band-sdk: v4.0.0

4.0.0 (2026-10-01)

⚠ BREAKING CHANGES

• adapters no longer accept their settings as flat keyword arguments; pass an XAdapterConfig. Deprecated aliases are gone: Anthropic/Gemini api_key and prompt (use provider_key and custom_section), and CrewAI system_prompt (use backstory).

Bug Fixes

• band-mcp: leave the band-client-rest pin to band-sdk (#718) (70ce454)

Code Refactoring

• build every adapter from one typed config (#695) (d581db7)