Merge commit 'd803bfe2b1fe7f5e219e50ac20d6801a0a58ac75' as 'vendor/ruvector'

vendor/ruvector/crates/rvf/rvf-federation/src/lib.rs

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+//! Federated RVF transfer learning.
+//!
+//! This crate implements the federation protocol described in ADR-057:
+//! - **PII stripping**: Three-stage pipeline (detect, redact, attest)
+//! - **Differential privacy**: Gaussian/Laplace noise, RDP accountant, gradient clipping
+//! - **Federation protocol**: Export builder, import merger, version-aware conflict resolution
+//! - **Federated aggregation**: FedAvg, FedProx, Byzantine-tolerant weighted averaging
+//! - **Segment types**: FederatedManifest, DiffPrivacyProof, RedactionLog, AggregateWeights
+
+pub mod types;
+pub mod error;
+pub mod pii_strip;
+pub mod diff_privacy;
+pub mod federation;
+pub mod aggregate;
+pub mod policy;
+
+pub use types::*;
+pub use error::FederationError;
+pub use pii_strip::PiiStripper;
+pub use diff_privacy::{DiffPrivacyEngine, PrivacyAccountant};
+pub use federation::{ExportBuilder, ImportMerger};
+pub use aggregate::{FederatedAggregator, AggregationStrategy};
+pub use policy::FederationPolicy;