Add contextual teacher help entry and simplify consultation panel

src/pages/Chat/classroom-workspace.css

@@ -17,7 +17,11 @@
 .classroom-consultation-resizer { position: absolute; inset: 0 auto 0 -4px; width: 8px; z-index: 2; cursor: col-resize; }
 .classroom-consultation-resizer:hover, .classroom-consultation-resizer:focus-visible { background: #82986733; }
 .consultation-pane { background: #fafbf7; color: #434f3a; }
-.consultation-context { background: #f2f5ec; border-top: 1px solid #edf0e6; border-bottom: 1px solid #e7ecdf; color: #79866c; }
+.consultation-help-start { background: #e7eddc; color: #435836; }
+.consultation-help-start:hover:not(:disabled) { background: #dce6cd; }
+.consultation-help-again, .consultation-guided-help { color: #536747; }
+.consultation-help-again:hover:not(:disabled) { background: #edf2e5; }
+.consultation-pane button:focus-visible { outline: 2px solid #71845f; outline-offset: 3px; }
 .consultation-suggestion { border-color: #e0e6d6; color: #718163; }
 .consultation-suggestion:hover { border-color: #bac9aa; background: #f4f7ee; }
 .consultation-user { background: #eaf0e1; }
@@ -26,7 +30,6 @@
 .consult-icon { display: flex; flex-shrink: 0; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 6px; color: #8c9781; }
 .consult-icon:hover { background: #eaf0e1; color: #45563b; }
 .consultation-friend { background: #fcfaf6; color: #756347; }
-.consultation-friend .consultation-context { background: #f5f0e7; border-color: #eee7d9; color: #958162; }
 .consultation-friend .consultation-user { background: #f0e9db; }
 .consultation-friend .consultation-composer, .consultation-friend .consultation-suggestion { border-color: #e6ddca; }
 .consultation-friend .consultation-suggestion { color: #8b7657; }