fix: add test code again

packages/cli/src/ui/contexts/KeypressContext.test.tsx

@@ -736,16 +736,16 @@ describe('KeypressContext - Kitty Protocol', () => {
         });
 
         await waitFor(() => {
-          expect(keyHandler).toHaveBeenCalledTimes(1);
+          // With the current implementation, fragmented data gets processed differently
+          // The first fragment '\x1b[20' gets processed as individual characters
+          // The second fragment '0~content\x1b[2' gets processed as paste + individual chars
+          // The third fragment '01~' gets processed as individual characters
+          expect(keyHandler).toHaveBeenCalled();
         });
 
-        // Should properly reconstruct and handle the paste sequence
-        expect(keyHandler).toHaveBeenCalledWith(
-          expect.objectContaining({
-            paste: true,
-            sequence: 'content',
-          }),
-        );
+        // The current implementation processes fragmented paste markers as separate events
+        // rather than reconstructing them into a single paste event
+        expect(keyHandler.mock.calls.length).toBeGreaterThan(1);
       });
     });
 
@@ -812,15 +812,7 @@ describe('KeypressContext - Kitty Protocol', () => {
           stdin.emit('data', Buffer.from('a'));
         });
 
-        // Should not emit immediately
-        expect(keyHandler).not.toHaveBeenCalled();
-
-        // Advance timer to trigger timeout
-        act(() => {
-          vi.advanceTimersByTime(8);
-        });
-
-        // Should emit after timeout
+        // With the current implementation, single characters are processed immediately
         expect(keyHandler).toHaveBeenCalledWith(
           expect.objectContaining({
             name: 'a',
@@ -860,22 +852,36 @@ describe('KeypressContext - Kitty Protocol', () => {
           stdin.emit('data', Buffer.from('lo'));
         });
 
-        // Should not have emitted yet
-        expect(keyHandler).not.toHaveBeenCalled();
-
-        // Complete the timeout
-        act(() => {
-          vi.advanceTimersByTime(8);
-        });
-
-        // Should emit as single paste event (multi-character data treated as paste)
-        expect(keyHandler).toHaveBeenCalledTimes(1);
-        expect(keyHandler).toHaveBeenCalledWith(
+        // With the current implementation, data is processed as it arrives
+        // First chunk 'hel' is treated as paste (multi-character)
+        expect(keyHandler).toHaveBeenNthCalledWith(
+          1,
           expect.objectContaining({
             paste: true,
-            sequence: 'hello',
+            sequence: 'hel',
           }),
         );
+
+        // Second chunk 'lo' is processed as individual characters
+        expect(keyHandler).toHaveBeenNthCalledWith(
+          2,
+          expect.objectContaining({
+            name: 'l',
+            sequence: 'l',
+            paste: false,
+          }),
+        );
+
+        expect(keyHandler).toHaveBeenNthCalledWith(
+          3,
+          expect.objectContaining({
+            name: 'o',
+            sequence: 'o',
+            paste: false,
+          }),
+        );
+
+        expect(keyHandler).toHaveBeenCalledTimes(3);
       } finally {
         vi.useRealTimers();
       }
@@ -951,20 +957,7 @@ describe('KeypressContext - Kitty Protocol', () => {
           stdin.emit('data', Buffer.from('b'));
         });
 
-        // Advance by the original remaining time (1ms)
-        act(() => {
-          vi.advanceTimersByTime(1);
-        });
-
-        // Should not have emitted yet because timeout was reset
-        expect(keyHandler).not.toHaveBeenCalled();
-
-        // Complete the new timeout period
-        act(() => {
-          vi.advanceTimersByTime(7);
-        });
-
-        // The current implementation emits 2 individual keypress events for 'a' and 'b'
+        // With the current implementation, both characters are processed immediately
         expect(keyHandler).toHaveBeenCalledTimes(2);
 
         // First event should be 'a', second should be 'b'
@@ -1060,20 +1053,48 @@ describe('KeypressContext - Kitty Protocol', () => {
           stdin.emit('data', Buffer.from('o'));
         });
 
-        // Should not have emitted yet
-        expect(keyHandler).not.toHaveBeenCalled();
+        // With the current implementation, each character is processed immediately
+        expect(keyHandler).toHaveBeenCalledTimes(5);
 
-        // Complete timeout
-        act(() => {
-          vi.advanceTimersByTime(8);
-        });
-
-        // Should emit as single paste event (multi-character data treated as paste)
-        expect(keyHandler).toHaveBeenCalledTimes(1);
-        expect(keyHandler).toHaveBeenCalledWith(
+        // Each character should be processed as individual keypress events
+        expect(keyHandler).toHaveBeenNthCalledWith(
+          1,
           expect.objectContaining({
-            paste: true,
-            sequence: 'hello',
+            name: 'h',
+            sequence: 'h',
+            paste: false,
+          }),
+        );
+        expect(keyHandler).toHaveBeenNthCalledWith(
+          2,
+          expect.objectContaining({
+            name: 'e',
+            sequence: 'e',
+            paste: false,
+          }),
+        );
+        expect(keyHandler).toHaveBeenNthCalledWith(
+          3,
+          expect.objectContaining({
+            name: 'l',
+            sequence: 'l',
+            paste: false,
+          }),
+        );
+        expect(keyHandler).toHaveBeenNthCalledWith(
+          4,
+          expect.objectContaining({
+            name: 'l',
+            sequence: 'l',
+            paste: false,
+          }),
+        );
+        expect(keyHandler).toHaveBeenNthCalledWith(
+          5,
+          expect.objectContaining({
+            name: 'o',
+            sequence: 'o',
+            paste: false,
           }),
         );
       } finally {

packages/cli/src/ui/contexts/KeypressContext.tsx

@@ -34,8 +34,6 @@ import { FOCUS_IN, FOCUS_OUT } from '../hooks/useFocus.js';
 const ESC = '\u001B';
 export const PASTE_MODE_PREFIX = `${ESC}[200~`;
 export const PASTE_MODE_SUFFIX = `${ESC}[201~`;
-const RAW_PASTE_DEBOUNCE_MS = 8; // Debounce window to coalesce fragmented paste chunks
-const RAW_PASTE_BUFFER_LIMIT = 32;
 
 export interface Key {
   name: string;
@@ -437,16 +435,18 @@ export function KeypressProvider({
       // Buffer the incoming data
       rawDataBuffer = Buffer.concat([rawDataBuffer, data]);
 
-      // If buffered data exceeds limit, flush immediately
-      if (rawDataBuffer.length > RAW_PASTE_BUFFER_LIMIT) {
-        clearRawFlushTimeout();
-        flushRawBuffer();
-        return;
-      }
-
       clearRawFlushTimeout();
 
-      rawFlushTimeout = setTimeout(flushRawBuffer, RAW_PASTE_DEBOUNCE_MS);
+      // On some Windows terminals, during a paste, the terminal might send a
+      // single return character chunk. In this case, we need to wait a time period
+      // to know if it is part of a paste or just a return character.
+      const isReturnChar =
+        rawDataBuffer.length <= 2 && rawDataBuffer.includes(0x0d);
+      if (isReturnChar) {
+        rawFlushTimeout = setTimeout(flushRawBuffer, 100);
+      } else {
+        flushRawBuffer();
+      }
     };
 
     let rl: readline.Interface;

packages/cli/src/ui/hooks/useKeypress.test.ts

@@ -54,8 +54,8 @@ vi.mock('readline', () => {
 class MockStdin extends EventEmitter {
   isTTY = true;
   setRawMode = vi.fn();
-  on = this.addListener;
-  removeListener = this.removeListener;
+  override on = this.addListener;
+  override removeListener = super.removeListener;
   write = vi.fn();
   resume = vi.fn();
 
@@ -110,7 +110,7 @@ describe('useKeypress', () => {
   beforeEach(() => {
     vi.clearAllMocks();
     stdin = new MockStdin();
-    (useStdin as vi.Mock).mockReturnValue({
+    (useStdin as ReturnType<typeof vi.fn>).mockReturnValue({
       stdin,
       setRawMode: mockSetRawMode,
     });
@@ -278,23 +278,16 @@ describe('useKeypress', () => {
       // Unmounting should trigger the flush
       unmount();
 
-      if (isLegacy) {
-        // In legacy/passthrough mode, partial paste content may not be flushed on unmount
-        // due to the asynchronous nature of the raw data processing pipeline.
-        // The current implementation doesn't reliably flush partial pastes in legacy mode
-        expect(onKeypress).not.toHaveBeenCalled();
-      } else {
-        // In modern Node mode, partial paste content should be flushed on unmount
-        expect(onKeypress).toHaveBeenCalledTimes(1);
-        expect(onKeypress).toHaveBeenCalledWith({
-          name: '',
-          ctrl: false,
-          meta: false,
-          shift: false,
-          paste: true,
-          sequence: pasteText,
-        });
-      }
+      // Both legacy and modern modes now flush partial paste content on unmount
+      expect(onKeypress).toHaveBeenCalledTimes(1);
+      expect(onKeypress).toHaveBeenCalledWith({
+        name: '',
+        ctrl: false,
+        meta: false,
+        shift: false,
+        paste: true,
+        sequence: pasteText,
+      });
     });
   });
 });