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Author: wiedymi

aizen/Services/Agent/AgentSession.swift

@@ -376,9 +376,6 @@ class AgentSession: ObservableObject, ACPClientDelegate {
         if response.success {
             logger.info("Mode change succeeded: \(modeId)")
             currentModeId = modeId
-            if let modeName = availableModes.first(where: { $0.id == modeId })?.name {
-                addSystemMessage("Mode changed to \(modeName)")
-            }
         } else {
             logger.warning("Mode change response indicated failure")
         }

aizen/Views/Chat/Components/InlineDiffView.swift

@@ -42,8 +42,8 @@ struct InlineDiffView: View {
     }
 
     private var previewHeight: CGFloat {
-        let lineHeight = max(fontSize + 4, 14)
-        return CGFloat(previewLines.count) * lineHeight + 8
+        let rowHeight = SelectableDiffView.calculateRowHeight(fontSize: fontSize, fontFamily: terminalFontName)
+        return CGFloat(previewLines.count) * rowHeight
     }
 
     var body: some View {

aizen/Views/Chat/Components/SelectableDiffView.swift

@@ -6,6 +6,20 @@
 import SwiftUI
 import AppKit
 
+// MARK: - Non-Scrolling Scroll View
+
+private class NonScrollingScrollView: NSScrollView {
+    var scrollingEnabled: Bool = true
+
+    override func scrollWheel(with event: NSEvent) {
+        if scrollingEnabled {
+            super.scrollWheel(with: event)
+        } else {
+            nextResponder?.scrollWheel(with: event)
+        }
+    }
+}
+
 // MARK: - Custom Table View with Copy Support
 
 private class ChatDiffTableView: NSTableView {
@@ -172,8 +186,15 @@ struct SelectableDiffView: NSViewRepresentable {
     let fontFamily: String
     var scrollable: Bool = true
 
+    static func calculateRowHeight(fontSize: Double, fontFamily: String) -> CGFloat {
+        let font = NSFont(name: fontFamily, size: fontSize) ?? NSFont.monospacedSystemFont(ofSize: fontSize, weight: .regular)
+        return ceil(font.ascender - font.descender + font.leading) + 4
+    }
+
     func makeNSView(context: Context) -> NSScrollView {
-        let scrollView = NSScrollView()
+        let scrollView = NonScrollingScrollView()
+        scrollView.scrollingEnabled = scrollable
+        
         let tableView = ChatDiffTableView()
         tableView.coordinator = context.coordinator
 
@@ -220,6 +241,9 @@ struct SelectableDiffView: NSViewRepresentable {
     }
 
     func updateNSView(_ scrollView: NSScrollView, context: Context) {
+        if let nonScrolling = scrollView as? NonScrollingScrollView {
+            nonScrolling.scrollingEnabled = scrollable
+        }
         context.coordinator.updateData(lines: lines, fontSize: fontSize, fontFamily: fontFamily)
     }