diff --git a/cmd/root.go b/cmd/root.go
index 02ebbd0104e88a59b659c322a0605189b01afaaf..500909360407ccac25111acf33f28c692eeb8ffa 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -120,6 +120,8 @@ to assist developers in writing, debugging, and understanding code directly from
 			tea.WithAltScreen(),
 			tea.WithKeyReleases(),
 			tea.WithUniformKeyLayout(),
+			tea.WithMouseCellMotion(), // Use cell motion instead of all motion to reduce event flooding
+			tea.WithFilter(tui.MouseEventFilter), // Filter mouse events based on focus state
 		)
 
 		// Setup the subscriptions, this will send services events to the TUI
diff --git a/internal/tui/components/chat/editor/editor.go b/internal/tui/components/chat/editor/editor.go
index 30d3aeef80c57487e665952f699cd7b4522db214..0e23799f3345ef01618856129d56b5b7982d8e22 100644
--- a/internal/tui/components/chat/editor/editor.go
+++ b/internal/tui/components/chat/editor/editor.go
@@ -7,6 +7,7 @@ import (
 	"runtime"
 	"slices"
 	"strings"
+	"time"
 	"unicode"
 
 	"github.com/charmbracelet/bubbles/v2/key"
@@ -30,6 +31,8 @@ type FileCompletionItem struct {
 	Path string // The file path
 }
 
+type CompletionDebounceMsg struct{}
+
 type editorCmp struct {
 	width       int
 	height      int
@@ -46,6 +49,9 @@ type editorCmp struct {
 	currentQuery          string
 	completionsStartIndex int
 	isCompletionsOpen     bool
+	
+	// Debouncing for completions
+	debounceTimer *time.Timer
 }
 
 var DeleteKeyMaps = DeleteAttachmentKeyMaps{
@@ -141,6 +147,22 @@ func (m *editorCmp) send() tea.Cmd {
 	)
 }
 
+// debouncedCompletionFilter creates a debounced command for filtering completions
+func (m *editorCmp) debouncedCompletionFilter() tea.Cmd {
+	// Cancel existing timer if any
+	if m.debounceTimer != nil {
+		m.debounceTimer.Stop()
+	}
+	
+	// Create new timer for debouncing
+	m.debounceTimer = time.NewTimer(150 * time.Millisecond)
+	
+	return func() tea.Msg {
+		<-m.debounceTimer.C
+		return CompletionDebounceMsg{}
+	}
+}
+
 func (m *editorCmp) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 	var cmd tea.Cmd
 	var cmds []tea.Cmd
@@ -160,6 +182,18 @@ func (m *editorCmp) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		m.isCompletionsOpen = false
 		m.currentQuery = ""
 		m.completionsStartIndex = 0
+		// Cancel any pending debounce timer
+		if m.debounceTimer != nil {
+			m.debounceTimer.Stop()
+			m.debounceTimer = nil
+		}
+	case CompletionDebounceMsg:
+		// Handle debounced completion filtering
+		if m.isCompletionsOpen {
+			return m, util.CmdHandler(completions.FilterCompletionsMsg{
+				Query: m.currentQuery,
+			})
+		}
 	case completions.SelectCompletionMsg:
 		if !m.isCompletionsOpen {
 			return m, nil
@@ -196,9 +230,8 @@ func (m *editorCmp) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		case msg.String() == "backspace" && m.isCompletionsOpen:
 			if len(m.currentQuery) > 0 {
 				m.currentQuery = m.currentQuery[:len(m.currentQuery)-1]
-				cmds = append(cmds, util.CmdHandler(completions.FilterCompletionsMsg{
-					Query: m.currentQuery,
-				}))
+				// Use debounced filtering instead of immediate filtering
+				cmds = append(cmds, m.debouncedCompletionFilter())
 			} else {
 				m.isCompletionsOpen = false
 				m.currentQuery = ""
@@ -208,9 +241,8 @@ func (m *editorCmp) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		default:
 			if m.isCompletionsOpen {
 				m.currentQuery += msg.String()
-				cmds = append(cmds, util.CmdHandler(completions.FilterCompletionsMsg{
-					Query: m.currentQuery,
-				}))
+				// Use debounced filtering instead of immediate filtering
+				cmds = append(cmds, m.debouncedCompletionFilter())
 			}
 		}
 		if key.Matches(msg, DeleteKeyMaps.AttachmentDeleteMode) {
@@ -258,6 +290,7 @@ func (m *editorCmp) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			}
 		}
 	}
+	
 	m.textarea, cmd = m.textarea.Update(msg)
 	cmds = append(cmds, cmd)
 	return m, tea.Batch(cmds...)
@@ -355,6 +388,11 @@ func (m *editorCmp) startCompletions() tea.Msg {
 // Blur implements Container.
 func (c *editorCmp) Blur() tea.Cmd {
 	c.textarea.Blur()
+	// Clean up debounce timer when losing focus
+	if c.debounceTimer != nil {
+		c.debounceTimer.Stop()
+		c.debounceTimer = nil
+	}
 	return nil
 }
 
diff --git a/internal/tui/page/chat/chat.go b/internal/tui/page/chat/chat.go
index b079859c5b935f02247f84ff0757933fc7a11a4f..59b8ac86da3901bfb5a3affe8aeedf27f293a507 100644
--- a/internal/tui/page/chat/chat.go
+++ b/internal/tui/page/chat/chat.go
@@ -39,6 +39,7 @@ type (
 type ChatPage interface {
 	util.Model
 	layout.Help
+	IsChatFocused() bool
 }
 
 type chatPage struct {
@@ -415,3 +416,8 @@ func NewChatPage(app *app.App) ChatPage {
 		header:         header.New(app.LSPClients),
 	}
 }
+
+// IsChatFocused returns whether the chat messages are focused (true) or editor is focused (false)
+func (p *chatPage) IsChatFocused() bool {
+	return p.chatFocused
+}
diff --git a/internal/tui/tui.go b/internal/tui/tui.go
index 7ab868f20f830d040df3a5d2f17347faaec235d0..dd0d4f9085d92b20aa92c8d2f25227b5e2206816 100644
--- a/internal/tui/tui.go
+++ b/internal/tui/tui.go
@@ -31,6 +31,29 @@ import (
 	"github.com/charmbracelet/lipgloss/v2"
 )
 
+// MouseEventFilter filters mouse events based on the current focus state
+// This is used with tea.WithFilter to prevent mouse scroll events from
+// interfering with typing performance in the editor
+func MouseEventFilter(m tea.Model, msg tea.Msg) tea.Msg {
+	// Only filter mouse events
+	switch msg.(type) {
+	case tea.MouseWheelMsg, tea.MouseMotionMsg:
+		// Check if we have an appModel and if editor is focused
+		if appModel, ok := m.(*appModel); ok {
+			if appModel.currentPage == chat.ChatPageID {
+				if chatPage, ok := appModel.pages[appModel.currentPage].(chat.ChatPage); ok {
+					// If editor is focused (not chatFocused), filter out mouse wheel/motion events
+					if !chatPage.IsChatFocused() {
+						return nil // Filter out the event
+					}
+				}
+			}
+		}
+	}
+	// Allow all other events to pass through
+	return msg
+}
+
 // appModel represents the main application model that manages pages, dialogs, and UI state.
 type appModel struct {
 	wWidth, wHeight int // Window dimensions
@@ -82,9 +105,6 @@ func (a appModel) Init() tea.Cmd {
 		return nil
 	})
 
-	// Enable mouse support.
-	cmds = append(cmds, tea.EnableMouseAllMotion)
-
 	return tea.Batch(cmds...)
 }