feat(tng): TNG eWallet Promon bypass、Zygisk 信号守卫与注册链保护

新增 TngRootBypassHook 与 tng_exit_guard 模块，修复 BAL 强拉、SIGABRT/pc==lr SEGV 崩溃，验证可进入注册页。

scripts/diag-tng-exit-guard.sh

@@ -0,0 +1,21 @@
+#!/system/bin/sh
+set -x
+echo "=== magisk ver ==="
+magisk -c
+magisk -v
+echo "=== zygisk setting ==="
+magisk --sqlite 'SELECT * FROM settings'
+echo "=== path ==="
+MAGISK_PATH=$(magisk --path)
+echo "MAGISK_PATH=$MAGISK_PATH"
+ls -la "$MAGISK_PATH" 2>/dev/null | head -30
+ls -la "$MAGISK_PATH/zygisk" 2>/dev/null
+ls -la /data/adb/modules/
+ls -la /data/adb/modules/tng_exit_guard/
+ls -la /data/adb/modules/tng_exit_guard/zygisk/
+echo "=== denylist tng ==="
+magisk --denylist ls 2>/dev/null | grep -i tng || echo "TNG not on denylist"
+echo "=== processes ==="
+ps -A | grep -iE 'magiskd|zygisk|lspd|vector|tngdigital' || true
+echo "=== logcat zygisk ==="
+logcat -d | grep -iE 'zygisk|TngExit|tng_exit' | tail -40