Align instance dashboard with snapshot+SSE and options net PnL.

Only dashboard path changes: background snapshot, SSE refresh, smaller header type, options net PnL.

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

lib/instance/instance_dashboard_register.py

@@ -1,9 +1,9 @@
-"""注册 GET /api/instance/dashboard(三所共用)."""
+"""注册实例数据看板:快照 GET + SSE + 手动刷新(对齐中控)."""
 from __future__ import annotations
 
 from typing import Any, Callable, Optional
 
-from flask import Flask, jsonify
+from flask import Flask, Response, jsonify, stream_with_context
 
 
 def register_instance_dashboard_routes(
@@ -13,12 +13,12 @@ def register_instance_dashboard_routes(
     get_db: Callable,
     fetch_options_positions: Optional[Callable[[], list[dict[str, Any]]]] = None,
     hedge_enabled: bool = False,
+    enrich_orders: Optional[Callable[[list[dict[str, Any]]], list[dict[str, Any]]]] = None,
 ) -> None:
+    from lib.instance.instance_dashboard_cache import instance_dashboard_store
     from lib.instance.instance_dashboard_lib import build_instance_dashboard_payload
 
-    @app.route("/api/instance/dashboard")
-    @login_required
-    def api_instance_dashboard():
+    def _build() -> dict[str, Any]:
         conn = get_db()
         try:
             payload = build_instance_dashboard_payload(
@@ -26,6 +26,45 @@ def register_instance_dashboard_routes(
                 fetch_options_positions=fetch_options_positions,
                 hedge_enabled=bool(hedge_enabled),
             )
-            return jsonify(payload)
+            if callable(enrich_orders) and payload.get("ok") and isinstance(payload.get("orders"), dict):
+                items = list(payload["orders"].get("items") or [])
+                try:
+                    enriched = enrich_orders(items) or items
+                except Exception:
+                    enriched = items
+                payload["orders"]["items"] = enriched
+                payload["orders"]["count"] = len(enriched)
+            return payload
         finally:
             conn.close()
+
+    instance_dashboard_store.start(_build)
+
+    @app.route("/api/instance/dashboard")
+    @login_required
+    def api_instance_dashboard():
+        return jsonify(instance_dashboard_store.snapshot_dict())
+
+    @app.route("/api/instance/dashboard/stream")
+    @login_required
+    def api_instance_dashboard_stream():
+        return Response(
+            stream_with_context(instance_dashboard_store.iter_sse()),
+            mimetype="text/event-stream",
+            headers={
+                "Cache-Control": "no-cache",
+                "Connection": "keep-alive",
+                "X-Accel-Buffering": "no",
+            },
+        )
+
+    @app.route("/api/instance/dashboard/refresh", methods=["POST"])
+    @login_required
+    def api_instance_dashboard_refresh():
+        instance_dashboard_store.request_refresh()
+        return jsonify(
+            {
+                "ok": True,
+                "dashboard_version": instance_dashboard_store.version,
+            }
+        )