feat(hub): mobile AI one-screen and dashboard monitor counts

Fix mobile AI to scroll only in the chat area. Dashboard cards show monitor item counts with expand-to-fullscreen and color-coded position floating P&L.

manual_trading_hub/hub_ai/context.py

@@ -652,41 +652,32 @@ def format_account_remark(ac: dict) -> str:
     return "；".join(parts)
 
 
-def format_dashboard_account_lines(ac: dict) -> list[dict[str, Any]]:
-    """数据看板分户卡片：监控与持仓逐行展示（含浮盈亏数值供前端着色）。"""
-    lines: list[dict[str, Any]] = []
+def format_dashboard_account_detail(ac: dict) -> dict[str, Any]:
+    """数据看板分户卡片：监控仅数量，持仓逐行（含浮盈亏）。"""
     mon = ac.get("monitor_lines") or {}
-    for row in (mon.get("keys") or [])[:3]:
-        if row:
-            lines.append({"kind": "monitor", "text": str(row)})
-    for row in (mon.get("orders") or [])[:3]:
-        if row:
-            lines.append({"kind": "monitor", "text": str(row)})
-    for row in (mon.get("trends") or [])[:2]:
-        if row:
-            lines.append({"kind": "monitor", "text": str(row)})
-    for row in (mon.get("rolls") or [])[:2]:
-        if row:
-            lines.append({"kind": "monitor", "text": str(row)})
+    position_lines: list[dict[str, Any]] = []
     for p in _filter_open_positions(ac.get("positions") or []):
         sym = p.get("symbol") or "?"
         side = p.get("side") or "?"
         upnl = _position_float_pnl(p)
-        lines.append(
+        position_lines.append(
             {
                 "kind": "position",
                 "text": f"{sym} {side}",
                 "pnl": round(upnl, 4),
             }
         )
-    if not lines:
-        issues = ac.get("issues") or []
-        if issues:
-            for iss in issues[:3]:
-                lines.append({"kind": "issue", "text": str(iss)})
-        else:
-            lines.append({"kind": "empty", "text": "无"})
-    return lines
+    issues = [str(x) for x in (ac.get("issues") or [])[:3]]
+    return {
+        "monitor_counts": {
+            "keys": len(mon.get("keys") or []),
+            "orders": len(mon.get("orders") or []),
+            "trends": len(mon.get("trends") or []),
+            "rolls": len(mon.get("rolls") or []),
+        },
+        "position_lines": position_lines,
+        "issues": issues,
+    }
 
 
 def collect_closed_trades_snapshot(