Release QVPN 1.0.5 with Xray and resilient tunnel recovery

Integrate Xray 26.9.9 with the sing-box system tunnel and verify Windows routes during health checks.

Improve endpoint selection, network recovery, subscription refresh deadlines, diagnostics, packaging, and regression coverage.

.gitignore

@@ -4,6 +4,9 @@ dist/
 tools/core*/
 tools/core.zip
 tools/sing-box-*-source.zip
+tools/xray-unpacked/
+tools/Xray-*.zip
+tools/Xray-*.zip.dgst
 research/*.apk
 research/phone*.xml
 research/phone*.png
@@ -14,6 +17,7 @@ src/QVPN.App/*smoke.json
 research/*.png
 research/phone-package.txt
 research/*verification.json
+research/*verification-*.json
 research/service-regression.json
 research/recovery-socks.json
 research/disconnect-write-failure.json