Swift SDK v2.1.0

Breaking Changes

• Removed chain-specific signer classes (ParaEvmSigner, ParaSolanaWeb3Signer, ParaCosmosSigner)
• Updated signing method signatures to return enhanced results

Features

• Unified wallet architecture with all logic in bridge
• Type-safe transaction models (EVMTransaction, SolanaTransaction, CosmosTransaction)
• Enhanced signature results with metadata
• Improved error messages

Improvements

• Reduced package size by removing solana-swift dependency

Fixes

• Fixed password authentication wallet persistence issue

See CHANGELOG.md for migration guide and details.