feat: 增强版验证码全套实现 — 16种类型生成器/加密/风控/站点管理/平台后端/前端SDK/UI

- 核心新增: ICON_CLICK(PNG图标方案,预渲染资源)/SCRATCH/JIGSAW/CURVE_SLIDER(V1-V3)/ANGLE/CURVE_DRAW/WORD_ORDER_CLICK/PROOF_OF_WORK 等生成器
- 图标点选: classpath PNG 加载替代运行时字体渲染(Linux容器无emoji字体),提示条图作为 templateImage 返回前端
- 新增模块: crypto(AES+RSA)/obfuscator(背景乱序/噪声/扭曲)/risk(风控/IP黑名单/限流)/site(站点管理)/ml(轨迹规则引擎)
- 平台后端: 站点管理/验证码API(generate/verify/secondary-verify)/统计/ML轨迹学习
- 前端SDK: TPCaptcha兼容,支持全部新型号渲染与交互
- 工具: tools/icon-render 图标预渲染工具

tianai-captcha-sdk/package.json

@@ -0,0 +1,12 @@
+{
+  "name": "tianai-captcha-sdk",
+  "version": "2.0.0",
+  "description": "tianai-captcha-enhanced 前端SDK，兼容TPCaptcha API",
+  "main": "dist/captcha.min.js",
+  "scripts": {
+    "build": "terser src/captcha.js -o dist/captcha.min.js -c -m",
+    "dev": "echo 'Copy src/captcha.js to your project for development'"
+  },
+  "keywords": ["captcha", "slider", "puzzle", "tianai", "verification"],
+  "license": "Apache-2.0"
+}