refactor canonical components and remove slice 1

apps/web/src/index.css

@@ -6,8 +6,8 @@ body {
   min-height: 100%;
 }
 
-html.slice-one-viewport-lock,
-html.slice-one-viewport-lock body {
+html.workspace-viewport-lock,
+html.workspace-viewport-lock body {
   height: 100%;
   overflow: hidden;
   overscroll-behavior: none;
@@ -116,9 +116,9 @@ html.slice-one-viewport-lock body {
   color: var(--foreground);
 }
 
-.slice-one-surface .chat-markdown,
-.slice-one-surface .chat-reasoning,
-.slice-one-surface .thinking-line {
+.workspace-surface .chat-markdown,
+.workspace-surface .chat-reasoning,
+.workspace-surface .thinking-line {
   color: #232321;
 }