2.0.1

Changes

• Update PeerConnectivity to 0.2.5 and resolve the Pure Swift networking stack through swift-libp2p 0.3.1, swift-crypto 4.5.4, and swift-ssl 0.1.4.
• Subscribe to peer connectivity events before session startup and preserve typed backend error context.
• Update TaskLocal closure isolation and transcript handling for Swift 6.4 while supporting both FoundationModels backends.
• Correct filesystem path normalization for traversal-sensitive permission rules.
• Pin CI and documentation builds to the Swift 6.4 development snapshot baseline.