docs(huya): 新增总览去困惑地图 + 代码风险标记 + 真机 Frida 稳定注入通道

- docs/HUYA_APP_OVERVIEW.md: 整体流程/三形态hdid区分/登录入口盘点/随机化矩阵/风险清单/真机Frida现状
- core/huya 各模块 docstring 加风险标记与 hdid 名称混淆提示, 指向总览
- tools/app_login_flow 标注已过时(未接注册链), tools/huya_device_profile 标注与 core 策略关系
- scripts/phone_stable_capture.py + diag_phone_lifecycle.py: 真机 spawn+art_callsite 稳定抓帧/四组诊断
- evidence/diag_phone/: 真机基线/attach/稳定抓帧实验证据 (90s 存活无 EGL 崩)

evidence/diag_phone/phone_d.json

@@ -0,0 +1,33 @@
+{
+ "group": "D",
+ "pid": 9944,
+ "attach_ms": 168.2,
+ "timeline": [
+  {
+   "t": 0.2,
+   "proc": 9944,
+   "ui_ok": true,
+   "focus": "dbb4ed9 mode=0 rootTaskId=277 u0 com.duowan.kiwi/com.duowan.kiwi.homepage.Homepage"
+  },
+  {
+   "t": 0.9,
+   "proc": 9944,
+   "ui_ok": true,
+   "focus": "dbb4ed9 mode=0 rootTaskId=277 u0 com.duowan.kiwi/com.duowan.kiwi.homepage.Homepage"
+  },
+  {
+   "t": 1.7,
+   "proc": 11364,
+   "ui_ok": true,
+   "focus": "dbb4ed9 mode=0 rootTaskId=277 u0 com.duowan.kiwi/com.duowan.kiwi.homepage.Homepage"
+  }
+ ],
+ "detached": [
+  {
+   "reason": "application-requested",
+   "detail": "None"
+  }
+ ],
+ "crash_count": 0,
+ "crash_tail": ""
+}