fix: keep exchange API only in env config, remove from system settings.

EOF

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

lib/instance/instance_settings_lib.py

@@ -187,8 +187,6 @@ def build_settings_tabs(display: dict[str, Any] | None, instance_settings: dict[
     disp = display or {}
     inst = instance_settings or {}
     tabs: list[dict[str, str]] = [{"key": "nav", "title": "导航显示"}]
-    if disp.get("show_settings_exchange_api", True):
-        tabs.append({"key": "exchange_api", "title": "交易所 API"})
     if disp.get("show_settings_password", True):
         tabs.append({"key": "password", "title": "账户密码"})
     if inst.get("show_transfer") and disp.get("show_settings_transfer", True):
@@ -211,14 +209,6 @@ def settings_page_context(page: str, *, instance_base_dir: str | None = None, **
     ctx: dict[str, Any] = {"instance_settings": build_instance_settings_view(**kwargs)}
     if p == "settings":
         ctx["settings_tabs"] = build_settings_tabs(display, ctx["instance_settings"])
-        if instance_base_dir:
-            from lib.env.env_ui_manifest import build_exchange_api_group
-
-            env_path = os.path.join(instance_base_dir, ".env")
-            example_path = os.path.join(instance_base_dir, ".env.example")
-            ctx["exchange_api_group"] = build_exchange_api_group(
-                exchange_key, example_path, env_path
-            )
     if p == "env_config" and instance_base_dir:
         from lib.env.env_ui_manifest import build_env_ui_payload