fix(vscode): fix session action buttons to share one row

Remove data-full-width from buttons inside the flex row (it forced
width:100% overriding flex). Use flex:1 with min-width:fit-content
so they share the row and only wrap when genuinely too narrow.

packages/kilo-vscode/webview-ui/src/components/chat/ChatView.tsx

@@ -156,7 +156,6 @@ export const ChatView: Component<ChatViewProps> = (props) => {
                     <Button
                       variant="ghost"
                       size="small"
-                      data-full-width="true"
                       onClick={() => vscode.postMessage({ type: "openChanges" })}
                       aria-label={language.t("command.session.show.changes")}
                     >
@@ -168,7 +167,6 @@ export const ChatView: Component<ChatViewProps> = (props) => {
                     <Button
                       variant="ghost"
                       size="small"
-                      data-full-width="true"
                       disabled={transferring()}
                       onClick={() => {
                         const sid = id()

packages/kilo-vscode/webview-ui/src/styles/chat.css

@@ -182,9 +182,9 @@
   gap: 4px;
 }
 
-.session-actions-row > * {
-  flex: 1 1 auto;
-  min-width: 0;
+.session-actions-row > [data-component="button"] {
+  flex: 1 1 0;
+  min-width: fit-content;
 }
 
 /* ============================================