* Add Chat content 'vulnerabilities' to chat response stream
* Remove 'report' chat progress API and more cleanup
* Remove ChatProgress entirely
* Get participant detection into the new stream as well
* Reduce chat provider usage
* Clear out IChat props
* Delete interactive session provider API
* Totally remove static chat provider registration
* Clean up onDidRegisterProvider events
* Remove provider ID references from model
* Eliminate many 'providerId' references
* Simplify view registration
* Clean up participant-specific actions
* Delete getProviderInfos
* Rename context key
* Fix tests
* Fix action label
* Fix view title
* Fix test
* Fix test
* Fix integration test
* Remove more providerId
* Add API stub to make this compatible with the existing Copilot Chat
* Enable duplicate chat participant names
#208103
* Register participants with an ID
* Update participant history in API
* Changes to dupe chat suggest widget, and fix serialize/deserialize
* Tweaks
* Test fixes
* Fix tests
* Test fixes
* Fix integration test
* Update paste and drop proposals
Reworks the document paste and drop API proposals. Main highlights:
- Align more with code action api
- Allow a single paste provider to return multiple edits
- Allow resolving applied edits lazily
- Switch from using ids to scoped kinds like used for code actions
* Adding paste context
* Add context
* Update test
* api - use `LanguageModelChat` prefix for messages and response, add todos
* update todos, tweak how `chatRequest` errors, remove `LanguageModelChatResponse#result`
* api - refine language model access
removes `requestLanguageModelAccess`,
removes `LanguageModelChatResponse#result`,
adds `LanguageModelChatRequestOptions`,
refines how errors happen when making a chat request
* use `throw` over Promise.reject
* don't error from `_getAuthAccess`, polish error messages
* rename to `sendChatRequest`
* Tweak ChatFollowup
* Remove API TODOs
* New proposal for chat variable resolver
* Bump distro
* Enforce same-extension followup
* Add participant proposal to integration test folder
* Allow no participant for a followup
* Start renaming chat API from "agent" to "participant"
* Rename the rest of the API
* Rename in integration test
* Update integration test api proposals
* Bump distro
* api - remove unused types, add jsdoc, make request handler setable (for consistency), more readonly usage
https://github.com/microsoft/vscode/issues/199908
* remove ChatMessage and Role
* fix a ton of compile errors...
* jsdoc
