Release v3.5.0: performance, constants, bilingual docs

- Bump version to 3.5.0
- Performance: hot-path timing only when log_enabled/simulate; execute_parallel takes &[Arc<SwqosClient>]; shared HTTP client constants for SWQoS
- Code quality: validate_protocol_params extracted for buy/sell; BYTES_PER_ACCOUNT, MAX_INSTRUCTIONS_WARN, HTTP timeout constants; prefetch/syscall bypass comments
- Documentation: bilingual (EN + 中文) doc comments in execution, executor, perf, swqos; README/README_CN version and What's new in 3.5.0
- Add release_notes_v3.5.0.md

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

src/perf/compiler_optimization.rs

@@ -140,7 +140,7 @@ impl CompilerOptimizer {
     
     /// 🚀 生成超高性能编译配置
     pub fn generate_ultra_performance_config(&self) -> Result<CompilerConfig> {
-        log::info!("🚀 Generating ultra-performance compiler configuration...");
+        tracing::info!(target: "sol_trade_sdk","🚀 Generating ultra-performance compiler configuration...");
         
         let mut rustflags = Vec::new();
         
@@ -206,7 +206,7 @@ impl CompilerOptimizer {
             cargo_config: self.generate_cargo_config(),
         };
         
-        log::info!("✅ Ultra-performance compiler configuration generated");
+        tracing::info!(target: "sol_trade_sdk","✅ Ultra-performance compiler configuration generated");
         Ok(config)
     }