diff --git a/web/app/(app)/audit/page.tsx b/web/app/(app)/audit/page.tsx
index e8f22d6..0d7e7de 100644
--- a/web/app/(app)/audit/page.tsx
+++ b/web/app/(app)/audit/page.tsx
@@ -77,18 +77,18 @@ export default function AuditPage() {
             <Tbody>
               {events.map((e: AuditEvent) => (
                 <Tr key={e.id}>
-                  <Td>
+                  <Td label="Time">
                     <span className="whitespace-nowrap font-mono text-xs text-text-secondary">
                       {formatDate(e.created_at)}
                     </span>
                   </Td>
-                  <Td>
+                  <Td label="Event">
                     <EventTypeBadge type={e.event_type} />
                   </Td>
-                  <Td>
+                  <Td label="Actor">
                     <span className="text-sm text-text-primary">{e.actor}</span>
                   </Td>
-                  <Td>
+                  <Td label="Details">
                     <span className="text-sm text-text-secondary">{e.details}</span>
                   </Td>
                 </Tr>
diff --git a/web/app/(app)/keys/[id]/page.tsx b/web/app/(app)/keys/[id]/page.tsx
index bf7c6d5..f90a23c 100644
--- a/web/app/(app)/keys/[id]/page.tsx
+++ b/web/app/(app)/keys/[id]/page.tsx
@@ -385,7 +385,7 @@ export default function KeyDetailPage() {
                 <Tbody>
                   {key.assignments.map((assignment) => (
                     <Tr key={`${assignment.key_id}-${assignment.server_id}`}>
-                      <Td>
+                      <Td label="Server">
                         <Link
                           href={`/servers/${assignment.server_id}`}
                           className="font-medium text-text-primary hover:text-accent"
@@ -393,22 +393,22 @@ export default function KeyDetailPage() {
                           {assignment.server?.hostname ?? assignment.server_id}
                         </Link>
                       </Td>
-                      <Td>
+                      <Td label="IP Address">
                         <span className="font-mono text-xs text-text-secondary">
                           {assignment.server?.ip_address ?? "n/a"}
                         </span>
                       </Td>
-                      <Td>
+                      <Td label="Status">
                         <Badge variant={assignment.revoked_at ? "danger" : "success"}>
                           {assignment.revoked_at ? "revoked" : "active"}
                         </Badge>
                       </Td>
-                      <Td>
+                      <Td label="Assigned">
                         <span className="text-text-secondary text-xs">
                           {new Date(assignment.assigned_at).toLocaleDateString()}
                         </span>
                       </Td>
-                      <Td>
+                      <Td label="Revoked">
                         <span className="text-text-secondary text-xs">
                           {assignment.revoked_at
                             ? new Date(assignment.revoked_at).toLocaleDateString()
diff --git a/web/app/(app)/keys/page.tsx b/web/app/(app)/keys/page.tsx
index 8f1805c..26cd967 100644
--- a/web/app/(app)/keys/page.tsx
+++ b/web/app/(app)/keys/page.tsx
@@ -146,21 +146,21 @@ export default function KeysPage() {
                         <Tbody>
                             {keys.map((key: Key) => (
                                 <Tr key={key.key_id}>
-                                    <Td>
+                                    <Td label="Label">
                                         <span className="font-medium text-text-primary">{key.label}</span>
                                     </Td>
-                                    <Td>
+                                    <Td label="Fingerprint">
                                         <span className="font-mono text-xs text-text-secondary">{key.fingerprint}</span>
                                     </Td>
-                                    <Td>
+                                    <Td label="Source">
                                         <Badge variant={key.source === "generated" ? "accent" : "neutral"}>{key.source}</Badge>
                                     </Td>
-                                    <Td>
+                                    <Td label="Assignments">
                                         <span className="text-text-secondary">
                                             {key.assigned_count ?? 0} server{(key.assigned_count ?? 0) !== 1 ? "s" : ""}
                                         </span>
                                     </Td>
-                                    <Td>
+                                    <Td label="Created">
                                         <span className="text-text-secondary text-xs">{new Date(key.created_at).toLocaleDateString()}</span>
                                     </Td>
                                     <Td>
diff --git a/web/app/(app)/monitors/[id]/page.tsx b/web/app/(app)/monitors/[id]/page.tsx
index f5239ff..43edc76 100644
--- a/web/app/(app)/monitors/[id]/page.tsx
+++ b/web/app/(app)/monitors/[id]/page.tsx
@@ -180,17 +180,17 @@ export default function MonitorDetailPage() {
                             <Tbody>
                                 {incidents.map((inc) => (
                                     <Tr key={inc.incident_id}>
-                                        <Td>
+                                        <Td label="Started">
                                             <span className="text-xs text-text-secondary">{new Date(inc.started_at).toLocaleString()}</span>
                                         </Td>
-                                        <Td>
+                                        <Td label="Resolved">
                                             {inc.resolved_at ? (
                                                 <span className="text-xs text-text-secondary">{new Date(inc.resolved_at).toLocaleString()}</span>
                                             ) : (
                                                 <Badge variant="danger">ongoing</Badge>
                                             )}
                                         </Td>
-                                        <Td>
+                                        <Td label="Cause">
                                             <span className="text-xs text-text-primary">{inc.cause || "n/a"}</span>
                                         </Td>
                                     </Tr>
diff --git a/web/app/(app)/monitors/page.tsx b/web/app/(app)/monitors/page.tsx
index b93fbf4..5c17228 100644
--- a/web/app/(app)/monitors/page.tsx
+++ b/web/app/(app)/monitors/page.tsx
@@ -76,24 +76,24 @@ export default function MonitorsPage() {
             <Tbody>
               {monitors.map((m) => (
                 <Tr key={m.monitor_id}>
-                  <Td>
+                  <Td label="Name">
                     <Link href={`/monitors/${m.monitor_id}`} className="font-medium text-text-primary hover:text-accent">
                       {m.name}
                     </Link>
                   </Td>
-                  <Td>
+                  <Td label="Type">
                     <Badge variant="neutral">{m.type}</Badge>
                   </Td>
-                  <Td>
+                  <Td label="Target">
                     <span className="font-mono text-xs text-text-secondary">{targetSummary(m)}</span>
                   </Td>
-                  <Td>
+                  <Td label="Status">
                     <Badge variant={statusVariant(m.state.status)}>{m.state.status}</Badge>
                   </Td>
-                  <Td>
+                  <Td label="Latency">
                     <span className="text-sm text-text-secondary">{m.state.latency_ms}ms</span>
                   </Td>
-                  <Td>
+                  <Td label="Last check">
                     <span className="text-xs text-text-secondary">
                       {m.state.last_check_at ? new Date(m.state.last_check_at).toLocaleTimeString() : "n/a"}
                     </span>
diff --git a/web/app/(app)/secrets/[group]/page.tsx b/web/app/(app)/secrets/[group]/page.tsx
index aeb23b3..0745b68 100644
--- a/web/app/(app)/secrets/[group]/page.tsx
+++ b/web/app/(app)/secrets/[group]/page.tsx
@@ -138,11 +138,11 @@ function SecretRow({ group, secret }: { group: string; secret: Secret }) {
 
     return (
         <Tr>
-            <Td>
+            <Td label="Key">
                 <span className="font-mono font-medium text-text-primary">{secret.key}</span>
             </Td>
-            <Td>{revealed == null ? <span className="font-mono text-text-tertiary">••••••••••••</span> : <span className="font-mono text-xs break-all text-text-primary">{revealed}</span>}</Td>
-            <Td>
+            <Td label="Value">{revealed == null ? <span className="font-mono text-text-tertiary">••••••••••••</span> : <span className="font-mono text-xs break-all text-text-primary">{revealed}</span>}</Td>
+            <Td label="Updated">
                 <span className="text-text-secondary text-xs">{new Date(secret.updated_at).toLocaleString()}</span>
             </Td>
             <Td>
diff --git a/web/app/(app)/secrets/page.tsx b/web/app/(app)/secrets/page.tsx
index 85ad4d4..e935803 100644
--- a/web/app/(app)/secrets/page.tsx
+++ b/web/app/(app)/secrets/page.tsx
@@ -139,15 +139,15 @@ export default function SecretsPage() {
             <Tbody>
               {groups.map((g: SecretGroupSummary) => (
                 <Tr key={g.group}>
-                  <Td>
+                  <Td label="Group">
                     <span className="font-mono font-medium text-text-primary">{g.group}</span>
                   </Td>
-                  <Td>
+                  <Td label="Keys">
                     <span className="text-text-secondary">
                       {g.key_count} key{g.key_count !== 1 ? "s" : ""}
                     </span>
                   </Td>
-                  <Td>
+                  <Td label="Last Updated">
                     <span className="text-text-secondary text-xs">
                       {new Date(g.updated_at).toLocaleString()}
                     </span>
diff --git a/web/app/(app)/servers/[id]/page.tsx b/web/app/(app)/servers/[id]/page.tsx
index d886b2f..28b3356 100644
--- a/web/app/(app)/servers/[id]/page.tsx
+++ b/web/app/(app)/servers/[id]/page.tsx
@@ -269,13 +269,13 @@ function UpdatesModal({ updates, onClose, onApply, isApplying, applySuccess }: {
                         <Tbody>
                             {updates.map((u) => (
                                 <Tr key={u.name}>
-                                    <Td>
+                                    <Td label="Package">
                                         <span className="font-medium font-mono text-sm">{u.name}</span>
                                     </Td>
-                                    <Td>
+                                    <Td label="Current">
                                         <span className="font-mono text-xs text-text-secondary">{u.current_version || "n/a"}</span>
                                     </Td>
-                                    <Td>
+                                    <Td label="Available">
                                         <span className="font-mono text-xs text-success">{u.new_version}</span>
                                     </Td>
                                 </Tr>
@@ -585,19 +585,19 @@ export default function ServerDetailPage() {
                                         .filter((a) => a.key)
                                         .map((assignment) => (
                                             <Tr key={assignment.key_id}>
-                                                <Td>
+                                                <Td label="Label">
                                                     <span className="font-medium">{assignment.key.label}</span>
                                                 </Td>
-                                                <Td>
+                                                <Td label="Fingerprint">
                                                     <span className="font-mono text-xs text-text-secondary">{assignment.key.fingerprint}</span>
                                                 </Td>
-                                                <Td>
+                                                <Td label="Source">
                                                     <Badge variant={assignment.key.source === "generated" ? "accent" : "neutral"}>{assignment.key.source}</Badge>
                                                 </Td>
-                                                <Td>
+                                                <Td label="Status">
                                                     <Badge variant={assignment.revoked_at ? "danger" : "success"}>{assignment.revoked_at ? "revoked" : "active"}</Badge>
                                                 </Td>
-                                                <Td>
+                                                <Td label="Assigned">
                                                     <span className="text-text-secondary text-xs">{formatDate(assignment.assigned_at)}</span>
                                                 </Td>
                                                 <Td>
diff --git a/web/app/(app)/servers/page.tsx b/web/app/(app)/servers/page.tsx
index 3b966de..ab842e1 100644
--- a/web/app/(app)/servers/page.tsx
+++ b/web/app/(app)/servers/page.tsx
@@ -113,23 +113,23 @@ export default function ServersPage() {
             <Tbody>
               {servers.map((server: Server) => (
                 <Tr key={server.server_id}>
-                  <Td>
+                  <Td label="Hostname">
                     <span className="font-medium text-text-primary">
                       {server.hostname}
                     </span>
                   </Td>
-                  <Td>
+                  <Td label="IP Address">
                     <span className="font-mono text-text-secondary">
                       {server.ip_address}
                     </span>
                   </Td>
-                  <Td>
+                  <Td label="OS">
                     <span className="text-text-secondary">{server.os_info}</span>
                   </Td>
-                  <Td>
+                  <Td label="Status">
                     <StatusDot status={resolveStatus(server, latestVersion)} />
                   </Td>
-                  <Td>
+                  <Td label="Last Seen">
                     <span className="text-text-secondary">
                       {server.last_seen
                         ? formatLastSeen(server.last_seen)
diff --git a/web/app/(app)/workflows/[id]/runs/page.tsx b/web/app/(app)/workflows/[id]/runs/page.tsx
index d5c15b3..43958d6 100644
--- a/web/app/(app)/workflows/[id]/runs/page.tsx
+++ b/web/app/(app)/workflows/[id]/runs/page.tsx
@@ -51,7 +51,7 @@ export default function WorkflowRunsPage() {
             <Tbody>
               {runs.map((r: WorkflowRun) => (
                 <Tr key={r.run_id}>
-                  <Td>
+                  <Td label="Run">
                     <Link
                       href={`/workflows/${id}/runs/${r.run_id}`}
                       className="font-mono text-text-primary hover:text-signal"
@@ -59,12 +59,12 @@ export default function WorkflowRunsPage() {
                       {r.run_id.slice(0, 8)}
                     </Link>
                   </Td>
-                  <Td>
+                  <Td label="Status">
                     <Badge variant={statusVariant[r.status] ?? "neutral"}>{r.status}</Badge>
                   </Td>
-                  <Td className="text-text-secondary">{new Date(r.started_at).toLocaleString()}</Td>
-                  <Td className="text-text-secondary">{r.triggered_by}</Td>
-                  <Td className="text-text-secondary">{r.server_runs.length}</Td>
+                  <Td label="Started" className="text-text-secondary">{new Date(r.started_at).toLocaleString()}</Td>
+                  <Td label="By" className="text-text-secondary">{r.triggered_by}</Td>
+                  <Td label="Servers" className="text-text-secondary">{r.server_runs.length}</Td>
                 </Tr>
               ))}
             </Tbody>
diff --git a/web/app/(app)/workflows/page.tsx b/web/app/(app)/workflows/page.tsx
index 2e347d4..704af38 100644
--- a/web/app/(app)/workflows/page.tsx
+++ b/web/app/(app)/workflows/page.tsx
@@ -70,15 +70,15 @@ export default function WorkflowsPage() {
             <Tbody>
               {workflows.map((w: Workflow) => (
                 <Tr key={w.workflow_id}>
-                  <Td>
+                  <Td label="Name">
                     <span className="font-medium text-text-primary">{w.name}</span>
                   </Td>
-                  <Td>
+                  <Td label="Targets">
                     <span className="text-text-secondary">
                       {w.target_server_ids.length} server{w.target_server_ids.length !== 1 ? "s" : ""}
                     </span>
                   </Td>
-                  <Td>
+                  <Td label="Steps">
                     <span className="text-text-secondary">{w.steps.length}</span>
                   </Td>
                   <Td>
diff --git a/web/components/settings/MembersCard.tsx b/web/components/settings/MembersCard.tsx
index fd2485c..702b4e4 100644
--- a/web/components/settings/MembersCard.tsx
+++ b/web/components/settings/MembersCard.tsx
@@ -115,11 +115,11 @@ export function MembersCard() {
                             const locked = isSelf || managedByHQ || (u.role === "owner" && !isOwner);
                             return (
                                 <Tr key={u.user_id}>
-                                    <Td>
+                                    <Td label="Email">
                                         <span className="font-medium">{u.email}</span>
                                         {isSelf && <span className="ml-2 text-xs text-text-tertiary">(you)</span>}
                                     </Td>
-                                    <Td>
+                                    <Td label="Role">
                                         {locked ? (
                                             <Badge variant={roleVariant(u.role)}>{u.role}</Badge>
                                         ) : (
@@ -136,11 +136,11 @@ export function MembersCard() {
                                             </select>
                                         )}
                                     </Td>
-                                    <Td>
+                                    <Td label="Sign-in">
                                         <Badge variant="neutral">{u.auth_source === "oidc" ? "SSO" : u.auth_source === "hq" ? "Vantage HQ" : "Password"}</Badge>
                                     </Td>
-                                    <Td className="text-text-secondary">{u.last_login ? new Date(u.last_login).toLocaleString() : "Never"}</Td>
-                                    <Td className="text-right">
+                                    <Td label="Last login" className="text-text-secondary">{u.last_login ? new Date(u.last_login).toLocaleString() : "Never"}</Td>
+                                    <Td label="Actions" className="text-right">
                                         {managedByHQ ? (
                                             hqUrl ? (
                                                 <a href={hqUrl} target="_blank" rel="noreferrer" className="text-xs text-text-secondary underline">