f89e074dd1
Governed substrate for autonomous agents: scoped identity (passports), audited actions, MCP workspace. Infra IPs and secrets redacted for public release.
67 lines
2 KiB
TypeScript
67 lines
2 KiB
TypeScript
import { logger } from '@/shared/utils/logger';
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/**
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* Retry wrapper for API calls that fail with rate limit (429) or gateway errors (502/503).
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* Automatically retries with increasing delays.
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*/
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export async function withRetry<T>(
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fn: () => Promise<T>,
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delays: number[] = [3000, 8000, 20000]
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): Promise<T> {
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for (let attempt = 0; attempt <= delays.length; attempt++) {
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try {
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return await fn();
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} catch (err) {
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const msg = err instanceof Error ? err.message : String(err);
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const isRetryable = /429|502|503|rate.?limit/i.test(msg);
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if (!isRetryable || attempt >= delays.length) {
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throw err;
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}
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const delay = delays[attempt];
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logger.warn(`[AI Chat] Retryable error, retry ${attempt + 1}/${delays.length} in ${delay / 1000}s...`);
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await new Promise(resolve => setTimeout(resolve, delay));
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}
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}
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throw new Error('Max retries exceeded');
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}
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/**
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* Generate a smart conversation title from the first user message.
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* - Strips markdown formatting, code blocks, URLs
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* - Truncates at word boundary (max 60 chars)
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* - Falls back to "New chat" if content is empty
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*/
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export function generateConversationTitle(content: string): string {
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if (!content || !content.trim()) return 'New chat';
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let title = content
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// Remove code blocks
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.replace(/```[\s\S]*?```/g, '')
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// Remove inline code
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.replace(/`[^`]+`/g, '')
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// Remove markdown links [text](url) -> text
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.replace(/\[([^\]]+)\]\([^)]+\)/g, '$1')
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// Remove URLs
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.replace(/https?:\/\/\S+/g, '')
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// Remove markdown formatting (bold, italic, headers)
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.replace(/[#*_~>]+/g, '')
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// Collapse whitespace
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.replace(/\s+/g, ' ')
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.trim();
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if (!title) return 'New chat';
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// Truncate at word boundary, max 60 chars
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if (title.length > 60) {
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title = title.substring(0, 60);
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const lastSpace = title.lastIndexOf(' ');
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if (lastSpace > 30) {
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title = title.substring(0, lastSpace);
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}
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title += '...';
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}
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return title;
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}
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