Add comprehensive documentation for the SSE stream termination fix:
- Problem analysis and root cause
- Step-by-step solution with code examples
- Security considerations (__debug__ vulnerability)
- Code simplification recommendations
- Prevention strategies and best practices
- Testing and monitoring guidelines
Location: docs/solutions/runtime-errors/sse-mcp-tool-error-handling.md
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
