feat: Aggressive watchdog tamper detection crashes app immediately

Author: errorcodeQQ

CSGuard/src/main/kotlin/com/csguard/ProviderSanitizer.kt

@@ -27,10 +27,13 @@ object ProviderSanitizer {
                 sanitizeAllProviders()
 
                 if (policy.watchdogEnabled && !InstrumentationHook.isHookIntact()) {
-                    Log.w(TAG, "Watchdog detected unhooked Instrumentation! Re-installing...")
-                    InstrumentationHook.install { policy }
+                    Log.e(TAG, "FATAL: Watchdog detected unhooked Instrumentation! A malicious plugin is actively trying to disable CSGuard.")
+                    throw RuntimeException("CSGuard SECURITY BREACH: Unauthorized tampering with Instrumentation hook detected. Terminating application immediately to protect user data.")
                 }
             } catch (t: Throwable) {
+                if (t.message?.contains("SECURITY BREACH") == true) {
+                    throw t // Force fatal crash
+                }
                 Log.e(TAG, "Sanitizer poll failed", t)
             }
             if (running) {