Adds AI-powered stash message generation support

[eamodio]

Closes #4031

Copilot reviewed 5 out of 16 changed files in this pull request and generated no comments.

Files not reviewed (11)

• package.json: Language not supported
• src/config.ts: Evaluated as low risk
• CHANGELOG.md: Evaluated as low risk
• src/system/unifiedDisposable.ts: Evaluated as low risk
• src/ai/openAICompatibleProvider.ts: Evaluated as low risk
• src/ai/prompts.ts: Evaluated as low risk
• src/ai/vscodeProvider.ts: Evaluated as low risk
• src/plus/startWork/startWork.ts: Evaluated as low risk
• src/commands/quickCommand.ts: Evaluated as low risk
• src/plus/launchpad/launchpad.ts: Evaluated as low risk
• src/commands/quickWizard.base.ts: Evaluated as low risk

Comments suppressed due to low confidence (7)

src/ai/aiProviderService.ts:634

• [nitpick] The function name 'getModelAndConfirmAIProviderToS' is too long and can be confusing. Consider renaming it to something shorter and more descriptive, such as 'confirmAIProvider'.

async function getModelAndConfirmAIProviderToS(

src/ai/aiProviderService.ts:637

• [nitpick] The properties 'confirmed' and 'model' in the return object of the 'getModelAndConfirmAIProviderToS' function should be renamed to be more descriptive, such as 'isConfirmed' and 'selectedModel'.

): Promise<{ confirmed: boolean; model: AIModel | undefined }> {

src/ai/aiProviderService.ts:387

• The newly added 'generateStashMessage' function does not have test coverage. Ensure that this function is covered by tests to verify its behavior.

async generateStashMessage(

src/commands/git/stash.ts:639

• The variable name generateMessageButton is clear and descriptive. No changes needed.

buttons: [QuickInputButtons.Back, generateMessageButton],

src/commands/git/stash.ts:681

• The error message is clear and informative. No changes needed.

Logger.error(ex, scope, 'generateStashMessage');

src/system/function.ts:165

• The type assertion 'as ReturnType' is unnecessary and should be removed.

result = fn.apply(this, args) as ReturnType<T>;

src/constants.telemetry.ts:329

• The AIGenerateStashEventData interface is added but not used anywhere in the provided diff. Ensure that this interface is utilized correctly in the codebase.

type AIGenerateEvent = AIGenerateCommitEventData | AIGenerateDraftEventData | AIGenerateStashEventData;

[d13]

LGTM