fix(HEL-509): 四处已通过界面限域修补

- 情绪周期: 移除暗色模式下标题栏多余的背景色块，与其他页面一致
- 智能选股: 阶段选股/策略选股/自定义选股改为3个独立圆角按钮(复用control-surface/radius-md等token)；修复策略选股面板模块零间距穿模问题
- 问师: 顶部补齐与其他页面一致的留白，联系人列表/搜索/聊天区/输入区结构不变
- 系统配置: 复核后确认已在早期B-147阶段完成token化统一，未发现需改动项

同步重建 config/architecture-inventory.json 清单。

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

frontend/pages/screener/foundation.css

@@ -2287,8 +2287,6 @@ body[data-active-view="screenerView"] .workspace-view {
   box-shadow: none;
 
   overflow: visible;
-
-  gap: 16px;
 }
 
 :where(#screenerView) .curated-library-pane {
@@ -2546,7 +2544,7 @@ body[data-active-view="screenerView"] .workspace-view {
 
   flex: 0 0 auto;
 
-  gap: 2px;
+  gap: 8px;
 
   margin: 0px;
 
@@ -2566,11 +2564,11 @@ body[data-active-view="screenerView"] .workspace-view {
 
   padding: 0 14px;
 
-  border: 0px;
+  border: 1px solid var(--control-border);
 
-  border-radius: 0;
+  border-radius: var(--radius-md);
 
-  background: transparent;
+  background: var(--control-surface);
 
   color: var(--r2-sub);
 
@@ -2586,15 +2584,19 @@ body[data-active-view="screenerView"] .workspace-view {
 }
 
 #screenerView .screener-mode-tabs button:hover {
-  background: var(--surface-hover);
+  border-color: var(--r2-blue-line);
+
+  background: var(--control-hover);
 
   color: var(--r2-ink);
 }
 
 #screenerView .screener-mode-tabs button.active {
-  background: transparent;
+  border-color: var(--scr-blue);
 
-  color: var(--scr-blue);
+  background: var(--scr-blue);
+
+  color: var(--on-action);
 
   font-weight: var(--font-weight-semibold);
 }
@@ -3135,7 +3137,11 @@ body[data-active-view="screenerView"] .workspace-view {
 }
 
 #screenerView .curated-screener-panel {
-  display: block;
+  display: flex;
+
+  flex-direction: column;
+
+  gap: 10px;
 }
 
 #screenerView .curated-workspace {
@@ -6184,7 +6190,7 @@ body[data-active-view="screenerView"] .workspace-view {
   background: var(--surface-muted);
 }
 
-:root[data-theme="dark"] #screenerView :is(.screener-mode-tabs, .screener-stepper, .regime-selector, .regime-option, .screener-results-view, .result-toolbar) {
+:root[data-theme="dark"] #screenerView :is(.screener-stepper, .regime-selector, .regime-option, .screener-results-view, .result-toolbar) {
   border-color: var(--border);
 
   background: var(--surface);