* Implement CosmosDB actor state storage. * Fix. * Minor fixes. * Fixes. * Make CosmosDB initialization be lazy. * Remove unnecessary read from write path. * Throw on empty writes. * Add arg validation for read. * Add CosmosIdSanitizer. * Fix. * Fix. * Simplify doc IDs. * Update comment. * fb * Make LazyCosmosContainer internal and add tests. * Make test constants public and remove IVT. * Use source generated JSON context for future nativeAOT support. * Re-add dropped comments.
- Remove Dictionary-derived types - Add an optional name to orchestrations - Make Handoffs based purely on AIAgent instances rather than separately provided names
* Clean up usage of JsonSerializerContext * review feedback
* Initial draft of actor runtime abstractions