release 0.2-alpha.2

[dwerner]

This PR revs Phaser to 0.2.0-alpha.2 and makes a pass over the sync/client surface to align the workspace and batching flow. It also updates the BatchWriter trait so finalization is async, which better matches the rest of the IO-heavy sync pipeline.
Key changes

Bumped workspace version to 0.2.0-alpha.2
Standardized crate metadata across workspace manifests
Switched phaser-query to use workspace dependency resolution for phaser-metrics
Updated BatchWriter::finalize to be async
Updated sync orchestration to await writer finalization
Restored and refined client query streaming helpers
Adjusted stream consumers to work with pinned async streams
Updated bridge test tooling and related call sites