Show auto-transfer account and currency as selects with defaults.

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

lib/env/env_ui_manifest.py

@@ -103,10 +103,10 @@ _SHARED_SECTIONS: list[dict[str, Any]] = [
         "fields": [
             ("AUTO_TRANSFER_ENABLED", "启用自动划转", ""),
             ("AUTO_TRANSFER_AMOUNT", "目标余额(U)", "交易账户目标 USDT"),
-            ("AUTO_TRANSFER_FROM", "划出账户", "funding 或 swap"),
-            ("AUTO_TRANSFER_TO", "划入账户", "swap 或 funding"),
+            ("AUTO_TRANSFER_FROM", "划出账户", "余额不足时从此账户划入交易账户"),
+            ("AUTO_TRANSFER_TO", "划入账户", "目标余额所在账户,一般为 swap"),
             ("AUTO_TRANSFER_BJ_HOUR", "执行整点(北京时间)", ""),
-            ("TRANSFER_CCY", "划转币种", "默认 USDT"),
+            ("TRANSFER_CCY", "划转币种", ""),
         ],
     },
     {
@@ -200,6 +200,9 @@ _RUNTIME_ENV_DEFAULTS: dict[str, str] = {
     "RISK_MANUAL_CLOSE_DAILY_LIMIT": "2",
     "RISK_DAILY_LOSS_LIMIT": "2",
     "RISK_MOOD_ISSUES_DAILY_FREEZE": "true",
+    "AUTO_TRANSFER_FROM": "funding",
+    "AUTO_TRANSFER_TO": "swap",
+    "TRANSFER_CCY": "USDT",
     "HEDGE_PLAN_SHOW_PERP_OPTIONS": "true",
     "HEDGE_PLAN_SHOW_OPTIONS_OPTIONS": "true",
     "OKX_OPTIONS_CHAIN_ASK_LIQ_FILTER_ENABLED": "true",
@@ -214,7 +217,9 @@ _RUNTIME_ENV_DEFAULTS: dict[str, str] = {
 
 def _effective_env_value(key: str, file_values: dict[str, str], schema_default: str = "") -> str:
     if key in file_values:
-        return file_values[key]
+        file_val = str(file_values.get(key) or "").strip()
+        if file_val:
+            return file_val
     runtime = os.getenv(key)
     if runtime is not None and str(runtime).strip() != "":
         return str(runtime).strip()