refactor: align drift query CLI with shared protobuf schemas

[jy-tan]

Summary

Align tusk drift query with the shared protobuf query contract so the CLI sends the same request shape as the backend and MCP while still accepting ergonomic user input.

Changes

• Switch the drift query request/types layer to generated protobuf-backed types from tusk-drift-schemas
• Serialize drift query requests with protojson and enum numbers so CLI payloads match the backend's protobuf JSON contract
• Update --where parsing and convenience flag builders to the new recursive WhereClause / fields shape, including normalization of ergonomic access enums like castAs: "int" and decode: "base64"
• Update subcommands to use enum-backed parsing for order-by, aggregate metrics/grouping/time buckets, payload options, and spans-by-ids field selection
• Remove the old jsonb-filters CLI path in favor of the unified protobuf-driven where structure
• Bump github.com/Use-Tusk/tusk-drift-schemas to released version v0.1.33 and add coverage for --where enum normalization

[cubic-dev-ai]

No issues found across 12 files