Use absolute coin counts in perp-options points mode.

Treat 2:4 as 2 perp + 4 option coins instead of normalizing to 1:2, and disable embed page caching so hub iframe picks up trade UI updates.

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

lib/instance/instance_embed_lib.py

@@ -7,7 +7,7 @@ import os
 from typing import Callable
 from urllib.parse import parse_qsl, urlencode, urlsplit
 
-from flask import Flask, Response, jsonify, redirect, request, session
+from flask import Flask, Response, jsonify, make_response, redirect, request, session
 from jinja2 import ChoiceLoader, FileSystemLoader
 
 EMBED_TABS: tuple[str, ...] = (
@@ -184,7 +184,10 @@ def register_embed_routes(
         if tab not in EMBED_TABS:
             tab = "trade"
         session["hub_embed_shell"] = True
-        return render_main_page_fn(tab, embed_mode="shell")
+        resp = make_response(render_main_page_fn(tab, embed_mode="shell"))
+        resp.headers["Cache-Control"] = "no-store, no-cache, must-revalidate, max-age=0"
+        resp.headers["Pragma"] = "no-cache"
+        return resp
 
     @login_required
     @app.route("/api/embed/page/<tab>")
@@ -198,7 +201,10 @@ def register_embed_routes(
         html = render_main_page_fn(tab, embed_mode="fragment")
         if isinstance(html, Response):
             html = html.get_data(as_text=True)
-        return jsonify({"ok": True, "page": tab, "html": html})
+        resp = jsonify({"ok": True, "page": tab, "html": html})
+        resp.headers["Cache-Control"] = "no-store, no-cache, must-revalidate, max-age=0"
+        resp.headers["Pragma"] = "no-cache"
+        return resp
 
 
 def pwa_app_name(exchange_key: str) -> str:

lib/instance/templates/embed_shell.html

@@ -168,7 +168,7 @@ window.__INSTANCE_DISPLAY__ = {{ display | tojson }};
 </script>
 <script src="/static/instance_settings_prefs.js?v=16"></script>
 <script src="/static/instance_live.js?v=6"></script>
-<script src="/static/instance_embed.js?v=29"></script>
+<script src="/static/instance_embed.js?v=30"></script>
 <script src="/static/instance_mobile_nav.js?v=2"></script>
 </body>
 </html>