interface OidcConfig {
   enabled: boolean;
@@ -18,6 +19,8 @@ export default function OidcConfigPage() {
   const [saving, setSaving] = useState(false);
   const [error, setError] = useState<string | null>(null);
   const [success, setSuccess] = useState(false);
+  const [newRole, setNewRole] = useState('');
+  const [deleteOpen, setDeleteOpen] = useState(false);
 
   useEffect(() => {
     adminFetch<OidcConfig>('/oidc')
@@ -64,15 +67,44 @@ export default function OidcConfigPage() {
           <FormField label="Display Name Claim"><Input value={config.displayNameClaim} onChange={(e) => setConfig({ ...config, displayNameClaim: e.target.value })} /></FormField>
           <Toggle checked={config.autoSignup} onChange={(e) => setConfig({ ...config, autoSignup: e.target.checked })} label="Auto Signup" />
 
+          <div className={styles.section}>
+            <h3>Default Roles</h3>
+            <div className={styles.tagRow}>
+              {(config.defaultRoles || []).map(role => (
+                <Tag key={role} label={role} onRemove={() => {
+                  setConfig(prev => ({ ...prev!, defaultRoles: prev!.defaultRoles.filter(r => r !== role) }));
+                }} />
+              ))}
+            </div>
+            <div className={styles.addRow}>
+              <Input placeholder="Add role..." value={newRole} onChange={e => setNewRole(e.target.value)} />
+              <Button onClick={() => {
+                if (newRole.trim() && !config.defaultRoles?.includes(newRole.trim())) {
+                  setConfig(prev => ({ ...prev!, defaultRoles: [...(prev!.defaultRoles || []), newRole.trim()] }));
+                  setNewRole('');
+                }
+              }}>Add</Button>
+            </div>
+          </div>
+
           <div style={{ display: 'flex', gap: '0.75rem' }}>
             <Button variant="primary" onClick={handleSave} disabled={saving}>{saving ? 'Saving...' : 'Save'}</Button>
-            <Button variant="danger" onClick={handleDelete}>Remove Config</Button>
+            <Button variant="danger" onClick={() => setDeleteOpen(true)}>Delete Configuration</Button>
           </div>
 
           {error && <Alert variant="error">{error}</Alert>}
           {success && <Alert variant="success">Configuration saved</Alert>}
         </div>
       </Card>
+
+      <ConfirmDialog
+        open={deleteOpen}
+        onClose={() => setDeleteOpen(false)}
+        onConfirm={handleDelete}
+        title="Delete OIDC Configuration"
+        message="Delete OIDC configuration? All OIDC users will lose access."
+        confirmText="DELETE"
+      />
     </div>
   );
 }
diff --git a/ui/src/pages/AgentHealth/AgentHealth.module.css b/ui/src/pages/AgentHealth/AgentHealth.module.css
index 814e1c2c..4c6cc04e 100644
--- a/ui/src/pages/AgentHealth/AgentHealth.module.css
+++ b/ui/src/pages/AgentHealth/AgentHealth.module.css
@@ -1,10 +1,17 @@
 .statStrip {
   display: grid;
-  grid-template-columns: repeat(4, 1fr);
+  grid-template-columns: repeat(5, 1fr);
   gap: 10px;
   margin-bottom: 16px;
 }
 
+.scopeTrail {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  margin-bottom: 16px;
+}
+
 .groupGrid {
   display: grid;
   grid-template-columns: 1fr 1fr;
@@ -36,11 +43,22 @@
   color: var(--text-primary);
 }
 
-.instanceTps {
-  margin-left: auto;
+.instanceMeta {
   font-size: 11px;
-  font-family: var(--font-mono);
   color: var(--text-muted);
+  font-family: var(--font-mono);
+}
+
+.instanceLink {
+  color: var(--text-muted);
+  text-decoration: none;
+  font-size: 14px;
+  padding: 4px;
+  margin-left: auto;
+}
+
+.instanceLink:hover {
+  color: var(--text-primary);
 }
 
 .eventCard {
diff --git a/ui/src/pages/AgentHealth/AgentHealth.tsx b/ui/src/pages/AgentHealth/AgentHealth.tsx
index f3a30f66..341170c6 100644
--- a/ui/src/pages/AgentHealth/AgentHealth.tsx
+++ b/ui/src/pages/AgentHealth/AgentHealth.tsx
@@ -1,13 +1,34 @@
-import { useMemo } from 'react';
+import { useMemo, useState } from 'react';
 import { useParams, useNavigate } from 'react-router';
 import {
   StatCard, StatusDot, Badge, MonoText,
-  GroupCard, EventFeed,
+  GroupCard, EventFeed, Breadcrumb, Alert,
 } from '@cameleer/design-system';
 import styles from './AgentHealth.module.css';
 import { useAgents, useAgentEvents } from '../../api/queries/agents';
 import { useRouteCatalog } from '../../api/queries/catalog';
 
+function formatUptime(seconds?: number): string {
+  if (!seconds) return '—';
+  const days = Math.floor(seconds / 86400);
+  const hours = Math.floor((seconds % 86400) / 3600);
+  const mins = Math.floor((seconds % 3600) / 60);
+  if (days > 0) return `${days}d ${hours}h`;
+  if (hours > 0) return `${hours}h ${mins}m`;
+  return `${mins}m`;
+}
+
+function formatRelativeTime(iso?: string): string {
+  if (!iso) return '—';
+  const diff = Date.now() - new Date(iso).getTime();
+  const mins = Math.floor(diff / 60000);
+  if (mins < 1) return 'just now';
+  if (mins < 60) return `${mins}m ago`;
+  const hours = Math.floor(mins / 60);
+  if (hours < 24) return `${hours}h ago`;
+  return `${Math.floor(hours / 24)}d ago`;
+}
+
 export default function AgentHealth() {
   const { appId } = useParams();
   const navigate = useNavigate();
@@ -15,6 +36,8 @@ export default function AgentHealth() {
   const { data: catalog } = useRouteCatalog();
   const { data: events } = useAgentEvents(appId);
 
+  const [selectedAgent, setSelectedAgent] = useState<any>(null);
+
   const agentsByApp = useMemo(() => {
     const map: Record<string, any[]> = {};
     (agents || []).forEach((a: any) => {
@@ -25,10 +48,30 @@ export default function AgentHealth() {
     return map;
   }, [agents]);
 
-  const totalAgents = agents?.length ?? 0;
   const liveCount = (agents || []).filter((a: any) => a.status === 'LIVE').length;
   const staleCount = (agents || []).filter((a: any) => a.status === 'STALE').length;
   const deadCount = (agents || []).filter((a: any) => a.status === 'DEAD').length;
+  const uniqueApps = new Set((agents || []).map((a: any) => a.group)).size;
+  const activeRoutes = (agents || []).filter((a: any) => a.status === 'LIVE').reduce((sum: number, a: any) => sum + (a.activeRoutes || 0), 0);
+  const totalTps = (agents || []).filter((a: any) => a.status === 'LIVE').reduce((sum: number, a: any) => sum + (a.tps || 0), 0);
+
+  const groupHealth: 'live' | 'stale' | 'dead' = useMemo(() => {
+    if (!appId) return 'live';
+    const groupAgents = agentsByApp[appId] || [];
+    if (groupAgents.some((a: any) => a.status === 'DEAD')) return 'dead';
+    if (groupAgents.some((a: any) => a.status === 'STALE')) return 'stale';
+    return 'live';
+  }, [appId, agentsByApp]);
+
+  const scopeItems = useMemo(() => {
+    const items: { label: string; href?: string }[] = [
+      { label: 'Agent Health', href: '/agents' },
+    ];
+    if (appId) {
+      items.push({ label: appId });
+    }
+    return items;
+  }, [appId]);
 
   const feedEvents = useMemo(() =>
     (events || []).map((e: any) => ({
@@ -48,39 +91,67 @@ export default function AgentHealth() {
   return (
     <div>
       <div className={styles.statStrip}>
-        <StatCard label="Total Agents" value={totalAgents} />
-        <StatCard label="Live" value={liveCount} accent="success" />
-        <StatCard label="Stale" value={staleCount} accent="warning" />
-        <StatCard label="Dead" value={deadCount} accent="error" />
+        <StatCard label="Total Agents" value={(agents || []).length} detail={`${liveCount} live / ${staleCount} stale / ${deadCount} dead`} />
+        <StatCard label="Applications" value={uniqueApps} />
+        <StatCard label="Active Routes" value={activeRoutes} />
+        <StatCard label="Total TPS" value={totalTps.toFixed(1)} />
+        <StatCard label="Dead" value={deadCount} accent={deadCount > 0 ? 'error' : undefined} />
+      </div>
+
+      <div className={styles.scopeTrail}>
+        <Breadcrumb items={scopeItems} />
+        {!appId && <Badge label={`${liveCount} live`} variant="outlined" />}
+        {appId && (
+          <Badge
+            label={groupHealth}
+            color={groupHealth === 'live' ? 'success' : groupHealth === 'stale' ? 'warning' : 'error'}
+          />
+        )}
       </div>
 
       <div className={styles.groupGrid}>
-        {Object.entries(apps).map(([group, groupAgents]) => (
-          <GroupCard
-            key={group}
-            title={group}
-            headerRight={<Badge label={`${groupAgents?.length ?? 0} instances`} />}
-            accent={
-              groupAgents?.some((a: any) => a.status === 'DEAD') ? 'error'
-                : groupAgents?.some((a: any) => a.status === 'STALE') ? 'warning'
-                : 'success'
-            }
-            onClick={() => navigate(`/agents/${group}`)}
-          >
-            {(groupAgents || []).map((agent: any) => (
-              <div
-                key={agent.id}
-                className={styles.instanceRow}
-                onClick={(e) => { e.stopPropagation(); navigate(`/agents/${group}/${agent.id}`); }}
-              >
-                <StatusDot variant={agent.status === 'LIVE' ? 'live' : agent.status === 'STALE' ? 'stale' : 'dead'} />
-                <span className={styles.instanceName}>{agent.name}</span>
-                <Badge label={agent.status} color={agent.status === 'LIVE' ? 'success' : agent.status === 'STALE' ? 'warning' : 'error'} />
-                {agent.tps > 0 && <span className={styles.instanceTps}>{agent.tps.toFixed(1)} tps</span>}
-              </div>
-            ))}
-          </GroupCard>
-        ))}
+        {Object.entries(apps).map(([group, groupAgents]) => {
+          const deadInGroup = (groupAgents || []).filter((a: any) => a.status === 'DEAD');
+          return (
+            <GroupCard
+              key={group}
+              title={group}
+              headerRight={<Badge label={`${groupAgents?.length ?? 0} instances`} />}
+              accent={
+                groupAgents?.some((a: any) => a.status === 'DEAD') ? 'error'
+                  : groupAgents?.some((a: any) => a.status === 'STALE') ? 'warning'
+                  : 'success'
+              }
+              onClick={() => navigate(`/agents/${group}`)}
+            >
+              {deadInGroup.length > 0 && (
+                <Alert variant="error">{deadInGroup.length} instance(s) unreachable</Alert>
+              )}
+              {(groupAgents || []).map((agent: any) => (
+                <div
+                  key={agent.id}
+                  className={styles.instanceRow}
+                  onClick={(e) => {
+                    e.stopPropagation();
+                    setSelectedAgent(agent);
+                    navigate(`/agents/${group}/${agent.id}`);
+                  }}
+                >
+                  <StatusDot variant={agent.status === 'LIVE' ? 'live' : agent.status === 'STALE' ? 'stale' : 'dead'} />
+                  <span className={styles.instanceName}>{agent.name}</span>
+                  <Badge label={agent.status} color={agent.status === 'LIVE' ? 'success' : agent.status === 'STALE' ? 'warning' : 'error'} />
+                  <span className={styles.instanceMeta}>{formatUptime(agent.uptimeSeconds)}</span>
+                  {agent.tps != null && <span className={styles.instanceMeta}>{(agent.tps || 0).toFixed(1)} tps</span>}
+                  {agent.errorRate != null && (
+                    <span className={styles.instanceMeta}>{(agent.errorRate * 100).toFixed(1)}% err</span>
+                  )}
+                  <span className={styles.instanceMeta}>{formatRelativeTime(agent.lastHeartbeat)}</span>
+                  <span className={styles.instanceLink} aria-label="View instance">›</span>
+                </div>
+              ))}
+            </GroupCard>
+          );
+        })}
       </div>
 
       {feedEvents.length > 0 && (