Fix init-only mode for PostgreSQL deploy script imports.

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

app.py

@@ -543,7 +543,8 @@ def sync_ths_token():
     set_ths_refresh_token(get_setting("ths_refresh_token"))
 
 
-sync_ths_token()
+if os.getenv("QIHUO_INIT_ONLY") != "1":
+    sync_ths_token()
 
 
 def build_market_quote_payload(
@@ -2224,20 +2225,19 @@ def settings():
     )
 
 
-install_trading(
-    app,
-    login_required=login_required,
-    require_nav=require_nav,
-    get_db=get_db,
-    get_setting=get_setting,
-    set_setting=set_setting,
-    fetch_price=fetch_price,
-    send_wechat_msg=send_wechat_msg,
-)
-
-try_init_vnpy({})
-
-start_background_threads()
+if os.getenv("QIHUO_INIT_ONLY") != "1":
+    install_trading(
+        app,
+        login_required=login_required,
+        require_nav=require_nav,
+        get_db=get_db,
+        get_setting=get_setting,
+        set_setting=set_setting,
+        fetch_price=fetch_price,
+        send_wechat_msg=send_wechat_msg,
+    )
+    try_init_vnpy({})
+    start_background_threads()
 
 # —————————————— 启动 ——————————————