daimon 0.16.0

A Rust-native AI agent framework
Documentation
## Summary

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## Related Issues

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## Changes

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## Test Plan

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- [ ] Unit tests added/updated
- [ ] Integration tests added/updated
- [ ] Manual testing performed (describe below)

## Checklist

- [ ] `cargo fmt --check` passes
- [ ] `cargo clippy --features full -- -D warnings` passes
- [ ] `cargo test --no-default-features` passes
- [ ] `cargo test --features full` passes
- [ ] Coverage ≥90% (`cargo llvm-cov --no-default-features --fail-under-lines 90`)
- [ ] Rustdoc added for all new public items
- [ ] CHANGELOG.md updated (if user-facing change)

## AI Disclosure

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- [ ] No AI tools were used in this PR
- [ ] AI tools were used (specify below)

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