style: refine agent pane headers

Author: pallyoung

apps/web/src/features/agents/AgentWorkspaceFeature.tsx

@@ -107,13 +107,15 @@ export const AgentWorkspaceFeature = ({
         <div className={`surface-progress ${tone}`} aria-hidden="true">
           <span className="surface-progress-bar" style={{ width: `${progress}%` }} />
         </div>
-        <div className="agent-pane-header">
+        <div className="agent-pane-header" data-density="compact" data-active={isPaneActive ? "true" : "false"}>
           <div className="agent-pane-header-copy">
             <span className={`session-top-dot ${statusTone} ${statusTone === "active" ? "pulse" : ""}`} />
             <span className="agent-pane-title">{displaySessionTitle(session.title)}</span>
           </div>
           <div className="agent-pane-meta">
-            <span className={`agent-pane-state-tag ${headerTag.tone}`}>{headerTag.label}</span>
+            <span className={`agent-pane-state-tag ${headerTag.tone}`} data-tone={headerTag.tone}>
+              {headerTag.label}
+            </span>
             <div className="agent-pane-actions">
               <button
                 type="button"
@@ -233,13 +235,15 @@ export const AgentWorkspaceFeature = ({
                 data-session-id={viewedSession.id}
                 data-session-status={viewedSession.status}
               >
-                <div className="agent-pane-header">
+                <div className="agent-pane-header" data-density="compact" data-active="true">
                   <div className="agent-pane-header-copy">
                     <span className={`session-top-dot ${sessionTone(viewedSession.status)} ${sessionTone(viewedSession.status) === "active" ? "pulse" : ""}`} />
                     <span className="agent-pane-title">{displaySessionTitle(viewedSession.title)}</span>
                   </div>
                   <div className="agent-pane-meta">
-                    <span className={`agent-pane-state-tag ${viewedHeaderTag.tone}`}>{viewedHeaderTag.label}</span>
+                    <span className={`agent-pane-state-tag ${viewedHeaderTag.tone}`} data-tone={viewedHeaderTag.tone}>
+                      {viewedHeaderTag.label}
+                    </span>
                   </div>
                 </div>
                 <div className="agent-pane-body">

apps/web/src/styles/app.css

@@ -9223,51 +9223,68 @@ pre.diff,
 
 .agent-pane-header {
   align-items: center;
-  gap: 8px;
-  padding: 6px 8px;
+  gap: 6px;
+  min-height: 28px;
+  padding: 5px 7px;
 }
 
 .agent-pane-header-copy {
   min-width: 0;
-  gap: 6px;
+  gap: 5px;
+}
+
+.agent-pane-header[data-active="true"] {
+  box-shadow: inset 0 -1px 0 color-mix(in srgb, var(--accent) 14%, var(--border-muted));
+}
+
+.agent-pane-title {
+  font-size: 12px;
+  line-height: 1.2;
+  font-weight: 500;
+  letter-spacing: 0.01em;
+  text-transform: none;
 }
 
 .agent-pane-meta {
   display: flex;
   align-items: center;
-  gap: 6px;
+  gap: 4px;
   margin-left: auto;
   flex-shrink: 0;
 }
 
 .agent-pane-state-tag {
   display: inline-flex;
   align-items: center;
-  min-height: 20px;
-  padding: 0 7px;
+  justify-content: center;
+  min-height: 18px;
+  padding: 0 6px;
   border: 1px solid var(--border-subtle);
-  border-radius: 999px;
+  border-radius: 5px;
   background: var(--surface-chip);
   font-size: 10px;
   font-weight: 600;
-  letter-spacing: 0.04em;
+  letter-spacing: 0.02em;
   text-transform: uppercase;
   color: var(--text-secondary);
 }
 
 .agent-pane-state-tag.active {
   color: var(--accent-2);
   border-color: color-mix(in srgb, var(--accent-2) 28%, var(--border-subtle));
+  background: color-mix(in srgb, var(--accent-2) 10%, var(--surface-chip));
 }
 
 .agent-pane-state-tag.info {
   color: var(--accent);
   border-color: color-mix(in srgb, var(--accent) 28%, var(--border-subtle));
+  background: color-mix(in srgb, var(--accent) 10%, var(--surface-chip));
 }
 
 .agent-pane-state-tag.queue {
   color: var(--accent-3);
   border-color: color-mix(in srgb, var(--accent-3) 28%, var(--border-subtle));
+  background: color-mix(in srgb, var(--accent-3) 10%, var(--surface-chip));
 }
 
 .agent-pane-state-tag.idle {
@@ -9279,15 +9296,40 @@ pre.diff,
 }
 
 .agent-pane-actions {
+  display: inline-flex;
+  align-items: center;
   gap: 2px;
+  padding: 1px;
+  border: 1px solid color-mix(in srgb, var(--border-subtle) 88%, transparent);
+  border-radius: 5px;
+  background: color-mix(in srgb, var(--surface) 82%, var(--bg) 18%);
+  opacity: 0.82;
 }
 
 .pane-action {
-  width: 24px;
-  height: 24px;
+  width: 20px;
+  height: 20px;
   border-radius: 4px;
+  color: var(--text-tertiary);
+  background: transparent;
+}
+
+.agent-pane-card.active .agent-pane-actions,
+.agent-pane-card:hover .agent-pane-actions {
+  opacity: 1;
 }
 
 .pane-action:hover {
-  background: var(--bg-hover);
+  background: color-mix(in srgb, var(--accent) 10%, transparent);
+  color: var(--text);
+}
+
+.pane-action svg {
+  width: 12px;
+  height: 12px;
+}
+
+.pane-action.close:hover {
+  color: var(--danger);
+  background: color-mix(in srgb, var(--danger) 10%, transparent);
 }

tests/e2e/e2e.spec.ts

@@ -494,7 +494,9 @@ test('flat matte UI exposes compact shell and supporting screen markers', async
   await expect(page.getByTestId('workspace-status-strip')).toContainText('Runtime');
   await expect(page.getByTestId('workspace-status-strip')).toContainText('Changes');
   await expect(page.getByTestId('workspace-status-strip')).toContainText('Queue');
+  await expect(page.locator('.agent-pane-header').first()).toHaveAttribute('data-density', 'compact');
   await expect(page.locator('.agent-pane-state-tag').first()).toBeVisible();
+  await expect(page.locator('.agent-pane-state-tag').first()).toHaveAttribute('data-tone', /active|info|queue|idle|muted/);
   await expect(page.locator('.agent-pane-state-tag').first()).toHaveText(/Ready|Queued|Suspended|Running|Background/);
 
   await page.getByRole('button', { name: 'Actions' }).click();