feat: track_volume only when cashback; PumpSwap sell cashback use quote_mint ATA; sync IDL

- Pump/PumpSwap buy: track_volume OptionBool = Some(true) only when is_cashback_coin, else Some(false)
- PumpSwap sell cashback: use get_user_volume_accumulator_quote_ata(quote_mint) instead of WSOL-only ATA
- Sync idl/pump_amm.json, idl/pump_fees.json from pump-public-docs

Made-with: Cursor

src/instruction/utils/pumpswap.rs

@@ -262,7 +262,7 @@ pub fn get_user_volume_accumulator_pda(user: &Pubkey) -> Option<Pubkey> {
     )
 }
 
-/// WSOL ATA of UserVolumeAccumulator for Pump AMM (used for cashback remaining accounts).
+/// WSOL ATA of UserVolumeAccumulator for Pump AMM (buy cashback: remaining_accounts[0] 官方用 NATIVE_MINT).
 pub fn get_user_volume_accumulator_wsol_ata(user: &Pubkey) -> Option<Pubkey> {
     let accumulator = get_user_volume_accumulator_pda(user)?;
     Some(crate::common::fast_fn::get_associated_token_address_with_program_id_fast(
@@ -272,6 +272,20 @@ pub fn get_user_volume_accumulator_wsol_ata(user: &Pubkey) -> Option<Pubkey> {
     ))
 }
 
+/// Quote-mint ATA of UserVolumeAccumulator（sell cashback 时官方用 quoteMint，非固定 WSOL）.
+pub fn get_user_volume_accumulator_quote_ata(
+    user: &Pubkey,
+    quote_mint: &Pubkey,
+    quote_token_program: &Pubkey,
+) -> Option<Pubkey> {
+    let accumulator = get_user_volume_accumulator_pda(user)?;
+    Some(crate::common::fast_fn::get_associated_token_address_with_program_id_fast(
+        &accumulator,
+        quote_mint,
+        quote_token_program,
+    ))
+}
+
 pub fn get_global_volume_accumulator_pda() -> Option<Pubkey> {
     let seeds: &[&[u8]; 1] = &[&seeds::GLOBAL_VOLUME_ACCUMULATOR_SEED];
     let program_id: &Pubkey = &&accounts::AMM_PROGRAM;