fix(gate): align fund transfer between gate and gate_bot

- Extract shared gate_transfer_lib and global transfer form on all pages

- Block auto-transfer when trend pullback plans have open positions

- Redirect manual transfer back to the current page after submit

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

tests/test_gate_transfer_lib.py

@@ -0,0 +1,44 @@
+"""gate_transfer_lib 单元测试。"""
+from __future__ import annotations
+
+import sqlite3
+import unittest
+
+from gate_transfer_lib import count_auto_transfer_blockers
+
+
+class GateTransferLibTest(unittest.TestCase):
+    def test_counts_order_monitors_first(self):
+        conn = sqlite3.connect(":memory:")
+        conn.execute("CREATE TABLE order_monitors (status TEXT)")
+        conn.execute("CREATE TABLE trend_pullback_plans (status TEXT, first_order_done INTEGER)")
+        conn.execute("INSERT INTO order_monitors VALUES ('active')")
+        conn.execute("INSERT INTO trend_pullback_plans VALUES ('active', 1)")
+        conn.commit()
+        n = count_auto_transfer_blockers(conn, count_order_monitors=lambda c: 1)
+        self.assertEqual(n, 1)
+        conn.close()
+
+    def test_counts_trend_plan_when_no_order_monitors(self):
+        conn = sqlite3.connect(":memory:")
+        conn.execute("CREATE TABLE order_monitors (status TEXT)")
+        conn.execute("CREATE TABLE trend_pullback_plans (status TEXT, first_order_done INTEGER)")
+        conn.execute("INSERT INTO trend_pullback_plans VALUES ('active', 1)")
+        conn.commit()
+        n = count_auto_transfer_blockers(conn, count_order_monitors=lambda c: 0)
+        self.assertEqual(n, 1)
+        conn.close()
+
+    def test_ignores_trend_plan_without_first_order(self):
+        conn = sqlite3.connect(":memory:")
+        conn.execute("CREATE TABLE order_monitors (status TEXT)")
+        conn.execute("CREATE TABLE trend_pullback_plans (status TEXT, first_order_done INTEGER)")
+        conn.execute("INSERT INTO trend_pullback_plans VALUES ('active', 0)")
+        conn.commit()
+        n = count_auto_transfer_blockers(conn, count_order_monitors=lambda c: 0)
+        self.assertEqual(n, 0)
+        conn.close()
+
+
+if __name__ == "__main__":
+    unittest.main()