Python: [BREAKING]: Introducing Options as TypedDict and Generic (#3140)
* WIP typeddict for options
* updated all clients and ChatAgents
* updated everything
* added ADR
* fix mypy
* proper typevar imports
* fixed import
* fixed other imports
* slight update in the sample
* updated from feedback
* fixes
* fixed missing covariants and test fixes
* fixed typing
* updated anthropic thinking config
* ruff fixes
* fixed int tests
* fix tests and mypy
* updated integration tests
* updated docstring and test fix
* improved options handling in obser
* mypy fix
* updated a host of integration tests
* fix tests
* bedrock fix