- Removed `bufpool` usage throughout `tag`, `tags`, and `event` packages for memory efficiency.
- Replaced in-place buffer modifications with independent, deep-copied allocations to prevent unintended mutations.
- Added new `Clone` method for deep copying `event.E`.
- Ensured valid JSON emission for nil `Tags` in `event` marshaling.
- Introduced `cmd/stresstest` for relay stress-testing with detailed workload generation and query simulation.
mleku