feat: refactor seed optimization to global configuration in v3.2.0

- Remove open_seed_optimize parameter from TradeBuyParams and TradeSellParams structs
- Add global use_seed_optimize configuration in TradeConfig with default value true
- Add create_wsol_ata_on_startup configuration in TradeConfig with default value true
- Implement automatic WSOL ATA creation and verification on SDK initialization
- Add with_wsol_ata_config() builder method to TradeConfig for custom WSOL settings
- Update all examples to remove open_seed_optimize parameter usage
- Update documentation (README, TRADING_PARAMETERS) to reflect new configuration approach
- Upgrade package version from 3.1.7 to 3.2.0

Breaking Changes:
- open_seed_optimize parameter removed from trade parameters (now global setting)
- Seed optimization is now enabled by default for all operations

src/trading/common/wsol_manager.rs

@@ -68,3 +68,27 @@ pub fn create_wsol_ata(payer: &Pubkey) -> Vec<Instruction> {
         &crate::constants::TOKEN_PROGRAM,
     )
 }
+
+/// 只充值SOL到已存在的WSOL ATA（不创建账户）- 标准方式
+#[inline]
+pub fn wrap_sol_only(payer: &Pubkey, amount_in: u64) -> SmallVec<[Instruction; 2]> {
+    let wsol_token_account =
+        crate::common::fast_fn::get_associated_token_address_with_program_id_fast(
+            &payer,
+            &crate::constants::WSOL_TOKEN_ACCOUNT,
+            &crate::constants::TOKEN_PROGRAM,
+        );
+
+    let mut insts = SmallVec::<[Instruction; 2]>::new();
+    insts.extend([
+        transfer(&payer, &wsol_token_account, amount_in),
+        // sync_native
+        Instruction {
+            program_id: crate::constants::TOKEN_PROGRAM,
+            accounts: vec![AccountMeta::new(wsol_token_account, false)],
+            data: vec![17],
+        },
+    ]);
+
+    insts
+}