Finalize LM API (#263415)

* Finalize BYOK API

* More byok

* Fix compile errors

* Feedback

* Fix fat fingering

* Fix capabilities

* Bump version

* Rename contrib point + activation events

* Update test

* Add proposed api check to require authorization

* Change comment

extensions/vscode-api-tests/src/singlefolder-tests/chat.test.ts

@@ -25,7 +25,8 @@ suite('chat', () => {
 					maxInputTokens: 100,
 					maxOutputTokens: 100,
 					isDefault: true,
-					isUserSelectable: true
+					isUserSelectable: true,
+					capabilities: {}
 				}];
 			},
 			async provideLanguageModelChatResponse(_model, _messages, _options, _progress, _token) {