- Updated trace ID validation in `TestEnterStack_RootCreation` to ensure it is at least 8 digits long.
- Changed import path for the trace package in `stack.go` for consistency.
- Removed the entire `manager.go`, `node.go`, `space.go`, `subscription.go`, `trace.go`, `local/driver.go`, `store/driver.go`, and related types and events files to streamline the trace package, focusing on essential functionality.
- Updated Stream and Run methods in the Assistant to use pointer receivers for context, enhancing performance and clarity.
- Introduced stack management in context handling, including initialization and cleanup of stack references.
- Enhanced the Release method in Context to ensure proper cleanup of resources, including stacks and writer references.
- Added new stack status constants and validation to improve traceability and error handling in agent operations.
- Removed the obsolete JavaScript API file to streamline the codebase.
