v0.9.2 - Performance Optimization Release

[0.9.2] - 2026-01-22

Performance

• Arc::try_unwrap Pattern Across All Bindings: Eliminates unnecessary clones when Arc has unique ownership
  • Applied to Python, Ruby, PHP, and Node.js bindings for all RequestData fields
  • 30-40% reduction in FFI conversion overhead measured in Python bindings
  • Static singletons for empty collections in request_extraction.rs (shared Arc instances)
  • OnceLock caching optimizations in Python handler_request.rs (eliminated double-clone patterns)

Changed

• BREAKING: RequestData Value Fields Arc-Wrapped (Phase 2 Performance Optimization)
  • query_params: Value → query_params: Arc<Value> reduces per-request clones from 24-30 to 0-6
  • body: Value → body: Arc<Value> enables zero-copy when refcount is 1 via Arc::try_unwrap
  • validated_params: Option<Value> → validated_params: Option<Arc<Value>> maintains consistency
  • All RequestData construction sites updated across spikard-http crate
  • Test helpers and fixtures updated to wrap Value fields in Arc::new()
  • This is a pre-1.0 experimental breaking change; language bindings updated in this release

Fixed

• Ruby handler: Eliminated double-clone in validated_params handling (line 274)
• Ruby handler: Fixed raw body clone by using serde_json::from_slice directly
• PHP response: Changed with_cookies to use &mut self (PHP heap-allocated object constraint)
• All binding tests: Updated to match Arc-wrapped RequestData struct changes
• Clippy lints: Fixed ptr_cast_constness and unnecessary_option_map_or_else warnings