docs(huya): 模拟器存活闪退诊断报告与 Frida 探测脚本证据

- 诊断报告: attach 主进程静默退出/EGL 崩溃, 仅约 4s 窗口可抓帧
- scripts: attach/spawn/hook/emu 系列 Frida 脚本与抓帧/验证工具
- evidence: identity/reqchain/frame/inputbuf/magic_buf/propedge 抓取样本,
  emu_* 存活对比, diag_* 策略实验, baseline 裸测基准

evidence/baseline/spawn-trace_r2.json

@@ -0,0 +1,21 @@
+{
+ "mode": "spawn-trace",
+ "round": 2,
+ "ts": "2026-08-27T08:09:46",
+ "pid_spawn": 19786,
+ "last_pong": null,
+ "pid_changed_at": [
+  {
+   "t": 0.1,
+   "old": 19786,
+   "new": 19964
+  }
+ ],
+ "last_focus": "48d191b u0 com.duowan.kiwi/com.duowan.kiwi.homepage.Homepage",
+ "alive_seconds": 24.8,
+ "no_agent_messages": true,
+ "dead": false,
+ "dead_at": null,
+ "focus_fail_count": 0,
+ "agent_events": []
+}