refactor(llms): split AbortError out of InvokeError

packages/llms/src/OpenAIClient.ts

@@ -25,8 +25,7 @@ export class OpenAIClient implements LLMClient {
 		abortSignal?: AbortSignal,
 		options?: InvokeOptions
 	): Promise<InvokeResult> {
-		// in case user aborted before invoking
-		if (abortSignal?.aborted) throw new InvokeError(InvokeErrorTypes.ABORTED, 'Aborted')
+		abortSignal?.throwIfAborted()
 
 		// 1. Convert tools to OpenAI format
 		const openaiTools = Object.entries(tools).map(([name, t]) => zodToOpenAITool(name, t))
@@ -73,9 +72,7 @@ export class OpenAIClient implements LLMClient {
 				signal: abortSignal,
 			})
 		} catch (error: unknown) {
-			if ((error as any)?.name === 'AbortError') {
-				throw new InvokeError(InvokeErrorTypes.ABORTED, 'Aborted', error)
-			}
+			if ((error as any)?.name === 'AbortError') throw error
 			console.error(error)
 			throw new InvokeError(InvokeErrorTypes.NETWORK_ERROR, 'Network request failed', error)
 		}
@@ -217,9 +214,7 @@ export class OpenAIClient implements LLMClient {
 		try {
 			toolResult = await tool.execute(toolInput)
 		} catch (error: unknown) {
-			if ((error as any)?.name === 'AbortError') {
-				throw new InvokeError(InvokeErrorTypes.ABORTED, 'Aborted', error)
-			}
+			if ((error as any)?.name === 'AbortError') throw error
 			throw new InvokeError(
 				InvokeErrorTypes.TOOL_EXECUTION_ERROR,
 				`Tool execution failed: ${(error as Error)?.message}`,

packages/llms/src/errors.ts

@@ -1,5 +1,5 @@
 /**
- * Error types and error handling for LLM invocations
+ * Error types and error handling for LLM invocations.
  */
 
 export const InvokeErrorTypes = {
@@ -14,7 +14,6 @@ export const InvokeErrorTypes = {
 	UNKNOWN: 'unknown',
 
 	// Non-retryable
-	ABORTED: 'aborted', // User aborted via AbortSignal — instance has name='AbortError'
 	CONFIG_ERROR: 'config_error', // Invalid local configuration or hook
 	AUTH_ERROR: 'auth_error', // Authentication failed
 	CONTEXT_LENGTH: 'context_length', // Prompt too long
@@ -44,9 +43,7 @@ export class InvokeError extends Error {
 
 	constructor(type: InvokeErrorType, message: string, rawError?: unknown, rawResponse?: unknown) {
 		super(message)
-		// ABORTED conforms to the web platform convention so any consumer using
-		// `err.name === 'AbortError'` (including native DOMException handlers) Just Works.
-		this.name = type === InvokeErrorTypes.ABORTED ? 'AbortError' : 'InvokeError'
+		this.name = 'InvokeError'
 		this.type = type
 		this.retryable = RETRYABLE_TYPES.includes(type)
 		this.rawError = rawError

packages/llms/src/index.ts

@@ -78,6 +78,7 @@ async function withRetry<T>(
 		try {
 			return await fn()
 		} catch (error: unknown) {
+			if ((error as any)?.name === 'AbortError') throw error
 			if (error instanceof InvokeError && !error.retryable) throw error
 			attempt++
 			if (attempt > settings.maxRetries) throw error