Add runtime encoder compatibility validation

.githooks/pre-push

@@ -0,0 +1,11 @@
+#!/bin/sh
+set -eu
+
+managed_keys='CheckedAt|EnvironmentFingerprint|GPU|NvidiaNvencApi|NvidiaNvencRequiredApi|NvidiaNvencSupport|AmdAmfSupport|IntelQsvSupport|SelectedHardwareEncoder|FFmpegVersion|FFmpegBuild|FFmpegExecutableSha256|FFmpegDownloadSource|FFmpegArchiveSha256Verification|MediaMTXVersion|MediaMTXExecutableSha256|MediaMTXDownloadSource|MediaMTXArchiveSha256Verification|CompatibilityTest'
+
+if git show HEAD:config.ini 2>/dev/null | grep -E "^# (${managed_keys})=.+" >/dev/null 2>&1; then
+    echo "ScreenRTSP: HEAD의 config.ini에 실제 장치/설치 정보가 남아 있어 push를 중단합니다." >&2
+    echo "다시 커밋하면 pre-commit hook이 자동 기록 영역을 비웁니다." >&2
+    exit 1
+fi
+