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refactor(ai): improve error handling and stop reason types

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- Add 'aborted' as a distinct stop reason separate from 'error'
- Change AssistantMessage.error to errorMessage for clarity
- Update error event to include reason field ('error' | 'aborted')
- Map provider-specific safety/refusal reasons to 'error' stop reason
- Reorganize utility functions into utils/ directory
- Rename agent.ts to agent-loop.ts for better clarity
- Fix error handling in all providers to properly distinguish abort from error
This commit is contained in:
Mario Zechner
2025-09-18 19:57:13 +02:00
parent 293a6e878d
commit 2296dc4052
22 changed files with 703 additions and 139 deletions
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10
packages/ai/test/agent.test.ts
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@@ -1,5 +1,5 @@
import { describe, expect, it } from "vitest";
import { prompt } from "../src/agent/agent.js";
import { agentLoop } from "../src/agent/agent-loop.js";
import { calculateTool } from "../src/agent/tools/calculate.js";
import type { AgentContext, AgentEvent, PromptConfig } from "../src/agent/types.js";
import { getModel } from "../src/models.js";
@@ -42,7 +42,7 @@ async function calculateTest<TApi extends Api>(model: Model<TApi>, options: Opti
let finalAnswer: number | undefined;
// Execute the prompt
const stream = prompt(userPrompt, context, config);
const stream = agentLoop(userPrompt, context, config);
for await (const event of stream) {
events.push(event);
@@ -55,7 +55,7 @@ async function calculateTest<TApi extends Api>(model: Model<TApi>, options: Opti
case "turn_end":
console.log(`=== Turn ${turns} ended with ${event.toolResults.length} tool results ===`);
console.log(event.assistantMessage);
console.log(event.message);
break;
case "tool_execution_end":
@@ -188,7 +188,7 @@ async function abortTest<TApi extends Api>(model: Model<TApi>, options: OptionsF
let finalMessages: Message[] | undefined;
// Execute the prompt
const stream = prompt(userPrompt, context, config, abortController.signal);
const stream = agentLoop(userPrompt, context, config, abortController.signal);
// Abort after first tool execution
const abortPromise = (async () => {
@@ -222,7 +222,7 @@ async function abortTest<TApi extends Api>(model: Model<TApi>, options: OptionsF
// Should have executed 1 tool call before abort
expect(toolCallCount).toBeGreaterThanOrEqual(1);
expect(assistantMessage.stopReason).toBe("error");
expect(assistantMessage.stopReason).toBe("aborted");
return {
toolCallCount,