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;
 }

frontend/shared/shell.css

@@ -1294,7 +1294,9 @@ body.sidebar-collapsed {
 }
 
 .sidebar-brand {
-  min-height: 55px;
+  height: var(--size-topbar);
+
+  min-height: var(--size-topbar);
 
   display: flex;
 
@@ -1304,7 +1306,7 @@ body.sidebar-collapsed {
 
   margin: 0px -8px 7px;
 
-  padding: 0px 16px;
+  padding: 0 16px;
 
   border-bottom: 1px solid var(--r2-line-soft);
 
@@ -2146,13 +2148,17 @@ body.sidebar-collapsed .status-bar {
 }
 
 .module-nav .sidebar-brand {
+  height: var(--size-topbar);
+
+  min-height: var(--size-topbar);
+
   display: flex;
 
   align-items: center;
 
   gap: 8px;
 
-  padding: 14px 16px;
+  padding: 0 16px;
 
   border-bottom: 1px solid var(--line-soft);
 }
@@ -3494,7 +3500,7 @@ body.sidebar-collapsed .status-bar {
   flex: 0 0 auto;
   align-items: center;
   gap: var(--header-action-gap);
-  margin-left: 0;
+  margin-left: auto;
   overflow: visible;
 }