feat(hub): auto-mark all archive trades on chart

Add 自动 toggle on archive chart; when on, load history span for all trades and plot numbered open/close arrows for each.

Co-authored-by: Cursor <cursoragent@cursor.com>

manual_trading_hub/static/app.css

@@ -3972,6 +3972,9 @@ body.hub-page-ai #page-ai {
   border-color: var(--accent);
   background: color-mix(in srgb, var(--accent) 12%, transparent);
 }
+.archive-chart-wrap {
+  position: relative;
+}
 .archive-chart-host {
   height: 360px;
   min-height: 280px;
@@ -3980,6 +3983,30 @@ body.hub-page-ai #page-ai {
   background: var(--panel);
   overflow: hidden;
 }
+.archive-mark-auto {
+  position: absolute;
+  right: 8px;
+  bottom: 10px;
+  z-index: 5;
+  padding: 4px 10px;
+  font-size: 0.72rem;
+  font-family: var(--font);
+  border-radius: 6px;
+  border: 1px solid var(--border-soft);
+  background: var(--chart-bar-bg, var(--inset-surface));
+  color: var(--muted);
+  cursor: pointer;
+  line-height: 1.2;
+}
+.archive-mark-auto:hover {
+  border-color: var(--accent);
+  color: var(--text);
+}
+.archive-mark-auto.is-on {
+  color: #22c55e;
+  border-color: rgba(34, 197, 94, 0.45);
+  background: rgba(34, 197, 94, 0.1);
+}
 .archive-trades {
   overflow: auto;
   max-height: 280px;