feat: 新增3个思想实验室项目，完善私有剪贴板授权与上传功能，添加配套测试脚本
1. 新增怀旧弹珠台、人性与投资、穿越三体、四维空间四个思想实验室项目 2. 为私有剪贴板添加业务层授权校验，优化上传进度显示与鉴权失败处理 3. 新增多个调试与单元测试脚本，覆盖三体积分、弹珠台物理、集成测试等场景 4. 补全穿越三体项目的完整HTML页面资源
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yangxiangyuan
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// ============================================================
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// dev_test_scripts/unit/test_retro_pinball_physics.js
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// 怀旧弹珠台 · 物理核心单元测试
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// 从 public/tools/thought_lab/labs/retro_pinball/index.html 中
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// 提取 ==PHYSICS_CORE_START== / ==PHYSICS_CORE_END== 之间的纯函数核心，
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// 在 node vm 中运行并断言物理正确性。
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// 运行：node dev_test_scripts/unit/test_retro_pinball_physics.js
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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 vm = require('vm');
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const HTML_PATH = path.join(__dirname, '..', '..', 'public', 'tools', 'thought_lab', 'labs', 'retro_pinball', 'index.html');
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function loadCore() {
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const html = fs.readFileSync(HTML_PATH, 'utf-8');
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const s = html.indexOf('/* ==PHYSICS_CORE_START== */');
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const e = html.indexOf('/* ==PHYSICS_CORE_END== */');
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if (s < 0 || e < 0 || e <= s) throw new Error('未找到物理核心标记块');
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const code = html.slice(s, e);
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const sandbox = { Math, console };
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vm.createContext(sandbox);
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vm.runInContext(code, sandbox);
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if (!sandbox.PhysicsCore) throw new Error('PhysicsCore 未导出');
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return sandbox.PhysicsCore;
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}
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const PC = loadCore();
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let passed = 0, failed = 0;
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function check(name, cond, detail) {
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if (cond) { passed++; console.log(` [PASS] ${name}`); }
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else { failed++; console.error(` [FAIL] ${name}${detail ? ' -> ' + detail : ''}`); }
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}
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const DT = 1 / 360;
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function baseParams(over) {
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return Object.assign({
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g: 2000, e: 0.55, mu: 0.12, airK: 0, rollR: 0,
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restV: 1, iterations: 8, slop: 0.3, correction: 0.8, maxV: 6000
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}, over || {});
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}
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const FLOOR = { type: 'seg', x1: -500, y1: 500, x2: 500, y2: 500 };
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// ---------- 1. 恢复系数：回弹高度 ≈ e²·h ----------
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(function testRestitution() {
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console.log('1) 恢复系数回弹高度');
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const e = 0.5, h = 300;
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const p = baseParams({ e, mu: 0, restV: 1 });
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const b = PC.createBall(0, 500 - 11 - h, 11);
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const statics = [FLOOR];
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let bounced = false, apex = 1e9, done = false, t = 0;
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while (t < 3 && !done) {
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PC.stepWorld([b], statics, p, DT);
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t += DT;
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if (!bounced && b.vy < 0) bounced = true; // 回弹开始（y 向下，vy<0 为向上）
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if (bounced) {
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apex = Math.min(apex, b.y);
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if (b.vy > 0) done = true; // 到达顶点
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}
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}
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const rebound = (500 - 11) - apex;
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const expect = e * e * h;
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check(`回弹高度 ${rebound.toFixed(1)} ≈ e²h=${expect.toFixed(1)} (±10%)`, Math.abs(rebound - expect) <= expect * 0.1, `got=${rebound}`);
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})();
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// ---------- 2. 能量不增 ----------
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(function testEnergy() {
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console.log('2) 机械能不自发增加');
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const p = baseParams({ e: 0.5, mu: 0 });
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const b = PC.createBall(0, 100, 11);
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const statics = [FLOOR];
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const E0 = 0.5 * b.m * (b.vx * b.vx + b.vy * b.vy) + b.m * p.g * (500 - b.y);
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let maxE = 0;
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for (let t = 0; t < 2; t += DT) {
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PC.stepWorld([b], statics, p, DT);
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const E = 0.5 * b.m * (b.vx * b.vx + b.vy * b.vy) + b.m * p.g * (500 - b.y);
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maxE = Math.max(maxE, E);
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}
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check(`maxE=${maxE.toFixed(0)} <= E0*1.02=${(E0 * 1.02).toFixed(0)}`, maxE <= E0 * 1.02);
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})();
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// ---------- 3. 静止稳定：不沉陷、不抖动 ----------
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(function testRest() {
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console.log('3) 水平面静止稳定性');
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const p = baseParams({ e: 0.55, mu: 0.2 });
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const b = PC.createBall(0, 200, 11);
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const statics = [FLOOR];
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for (let t = 0; t < 3; t += DT) PC.stepWorld([b], statics, p, DT);
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const sp = Math.hypot(b.vx, b.vy);
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check(`静止速度 ${sp.toFixed(2)} < 20`, sp < 20);
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check(`不沉陷 y=${b.y.toFixed(2)} <= 489+1`, b.y <= 500 - 11 + 1);
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})();
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// ---------- 4. 等质量弹性碰撞速度交换 ----------
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(function testMomentum() {
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console.log('4) 等质量 e=1 正碰速度交换');
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const p = baseParams({ g: 0, e: 1, mu: 0 });
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const a = PC.createBall(0, 0, 11); a.vx = 100;
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const b = PC.createBall(30, 0, 11);
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for (let t = 0; t < 0.5; t += DT) PC.stepWorld([a, b], [], p, DT);
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check(`a.vx=${a.vx.toFixed(1)}≈0`, Math.abs(a.vx) < 3, `got=${a.vx}`);
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check(`b.vx=${b.vx.toFixed(1)}≈100`, Math.abs(b.vx - 100) < 3, `got=${b.vx}`);
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})();
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// ---------- 5. 高速不穿透 ----------
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(function testNoTunnel() {
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console.log('5) 3000px/s 不穿透薄壁');
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const p = baseParams({ g: 0, e: 0.5, mu: 0 });
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const wall = { type: 'seg', x1: 100, y1: -1000, x2: 100, y2: 1000 };
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const b = PC.createBall(0, 0, 11); b.vx = 3000;
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let maxX = -1e9;
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for (let t = 0; t < 0.5; t += DT) {
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PC.stepWorld([b], [wall], p, DT);
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maxX = Math.max(maxX, b.x);
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}
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check(`maxX=${maxX.toFixed(1)} <= 100`, maxX <= 100 + 0.5);
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})();
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// ---------- 6. 摩擦减速 + 滚动建立 ----------
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(function testFrictionRoll() {
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console.log('6) 摩擦使滑动减速并建立滚动');
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const mk = (mu) => {
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const p = baseParams({ e: 0.3, mu, rollR: 0 });
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const b = PC.createBall(0, 500 - 11, 11); b.vx = 500;
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for (let t = 0; t < 0.5; t += DT) PC.stepWorld([b], [FLOOR], p, DT);
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return b;
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};
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const noF = mk(0), withF = mk(0.4);
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check(`无摩擦保持滑动 |vx|=${noF.vx.toFixed(0)} > 400`, noF.vx > 400);
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check(`有摩擦减速 vx=${withF.vx.toFixed(0)} < ${noF.vx.toFixed(0)}`, withF.vx < noF.vx - 50);
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check(`滚动建立 omega=${withF.omega.toFixed(1)} > 5`, withF.omega > 5);
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})();
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// ---------- 7. 斜坡：无摩擦加速下滑 ----------
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(function testSlope() {
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console.log('7) 斜坡下滑加速度 ≈ g·sinθ');
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const theta = Math.PI / 6; // 30°
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const p = baseParams({ g: 2000, e: 0, mu: 0 });
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const slope = { type: 'seg', x1: 0, y1: 0, x2: 300, y2: 300 * Math.tan(theta) };
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const b = PC.createBall(50, 50 * Math.tan(theta) - 11, 11);
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const v0 = Math.hypot(b.vx, b.vy);
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for (let t = 0; t < 0.3; t += DT) PC.stepWorld([b], [slope], p, DT);
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const v1 = Math.hypot(b.vx, b.vy);
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const dv = v1 - v0;
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const expect = p.g * Math.sin(theta) * 0.3;
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check(`dv=${dv.toFixed(0)} ≈ g·sinθ·t=${expect.toFixed(0)} (±8%)`, Math.abs(dv - expect) <= expect * 0.08);
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})();
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console.log(`\n结果: ${passed} passed, ${failed} failed`);
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process.exit(failed > 0 ? 1 : 0);
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