From a85d801088dca272ea2905c13135ed2f30bbe5d9 Mon Sep 17 00:00:00 2001
From: zerafachris <christopher.zerafa@blocklabs.io>
Date: Thu, 16 Jul 2026 10:26:46 +0200
Subject: [PATCH] fix(windows): address clipboard copy failure in TUI

Fixes #8977
---
 src/main/window/clipboard-ipc-handlers.ts           | 13 ++++++++++++-
 .../terminal-pane/use-terminal-pane-lifecycle.ts    | 11 ++++++++---
 2 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/src/main/window/clipboard-ipc-handlers.ts b/src/main/window/clipboard-ipc-handlers.ts
index f6c98d6bb2d..8d727bff6b0 100644
--- a/src/main/window/clipboard-ipc-handlers.ts
+++ b/src/main/window/clipboard-ipc-handlers.ts
@@ -142,7 +142,18 @@ export function registerClipboardHandlers(store: Store): void {
   )
   ipcMain.handle('clipboard:writeText', async (event, text: string) => {
     assertTrustedClipboardSender(event)
-    return clipboard.writeText(await assertClipboardTextWriteWithinLimitWithYield(text))
+    const newText = await assertClipboardTextWriteWithinLimitWithYield(text)
+    if (process.platform === 'win32') {
+      try {
+        // Use a PowerShell fallback for Windows to improve reliability
+        await runCommand('powershell', ['-Command', `Set-Clipboard -Value $input`], newText)
+      } catch (error) {
+        console.error('PowerShell clipboard write failed, falling back to Electron API', error)
+        clipboard.writeText(newText)
+      }
+    } else {
+      clipboard.writeText(newText)
+    }
   })
   ipcMain.handle('clipboard:writeSelectionText', async (event, text: string) => {
     assertTrustedClipboardSender(event)
diff --git a/src/renderer/src/components/terminal-pane/use-terminal-pane-lifecycle.ts b/src/renderer/src/components/terminal-pane/use-terminal-pane-lifecycle.ts
index e1fe139d445..3512de6c6aa 100644
--- a/src/renderer/src/components/terminal-pane/use-terminal-pane-lifecycle.ts
+++ b/src/renderer/src/components/terminal-pane/use-terminal-pane-lifecycle.ts
@@ -1130,9 +1130,14 @@ export function useTerminalPaneLifecycle({
           if (!selection) {
             return
           }
-          void window.api.ui.writeClipboardText(selection).catch(() => {
-            /* ignore clipboard write failures */
-          })
+           void window.api.ui
+              .writeClipboardText(selection)
+              .then(() => {
+                // TODO(orca): Show a "Copied" toast notification
+              })
+              .catch(() => {
+                // TODO(orca): Show a "Copy failed" toast notification
+              })
         })
         selectionDisposablesRef.current.set(pane.id, selectionDisposable)
         // Hide mouse cursor while typing — classic terminal UX, scoped to the