Enhance MCPAgent to support both native executables and WASM modules using Wazero. This includes:
- Adding Wazero dependencies in go.mod and go.sum.
- Modifying MCPAgent to initialize a shared Wazero runtime and compile/load WASM modules.
- Implementing cleanup logic for WASM resources.
- Updating the process initialization to handle both native and WASM paths.
This change improves the flexibility of the MCPAgent in handling different server types.