489 lines
16 KiB
TypeScript
489 lines
16 KiB
TypeScript
/**
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* Invoice extraction test using MiniCPM-V via smartagent DualAgentOrchestrator
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*
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* Uses vision-capable orchestrator with JsonValidatorTool for self-validation:
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* 1. Pass images to the orchestrator
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* 2. Driver extracts invoice data and validates JSON before completing
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* 3. If validation fails, driver retries within the same task
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*/
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import { tap, expect } from '@git.zone/tstest/tapbundle';
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import * as fs from 'fs';
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import * as path from 'path';
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import { execSync } from 'child_process';
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import * as os from 'os';
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import { ensureMiniCpm } from './helpers/docker.js';
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import { SmartAi } from '@push.rocks/smartai';
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import { DualAgentOrchestrator, JsonValidatorTool } from '@push.rocks/smartagent';
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const OLLAMA_URL = 'http://localhost:11434';
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const MODEL = 'openbmb/minicpm-v4.5:q8_0';
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interface IInvoice {
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invoice_number: string;
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invoice_date: string;
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vendor_name: string;
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currency: string;
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net_amount: number;
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vat_amount: number;
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total_amount: number;
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}
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// SmartAi instance and orchestrator (initialized in setup)
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let smartAi: SmartAi;
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let orchestrator: DualAgentOrchestrator;
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/**
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* Convert PDF to PNG images using ImageMagick
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*/
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function convertPdfToImages(pdfPath: string): string[] {
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const tempDir = fs.mkdtempSync(path.join(os.tmpdir(), 'pdf-convert-'));
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const outputPattern = path.join(tempDir, 'page-%d.png');
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try {
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execSync(
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`convert -density 300 -quality 95 "${pdfPath}" -background white -alpha remove "${outputPattern}"`,
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{ stdio: 'pipe' }
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);
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const files = fs.readdirSync(tempDir).filter((f) => f.endsWith('.png')).sort();
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const images: string[] = [];
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for (const file of files) {
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const imagePath = path.join(tempDir, file);
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const imageData = fs.readFileSync(imagePath);
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images.push(imageData.toString('base64'));
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}
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return images;
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} finally {
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fs.rmSync(tempDir, { recursive: true, force: true });
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}
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}
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const EXTRACTION_PROMPT = `Extract invoice data from the provided image(s).
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IMPORTANT: You must output a valid JSON object with these exact fields:
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{
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"invoice_number": "the invoice number (not VAT ID, not customer ID)",
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"invoice_date": "YYYY-MM-DD format",
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"vendor_name": "company that issued the invoice",
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"currency": "EUR, USD, or GBP",
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"net_amount": 0.00,
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"vat_amount": 0.00,
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"total_amount": 0.00
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}
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Before completing, use the json.validate tool to verify your output is valid JSON with all required fields.
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<tool_call>
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<tool>json</tool>
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<action>validate</action>
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<params>{"jsonString": "YOUR_JSON_HERE", "requiredFields": ["invoice_number", "invoice_date", "vendor_name", "currency", "net_amount", "vat_amount", "total_amount"]}</params>
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</tool_call>
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Only complete the task after validation passes. Output the final JSON in <task_complete> tags.`;
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/**
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* Parse amount from string (handles European format)
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*/
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function parseAmount(s: string | number | undefined): number {
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if (s === undefined || s === null) return 0;
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if (typeof s === 'number') return s;
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const match = s.match(/([\d.,]+)/);
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if (!match) return 0;
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const numStr = match[1];
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// Handle European format: 1.234,56 → 1234.56
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const normalized = numStr.includes(',') && numStr.indexOf(',') > numStr.lastIndexOf('.')
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? numStr.replace(/\./g, '').replace(',', '.')
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: numStr.replace(/,/g, '');
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return parseFloat(normalized) || 0;
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}
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/**
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* Extract invoice number from potentially verbose response
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*/
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function extractInvoiceNumber(s: string | undefined): string {
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if (!s) return '';
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let clean = s.replace(/\*\*/g, '').replace(/`/g, '').trim();
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const patterns = [
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/\b([A-Z]{2,3}\d{10,})\b/i, // IEE2022006460244
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/\b([A-Z]\d{8,})\b/i, // R0014359508
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/\b(INV[-\s]?\d{4}[-\s]?\d+)\b/i, // INV-2024-001
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/\b(\d{7,})\b/, // 1579087430
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];
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for (const pattern of patterns) {
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const match = clean.match(pattern);
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if (match) return match[1];
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}
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return clean.replace(/[^A-Z0-9-]/gi, '').trim() || clean;
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}
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/**
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* Extract date (YYYY-MM-DD) from response
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*/
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function extractDate(s: string | undefined): string {
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if (!s) return '';
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let clean = s.replace(/\*\*/g, '').replace(/`/g, '').trim();
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const isoMatch = clean.match(/(\d{4}-\d{2}-\d{2})/);
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if (isoMatch) return isoMatch[1];
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// Try DD/MM/YYYY or DD.MM.YYYY
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const dmyMatch = clean.match(/(\d{1,2})[\/.](\d{1,2})[\/.](\d{4})/);
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if (dmyMatch) {
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return `${dmyMatch[3]}-${dmyMatch[2].padStart(2, '0')}-${dmyMatch[1].padStart(2, '0')}`;
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}
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return clean.replace(/[^\d-]/g, '').trim();
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}
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/**
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* Extract currency
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*/
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function extractCurrency(s: string | undefined): string {
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if (!s) return 'EUR';
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const upper = s.toUpperCase();
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if (upper.includes('EUR') || upper.includes('€')) return 'EUR';
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if (upper.includes('USD') || upper.includes('$')) return 'USD';
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if (upper.includes('GBP') || upper.includes('£')) return 'GBP';
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return 'EUR';
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}
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/**
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* Extract JSON from response (handles markdown code blocks and task_complete tags)
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*/
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function extractJsonFromResponse(response: string): Record<string, unknown> | null {
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// Try to find JSON in task_complete tags
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const completeMatch = response.match(/<task_complete>([\s\S]*?)<\/task_complete>/);
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if (completeMatch) {
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const content = completeMatch[1].trim();
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// Try to find JSON in the content
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const codeBlockMatch = content.match(/```(?:json)?\s*([\s\S]*?)```/);
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const jsonStr = codeBlockMatch ? codeBlockMatch[1].trim() : content;
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try {
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return JSON.parse(jsonStr);
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} catch {
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// Try to find JSON object pattern
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const jsonMatch = jsonStr.match(/\{[\s\S]*\}/);
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if (jsonMatch) {
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try {
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return JSON.parse(jsonMatch[0]);
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} catch {
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return null;
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}
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}
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}
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}
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// Try to find JSON in markdown code block
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const codeBlockMatch = response.match(/```(?:json)?\s*([\s\S]*?)```/);
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const jsonStr = codeBlockMatch ? codeBlockMatch[1].trim() : response.trim();
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try {
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return JSON.parse(jsonStr);
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} catch {
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// Try to find JSON object pattern
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const jsonMatch = jsonStr.match(/\{[\s\S]*\}/);
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if (jsonMatch) {
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try {
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return JSON.parse(jsonMatch[0]);
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} catch {
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return null;
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}
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}
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return null;
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}
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}
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/**
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* Parse JSON response into IInvoice
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*/
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function parseJsonToInvoice(response: string): IInvoice | null {
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const parsed = extractJsonFromResponse(response);
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if (!parsed) return null;
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return {
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invoice_number: extractInvoiceNumber(String(parsed.invoice_number || '')),
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invoice_date: extractDate(String(parsed.invoice_date || '')),
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vendor_name: String(parsed.vendor_name || '').replace(/\*\*/g, '').replace(/`/g, '').trim(),
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currency: extractCurrency(String(parsed.currency || '')),
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net_amount: parseAmount(parsed.net_amount as string | number),
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vat_amount: parseAmount(parsed.vat_amount as string | number),
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total_amount: parseAmount(parsed.total_amount as string | number),
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};
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}
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/**
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* Extract invoice data using smartagent orchestrator with vision
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*/
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async function extractInvoiceFromImages(images: string[]): Promise<IInvoice> {
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console.log(` [Vision] Processing ${images.length} page(s) with smartagent DualAgentOrchestrator`);
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const startTime = Date.now();
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const result = await orchestrator.run(EXTRACTION_PROMPT, { images });
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const elapsed = ((Date.now() - startTime) / 1000).toFixed(1);
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console.log(` [Vision] Completed in ${elapsed}s (${result.iterations} iterations, status: ${result.status})`);
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const invoice = parseJsonToInvoice(result.result);
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if (invoice) {
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console.log(` [Result] ${invoice.invoice_number} | ${invoice.invoice_date} | ${invoice.total_amount} ${invoice.currency}`);
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return invoice;
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}
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// Return empty invoice if parsing failed
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console.log(` [Result] Parsing failed, returning empty invoice`);
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return {
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invoice_number: '',
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invoice_date: '',
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vendor_name: '',
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currency: 'EUR',
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net_amount: 0,
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vat_amount: 0,
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total_amount: 0,
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};
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}
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/**
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* Normalize date to YYYY-MM-DD
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*/
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function normalizeDate(dateStr: string | null): string {
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if (!dateStr) return '';
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if (/^\d{4}-\d{2}-\d{2}$/.test(dateStr)) return dateStr;
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const monthMap: Record<string, string> = {
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JAN: '01', FEB: '02', MAR: '03', APR: '04', MAY: '05', JUN: '06',
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JUL: '07', AUG: '08', SEP: '09', OCT: '10', NOV: '11', DEC: '12',
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};
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let match = dateStr.match(/^(\d{1,2})-([A-Z]{3})-(\d{4})$/i);
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if (match) {
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return `${match[3]}-${monthMap[match[2].toUpperCase()] || '01'}-${match[1].padStart(2, '0')}`;
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}
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match = dateStr.match(/^(\d{1,2})[\/.](\d{1,2})[\/.](\d{4})$/);
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if (match) {
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return `${match[3]}-${match[2].padStart(2, '0')}-${match[1].padStart(2, '0')}`;
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}
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return dateStr;
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}
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/**
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* Compare extracted invoice against expected
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*/
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function compareInvoice(
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extracted: IInvoice,
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expected: IInvoice
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): { match: boolean; errors: string[] } {
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const errors: string[] = [];
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// Compare invoice number (normalize by removing spaces and case)
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const extNum = extracted.invoice_number?.replace(/\s/g, '').toLowerCase() || '';
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const expNum = expected.invoice_number?.replace(/\s/g, '').toLowerCase() || '';
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if (extNum !== expNum) {
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errors.push(`invoice_number: expected "${expected.invoice_number}", got "${extracted.invoice_number}"`);
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}
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// Compare date
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if (normalizeDate(extracted.invoice_date) !== normalizeDate(expected.invoice_date)) {
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errors.push(`invoice_date: expected "${expected.invoice_date}", got "${extracted.invoice_date}"`);
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}
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// Compare total amount (with tolerance)
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if (Math.abs(extracted.total_amount - expected.total_amount) > 0.02) {
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errors.push(`total_amount: expected ${expected.total_amount}, got ${extracted.total_amount}`);
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}
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// Compare currency
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if (extracted.currency?.toUpperCase() !== expected.currency?.toUpperCase()) {
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errors.push(`currency: expected "${expected.currency}", got "${extracted.currency}"`);
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}
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return { match: errors.length === 0, errors };
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}
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/**
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* Find all test cases (PDF + JSON pairs) in .nogit/invoices/
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*/
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function findTestCases(): Array<{ name: string; pdfPath: string; jsonPath: string }> {
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const testDir = path.join(process.cwd(), '.nogit/invoices');
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if (!fs.existsSync(testDir)) {
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return [];
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}
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const files = fs.readdirSync(testDir);
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const pdfFiles = files.filter((f) => f.endsWith('.pdf'));
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const testCases: Array<{ name: string; pdfPath: string; jsonPath: string }> = [];
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for (const pdf of pdfFiles) {
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const baseName = pdf.replace('.pdf', '');
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const jsonFile = `${baseName}.json`;
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if (files.includes(jsonFile)) {
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testCases.push({
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name: baseName,
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pdfPath: path.join(testDir, pdf),
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jsonPath: path.join(testDir, jsonFile),
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});
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}
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}
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testCases.sort((a, b) => a.name.localeCompare(b.name));
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return testCases;
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}
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// Tests
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tap.test('setup: ensure Docker containers are running', async () => {
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console.log('\n[Setup] Checking Docker containers...\n');
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const minicpmOk = await ensureMiniCpm();
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expect(minicpmOk).toBeTrue();
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console.log('\n[Setup] All containers ready!\n');
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});
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tap.test('setup: initialize smartagent orchestrator', async () => {
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console.log('[Setup] Initializing SmartAi and DualAgentOrchestrator...');
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smartAi = new SmartAi({
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ollama: {
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baseUrl: OLLAMA_URL,
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model: MODEL,
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defaultOptions: {
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num_ctx: 32768,
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temperature: 0.1,
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},
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defaultTimeout: 300000, // 5 minutes for vision tasks
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},
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});
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await smartAi.start();
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orchestrator = new DualAgentOrchestrator({
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smartAiInstance: smartAi,
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defaultProvider: 'ollama',
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guardianPolicyPrompt: `You are a Guardian agent overseeing invoice extraction tasks.
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APPROVE all tool calls that:
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- Use the json.validate action to verify JSON output
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- Are reasonable attempts to complete the extraction task
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REJECT tool calls that:
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- Attempt to access external resources
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- Try to execute arbitrary code
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- Are clearly unrelated to invoice extraction`,
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driverSystemMessage: `You are an AI assistant that extracts invoice data from images.
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Your task is to analyze invoice images and extract structured data.
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You have access to a json.validate tool to verify your JSON output.
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IMPORTANT: Always validate your JSON before completing the task.
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## Tool Usage Format
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When you need to validate JSON, output:
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<tool_call>
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<tool>json</tool>
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<action>validate</action>
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<params>{"jsonString": "YOUR_JSON", "requiredFields": ["invoice_number", "invoice_date", "vendor_name", "currency", "net_amount", "vat_amount", "total_amount"]}</params>
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</tool_call>
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## Completion Format
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After validation passes, complete the task:
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<task_complete>
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{"invoice_number": "...", "invoice_date": "YYYY-MM-DD", ...}
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</task_complete>`,
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maxIterations: 5,
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maxConsecutiveRejections: 3,
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onToken: (token, source) => {
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if (source === 'driver') {
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process.stdout.write(token);
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}
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},
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onProgress: (event) => {
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if (event.logLevel === 'error') {
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console.error(event.logMessage);
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}
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},
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});
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// Register the JsonValidatorTool
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orchestrator.registerTool(new JsonValidatorTool());
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await orchestrator.start();
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console.log('[Setup] Orchestrator initialized!\n');
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});
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tap.test('should have MiniCPM-V model loaded', async () => {
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const response = await fetch(`${OLLAMA_URL}/api/tags`);
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const data = await response.json();
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const modelNames = data.models.map((m: { name: string }) => m.name);
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expect(modelNames.some((name: string) => name.includes('minicpm'))).toBeTrue();
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});
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const testCases = findTestCases();
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console.log(`\nFound ${testCases.length} invoice test cases (smartagent + MiniCPM-V)\n`);
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let passedCount = 0;
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let failedCount = 0;
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const processingTimes: number[] = [];
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for (const testCase of testCases) {
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tap.test(`should extract invoice: ${testCase.name}`, async () => {
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const expected: IInvoice = JSON.parse(fs.readFileSync(testCase.jsonPath, 'utf-8'));
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console.log(`\n=== ${testCase.name} ===`);
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console.log(`Expected: ${expected.invoice_number} | ${expected.invoice_date} | ${expected.total_amount} ${expected.currency}`);
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const startTime = Date.now();
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const images = convertPdfToImages(testCase.pdfPath);
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console.log(` Pages: ${images.length}`);
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const extracted = await extractInvoiceFromImages(images);
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console.log(` Extracted: ${extracted.invoice_number} | ${extracted.invoice_date} | ${extracted.total_amount} ${extracted.currency}`);
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const elapsedMs = Date.now() - startTime;
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processingTimes.push(elapsedMs);
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const result = compareInvoice(extracted, expected);
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if (result.match) {
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passedCount++;
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console.log(` Result: MATCH (${(elapsedMs / 1000).toFixed(1)}s)`);
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} else {
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failedCount++;
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console.log(` Result: MISMATCH (${(elapsedMs / 1000).toFixed(1)}s)`);
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result.errors.forEach((e) => console.log(` - ${e}`));
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}
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expect(result.match).toBeTrue();
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});
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}
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tap.test('cleanup: stop orchestrator', async () => {
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if (orchestrator) {
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await orchestrator.stop();
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}
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console.log('[Cleanup] Orchestrator stopped');
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});
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tap.test('summary', async () => {
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const totalInvoices = testCases.length;
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const accuracy = totalInvoices > 0 ? (passedCount / totalInvoices) * 100 : 0;
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const totalTimeMs = processingTimes.reduce((a, b) => a + b, 0);
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const avgTimeSec = processingTimes.length > 0 ? totalTimeMs / processingTimes.length / 1000 : 0;
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console.log(`\n========================================`);
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console.log(` Invoice Extraction Summary`);
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console.log(` (smartagent + ${MODEL})`);
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console.log(`========================================`);
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console.log(` Method: DualAgentOrchestrator with vision`);
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console.log(` Passed: ${passedCount}/${totalInvoices}`);
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console.log(` Failed: ${failedCount}/${totalInvoices}`);
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console.log(` Accuracy: ${accuracy.toFixed(1)}%`);
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console.log(`----------------------------------------`);
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console.log(` Total time: ${(totalTimeMs / 1000).toFixed(1)}s`);
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console.log(` Avg per inv: ${avgTimeSec.toFixed(1)}s`);
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console.log(`========================================\n`);
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});
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export default tap.start();
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