perf: add object pooling and enhanced metrics for streaming optimization

- Implement gRPC/shred connection pools for memory efficiency
- Add atomic processing time stats with auto-calibration clock
- Optimize event parsers and protocol handlers
- Refactor metrics system for advanced performance monitoring

src/streaming/event_parser/protocols/pumpswap/events.rs

@@ -366,11 +366,12 @@ impl_unified_event!(
 /// 全局配置
 #[derive(Clone, Debug, Default, PartialEq, Eq, Serialize, Deserialize, BorshDeserialize)]
 pub struct PumpSwapGlobalConfigAccountEvent {
+    #[borsh(skip)]
     pub metadata: EventMetadata,
-    pub pubkey: String,
+    pub pubkey: Pubkey,
     pub executable: bool,
     pub lamports: u64,
-    pub owner: String,
+    pub owner: Pubkey,
     pub rent_epoch: u64,
     pub global_config: GlobalConfig,
 }
@@ -379,11 +380,12 @@ impl_unified_event!(PumpSwapGlobalConfigAccountEvent,);
 /// 池
 #[derive(Clone, Debug, Default, PartialEq, Eq, Serialize, Deserialize, BorshDeserialize)]
 pub struct PumpSwapPoolAccountEvent {
+    #[borsh(skip)]
     pub metadata: EventMetadata,
-    pub pubkey: String,
+    pub pubkey: Pubkey,
     pub executable: bool,
     pub lamports: u64,
-    pub owner: String,
+    pub owner: Pubkey,
     pub rent_epoch: u64,
     pub pool: Pool,
 }

src/streaming/event_parser/protocols/pumpswap/types.rs

@@ -43,10 +43,10 @@ pub fn global_config_parser(
     if let Some(config) = global_config_decode(&account.data[8..GLOBAL_CONFIG_SIZE + 8]) {
         Some(Box::new(PumpSwapGlobalConfigAccountEvent {
             metadata,
-            pubkey: account.pubkey.to_string(),
+            pubkey: account.pubkey,
             executable: account.executable,
             lamports: account.lamports,
-            owner: account.owner.to_string(),
+            owner: account.owner,
             rent_epoch: account.rent_epoch,
             global_config: config,
         }))
@@ -88,10 +88,10 @@ pub fn pool_parser(
     if let Some(pool) = pool_decode(&account.data[8..POOL_SIZE + 8]) {
         Some(Box::new(PumpSwapPoolAccountEvent {
             metadata,
-            pubkey: account.pubkey.to_string(),
+            pubkey: account.pubkey,
             executable: account.executable,
             lamports: account.lamports,
-            owner: account.owner.to_string(),
+            owner: account.owner,
             rent_epoch: account.rent_epoch,
             pool: pool,
         }))