feat(iit): Complete CRA Agent V3.0 P1 - ChatOrchestrator with LLM Function Calling
P1 Architecture: Lightweight ReAct (Function Calling loop, max 3 rounds) Core changes: - Add ToolDefinition/ToolCall types to LLM adapters (DeepSeek + CloseAI + Claude) - Replace 6 old tools with 4 semantic tools: read_report, look_up_data, check_quality, search_knowledge - Create ChatOrchestrator (~160 lines) replacing ChatService (1,442 lines) - Wire WechatCallbackController to ChatOrchestrator, deprecate ChatService - Fix nullable content (string | null) across 12+ LLM consumer files E2E test results: 8/8 scenarios passed (100%) - QC report query, critical issues, patient data, trend, on-demand QC - Knowledge base search, project overview, data modification refusal Net code reduction: ~1,100 lines Tested: E2E P1 chat test 8/8 passed with DeepSeek API Made-with: Cursor
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backend/tests/e2e-p1-chat-test.ts
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154
backend/tests/e2e-p1-chat-test.ts
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/**
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* P1 ChatOrchestrator E2E Test
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*
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* Tests the Lightweight ReAct architecture (Function Calling loop, max 3 rounds)
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* by sending 8 representative chat scenarios and validating responses.
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*
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* Prerequisites:
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* - Backend DB reachable (Docker postgres running)
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* - DeepSeek API key configured in .env
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* - At least one active IIT project in DB
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*
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* Run: npx tsx tests/e2e-p1-chat-test.ts
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*/
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import { getChatOrchestrator } from '../src/modules/iit-manager/services/ChatOrchestrator.js';
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import { logger } from '../src/common/logging/index.js';
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const TEST_USER = 'e2e-test-user';
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interface TestCase {
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id: number;
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input: string;
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description: string;
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validate: (response: string) => boolean;
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}
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const testCases: TestCase[] = [
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{
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id: 1,
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input: '最新质控报告怎么样',
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description: 'General QC report query → expects read_report(summary)',
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validate: (r) => r.length > 10 && !r.includes('系统处理出错'),
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},
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{
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id: 2,
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input: '有几条严重违规',
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description: 'Critical issues query → expects read_report(critical_issues)',
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validate: (r) => r.length > 5 && !r.includes('系统处理出错'),
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},
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{
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id: 3,
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input: '003 的数据',
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description: 'Patient data lookup → expects look_up_data(003)',
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validate: (r) => r.length > 5 && !r.includes('系统处理出错'),
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},
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{
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id: 4,
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input: '通过率比上周好了吗',
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description: 'Trend query → expects read_report(trend)',
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validate: (r) => r.length > 5 && !r.includes('系统处理出错'),
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},
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{
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id: 5,
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input: '帮我检查一下 005',
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description: 'On-demand QC → expects check_quality(005)',
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validate: (r) => r.length > 5 && !r.includes('系统处理出错'),
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},
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{
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id: 6,
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input: '入排标准是什么',
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description: 'Knowledge base search → expects search_knowledge',
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validate: (r) => r.length > 5 && !r.includes('系统处理出错'),
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},
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{
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id: 7,
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input: '项目整体怎么样',
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description: 'Project overview → expects read_report(summary)',
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validate: (r) => r.length > 5 && !r.includes('系统处理出错'),
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},
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{
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id: 8,
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input: '帮我修改 003 的数据',
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description: 'Data modification request → polite refusal, no tool call',
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validate: (r) => r.length > 5 && !r.includes('系统处理出错'),
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},
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];
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async function runTests() {
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console.log('='.repeat(60));
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console.log(' P1 ChatOrchestrator E2E Test');
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console.log(' Architecture: Lightweight ReAct (Function Calling, max 3 rounds)');
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console.log('='.repeat(60));
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let orchestrator;
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try {
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console.log('\n🔧 Initializing ChatOrchestrator...');
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orchestrator = await getChatOrchestrator();
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console.log('✅ ChatOrchestrator initialized successfully\n');
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} catch (error: any) {
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console.error('❌ Failed to initialize ChatOrchestrator:', error.message);
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console.error(' Make sure DB is running and there is an active IIT project.');
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process.exit(1);
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}
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let passCount = 0;
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let failCount = 0;
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const results: { id: number; desc: string; ok: boolean; response: string; duration: number; error?: string }[] = [];
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for (const tc of testCases) {
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console.log(`\n📝 [${tc.id}/8] ${tc.description}`);
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console.log(` Input: "${tc.input}"`);
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const start = Date.now();
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try {
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const response = await orchestrator.handleMessage(TEST_USER, tc.input);
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const duration = Date.now() - start;
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const ok = tc.validate(response);
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if (ok) {
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passCount++;
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console.log(` ✅ PASS (${duration}ms)`);
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} else {
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failCount++;
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console.log(` ❌ FAIL (${duration}ms) — validation failed`);
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}
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console.log(` Response: ${response.substring(0, 150)}${response.length > 150 ? '...' : ''}`);
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results.push({ id: tc.id, desc: tc.description, ok, response: response.substring(0, 200), duration });
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} catch (error: any) {
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const duration = Date.now() - start;
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failCount++;
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console.log(` ❌ ERROR (${duration}ms) — ${error.message}`);
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results.push({ id: tc.id, desc: tc.description, ok: false, response: '', duration, error: error.message });
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}
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}
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// Summary
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console.log('\n' + '='.repeat(60));
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console.log(' RESULTS');
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console.log('='.repeat(60));
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console.log(`\n Total: ${testCases.length}`);
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console.log(` Pass: ${passCount}`);
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console.log(` Fail: ${failCount}`);
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console.log(` Rate: ${((passCount / testCases.length) * 100).toFixed(0)}%`);
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const avgDuration = results.reduce((sum, r) => sum + r.duration, 0) / results.length;
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console.log(` Avg RT: ${avgDuration.toFixed(0)}ms`);
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if (failCount > 0) {
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console.log('\n Failed cases:');
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for (const r of results.filter((r) => !r.ok)) {
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console.log(` - [${r.id}] ${r.desc}`);
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if (r.error) console.log(` Error: ${r.error}`);
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}
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}
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console.log('\n' + '='.repeat(60));
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process.exit(failCount > 0 ? 1 : 0);
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}
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runTests().catch((err) => {
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console.error('Fatal error:', err);
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process.exit(1);
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});
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