fix(terminal): retain pending DPR recovery

src/renderer/src/components/terminal-pane/use-terminal-window-wake-recovery.test.ts

@@ -229,4 +229,26 @@ describe('useTerminalWindowWakeRecovery', () => {
     window.dispatchEvent(new Event('resize'))
     expect(repairPaneWebglCanvasDprMismatchMock).toHaveBeenCalledTimes(1)
   })
+
+  it('retains a dpr transition until the visible manager is available', () => {
+    const pane = { id: 1, terminal: {} }
+    const managerRef: { current: PaneManager | null } = { current: null }
+    vi.stubGlobal('devicePixelRatio', 1)
+    renderHook(() =>
+      useTerminalWindowWakeRecovery({
+        isVisible: true,
+        managerRef,
+        isActiveRef: { current: true },
+        isVisibleRef: { current: true }
+      })
+    )
+
+    vi.stubGlobal('devicePixelRatio', 2)
+    window.dispatchEvent(new Event('resize'))
+    expect(repairPaneWebglCanvasDprMismatchMock).not.toHaveBeenCalled()
+
+    managerRef.current = { getPanes: () => [pane] } as unknown as PaneManager
+    window.dispatchEvent(new Event('resize'))
+    expect(repairPaneWebglCanvasDprMismatchMock).toHaveBeenCalledWith(pane)
+  })
 })

src/renderer/src/components/terminal-pane/use-terminal-window-wake-recovery.ts

@@ -122,11 +122,11 @@ export function useTerminalWindowWakeRecovery({
       if (devicePixelRatio === observedDevicePixelRatio) {
         return
       }
-      observedDevicePixelRatio = devicePixelRatio
       const manager = managerRef.current
       if (!manager || !isVisibleRef.current) {
         return
       }
+      observedDevicePixelRatio = devicePixelRatio
       for (const pane of manager.getPanes?.() ?? []) {
         if (repairPaneWebglCanvasDprMismatch(pane)) {
           presentPaneViewport(pane)