fix(context-menu): restore pane header targeting

src/components/context-menu/context-menu-utils.ts

@@ -67,6 +67,10 @@ export function parseContextTarget(contextId: ContextId, data: ContextDataset):
       return data.tabId && data.paneId
         ? { kind: 'pane', tabId: data.tabId, paneId: data.paneId }
         : null
+    case ContextIds.PaneHeader:
+      return data.tabId && data.paneId
+        ? { kind: 'pane', tabId: data.tabId, paneId: data.paneId }
+        : null
     case ContextIds.PaneDivider:
       return data.tabId && data.splitId
         ? { kind: 'pane-divider', tabId: data.tabId, splitId: data.splitId }

src/components/panes/PaneHeader.tsx

@@ -126,6 +126,8 @@ export default function PaneHeader({
           : isActive ? 'bg-muted' : 'bg-muted/50 text-muted-foreground'
       )}
       data-context={ContextIds.PaneHeader}
+      data-tab-id={tabId}
+      data-pane-id={paneId}
       onDoubleClick={isRenaming ? undefined : onDoubleClick}
       role="banner"
       aria-label={`Pane: ${title}`}

test/unit/client/components/context-menu/context-menu-utils.test.ts

@@ -54,6 +54,35 @@ describe('parseContextTarget', () => {
     expect(result).toEqual({ kind: 'tab', tabId: 'tab-1' })
   })
 
+  it('parseContextTarget for PaneHeader returns the exact pane target', () => {
+    const result = parseContextTarget(ContextIds.PaneHeader, {
+      tabId: 'tab-header',
+      paneId: 'pane-header',
+    })
+
+    expect(result).toEqual({
+      kind: 'pane',
+      tabId: 'tab-header',
+      paneId: 'pane-header',
+    })
+  })
+
+  it('parseContextTarget for PaneHeader returns null when tabId is missing', () => {
+    const result = parseContextTarget(ContextIds.PaneHeader, {
+      paneId: 'pane-header',
+    })
+
+    expect(result).toBeNull()
+  })
+
+  it('parseContextTarget for PaneHeader returns null when paneId is missing', () => {
+    const result = parseContextTarget(ContextIds.PaneHeader, {
+      tabId: 'tab-header',
+    })
+
+    expect(result).toBeNull()
+  })
+
   it('parseContextTarget for FreshAgent preserves pane and session flavor identity', () => {
     const result = parseContextTarget(ContextIds.FreshAgent, {
       tabId: 'tab-1',

test/unit/client/components/panes/PaneHeader.test.tsx

@@ -137,6 +137,25 @@ describe('PaneHeader', () => {
       expect(screen.getByText('My Terminal')).toBeInTheDocument()
     })
 
+    it('renders its pane-header context marker and exact pane identity', () => {
+      render(
+        <PaneHeader
+          tabId="tab-header"
+          paneId="pane-header"
+          title="My Terminal"
+          status="running"
+          isActive={true}
+          onClose={vi.fn()}
+          content={makeTerminalContent()}
+        />
+      )
+
+      const header = screen.getByRole('banner', { name: 'Pane: My Terminal' })
+      expect(header).toHaveAttribute('data-context', 'pane-header')
+      expect(header).toHaveAttribute('data-tab-id', 'tab-header')
+      expect(header).toHaveAttribute('data-pane-id', 'pane-header')
+    })
+
     it('renders status indicator', () => {
       render(
         <PaneHeader