施工(HEL-183): 问天工具行右对齐并统一 logo/收起/问师顶距与页头签

恢复顶栏工具行 margin-left:auto，问天隐藏行情条后仍靠右；logo 区与收起按钮对齐顶栏/状态条高度；问师恢复页顶 14px；问天三签改用全站 segmented 页头。

Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: multica-agent <github@multica.ai>

frontend/shared/components/controls.css

@@ -660,7 +660,9 @@ body.sidebar-collapsed .sidebar-collapse-button .lucide {
 
   text-align: left;
 
-  min-height: 38px;
+  height: var(--size-statusbar);
+
+  min-height: var(--size-statusbar);
 
   display: flex;
 
@@ -670,7 +672,7 @@ body.sidebar-collapsed .sidebar-collapse-button .lucide {
 
   margin: auto -8px -8px;
 
-  padding: 10px 16px;
+  padding: 0 16px;
 
   border-right: 0px;
 
@@ -691,6 +693,12 @@ body.sidebar-collapsed .sidebar-collapse-button .lucide {
   font-size: 12px;
 }
 
+.sidebar-collapse-button .lucide {
+  width: 14px;
+
+  height: 14px;
+}
+
 body.sidebar-collapsed .sidebar-collapse-button span {
   display: none;
 }