feat(instance): add exchange account ledger tab with SSE sync

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

lib/instance/instance_display_prefs_lib.py

@@ -9,6 +9,7 @@ DISPLAY_RUNTIME_PREFIX = "display."
 
 DEFAULT_INSTANCE_DISPLAY: dict[str, bool] = {
     "show_nav_dashboard": False,
+    "show_nav_account_ledger": False,
     "show_nav_key_monitor": True,
     "show_nav_trade": True,
     "show_nav_strategy": True,
@@ -30,6 +31,7 @@ DEFAULT_INSTANCE_DISPLAY: dict[str, bool] = {
 
 DISPLAY_LABELS: dict[str, str] = {
     "show_nav_dashboard": "数据看板",
+    "show_nav_account_ledger": "账户流水",
     "show_nav_key_monitor": "关键位监控",
     "show_nav_trade": "实盘下单",
     "show_nav_strategy": "策略交易",
@@ -51,6 +53,7 @@ DISPLAY_LABELS: dict[str, str] = {
 
 NAV_TAB_ALLOWED: dict[str, str] = {
     "dashboard": "show_nav_dashboard",
+    "account_ledger": "show_nav_account_ledger",
     "key_monitor": "show_nav_key_monitor",
     "trade": "show_nav_trade",
     "strategy": "show_nav_strategy",
@@ -116,6 +119,7 @@ def tab_allowed(tab: str, display: Optional[dict[str, bool]] = None) -> bool:
 def display_meta_for_ui() -> list[dict[str, Any]]:
     nav_keys = [
         "show_nav_dashboard",
+        "show_nav_account_ledger",
         "show_nav_key_monitor",
         "show_nav_trade",
         "show_nav_strategy",