80 lines
2.6 KiB
JavaScript
80 lines
2.6 KiB
JavaScript
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#!/usr/bin/env node
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/**
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* patch-route-precision-10x-batch-b1.js
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* 路由精度10项改进 — Batch B1: route-engine.js
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* Item 1: 冷启动置信度上限 — coldStartApplied=true 且 gap_1_2 < 0.15 时 confidence 上限 0.65
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*
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* 安全性: .bak 备份 + sentinel 注释检查 + UTF-8 无 BOM 写入
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*/
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'use strict';
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const fs = require('fs');
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const path = require('path');
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const SENTINEL = '// COLD_START_CONFIDENCE_CAP_v1_APPLIED';
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const TARGET = path.join(__dirname, '..', 'route-engine.js');
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const BAK = TARGET + '.bak';
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if (!fs.existsSync(TARGET)) {
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console.error('[ERROR] route-engine.js not found:', TARGET);
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process.exit(1);
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}
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const src = fs.readFileSync(TARGET, 'utf8');
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if (src.includes(SENTINEL)) {
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console.log('[SKIP] Patch already applied (sentinel found).');
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process.exit(0);
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}
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// 找到短查询置信度上限 patch 注释后面的正确插入点
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// 我们需要在 _finalConfidence 计算结束后（短查询cap之后）插入冷启动cap
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// 目标: 在 "CONFIDENCE_CAP_SHORT_QUERY_PATCH_2026_04_20" 块之后、
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// "ALIAS_RESOLVER_INJECTED" 注释之前插入
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const INSERT_AFTER = ` // === ALIAS_RESOLVER_INJECTED_PHASE2_2026_04_25 ===`;
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if (!src.includes(INSERT_AFTER)) {
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console.error('[ERROR] Anchor "ALIAS_RESOLVER_INJECTED_PHASE2_2026_04_25" not found. Cannot patch safely.');
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process.exit(1);
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}
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const CAP_CODE = `
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${SENTINEL}
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// 冷启动置信度上限: coldStartApplied=true 且 rank1/rank2 分差 < 0.15 → cap 0.65
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// 防止冷启动 boost 后 gap 较小时系统过度自信
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if (coldStartApplied && normalized.length >= 2) {
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const _n0 = normalized[0] ? (normalized[0].confidence || 0) : 0;
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const _n1 = normalized[1] ? (normalized[1].confidence || 0) : 0;
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const gap_1_2 = _n0 - _n1;
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if (gap_1_2 < 0.15 && _finalConfidence > 0.65) {
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_finalConfidence = 0.65;
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try {
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const _capLog = JSON.stringify({
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t: Date.now(), event: 'cold_start_confidence_cap',
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gap: Math.round(gap_1_2 * 1000) / 1000,
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original: confidence, capped: 0.65,
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primary: normalized[0] && normalized[0].name,
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}) + '\\n';
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fs.appendFileSync(path.join(DEBUG_DIR, 'confidence-cap.log'), _capLog);
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} catch {}
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}
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}
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`;
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fs.writeFileSync(BAK, src, 'utf8');
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console.log('[BAK] Backed up to', BAK);
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const patched = src.replace(INSERT_AFTER, CAP_CODE + INSERT_AFTER);
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if (patched === src) {
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console.error('[ERROR] String replacement produced no change. Aborting.');
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process.exit(1);
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}
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fs.writeFileSync(TARGET, patched, 'utf8');
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console.log('[DONE] Item 1: cold-start confidence cap injected into route-engine.js');
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console.log(' Sentinel:', SENTINEL);
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