Add responsive mobile layout, records cards, and tablet settings fold fix.

Mobile gets compact trade/records UI with detail modals; static assets are cache-busted and settings cards fold correctly on tablet grid layout.

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

app.py

@@ -218,11 +218,45 @@ def require_nav(key: str):
     return decorator
 
 
+def _static_asset_v() -> str:
+    base = os.path.dirname(os.path.abspath(__file__))
+    rels = (
+        "static/js/trade.js",
+        "static/js/orientation.js",
+        "static/css/records.css",
+        "static/js/records.js",
+        "static/js/settings.js",
+        "static/css/mobile.css",
+        "static/css/responsive.css",
+        "static/css/trade.css",
+        "static/css/base.css",
+    )
+    mtimes = []
+    for rel in rels:
+        path = os.path.join(base, rel.replace("/", os.sep))
+        if os.path.isfile(path):
+            mtimes.append(os.path.getmtime(path))
+    return str(int(max(mtimes))) if mtimes else "0"
+
+
+def _ua_is_phone(ua: str) -> bool:
+    ua_l = (ua or "").lower()
+    if "ipad" in ua_l:
+        return False
+    if "android" in ua_l and "mobile" not in ua_l:
+        return False
+    if any(x in ua_l for x in ("iphone", "ipod", "windows phone", "iemobile")):
+        return True
+    if "android" in ua_l and "mobile" in ua_l:
+        return True
+    if "mobile" in ua_l or "harmonyos" in ua_l or "openharmony" in ua_l:
+        return True
+    return False
+
+
 @app.context_processor
 def inject_globals():
-    trade_js = os.path.join(os.path.dirname(os.path.abspath(__file__)), "static", "js", "trade.js")
-    asset_v = str(int(os.path.getmtime(trade_js))) if os.path.isfile(trade_js) else "0"
-    return {"nav_items": get_nav_items(get_setting), "asset_v": asset_v}
+    return {"nav_items": get_nav_items(get_setting), "asset_v": _static_asset_v()}
 
 
 def _trading_mode() -> str:
@@ -755,8 +789,18 @@ def index():
 
 @app.route("/manifest.webmanifest")
 def web_manifest():
-    response = app.send_static_file("manifest.json")
+    import json
+
+    manifest_path = os.path.join(app.static_folder, "manifest.json")
+    with open(manifest_path, encoding="utf-8") as fh:
+        data = json.load(fh)
+    if _ua_is_phone(request.headers.get("User-Agent", "")):
+        data["orientation"] = "portrait-primary"
+    else:
+        data["orientation"] = "any"
+    response = app.make_response(json.dumps(data, ensure_ascii=False))
     response.mimetype = "application/manifest+json"
+    response.headers["Cache-Control"] = "no-cache"
     return response