* refactor(vscode): use string type for api provider in proto
Replace the ApiProvider proto enum with plain string fields across\nmodels.proto and state.proto, and drop the enum<->string conversion\nmappings in api-configuration-conversion.ts. Updates ApiOptions and\nOpenAICompatible settings components accordingly.
* fix custom provider render
* format
* id
* remove extension providers file
* uses includes
Bee
83339c3c5a