diff --git a/packages/swift-platform-sdk/Sources/ByteLystPlatform.swift b/packages/swift-platform-sdk/Sources/ByteLystPlatform.swift
index 0d0343c0..1e920739 100644
--- a/packages/swift-platform-sdk/Sources/ByteLystPlatform.swift
+++ b/packages/swift-platform-sdk/Sources/ByteLystPlatform.swift
@@ -35,14 +35,14 @@ public final class ByteLystPlatform {
     /// Kill switch checker.
     public let killSwitch: BLKillSwitchClient
 
-    /// Crash reporter (MetricKit).
-    public let crashReporter: BLCrashReporter
+    /// Crash reporter (MetricKit). Created lazily on MainActor.
+    public private(set) var crashReporter: BLCrashReporter?
 
     /// Keychain access (via bundleId as service).
     public let keychain: BLKeychainAccessor
 
-    /// Audit logger.
-    public let auditLog: BLAuditLogger
+    /// Audit logger type (static API — call BLAuditLogger.log()).
+    public let auditLog: BLAuditLogger.Type = BLAuditLogger.self
 
     /// Auth client.
     public let auth: BLAuthClient
@@ -56,10 +56,9 @@ public final class ByteLystPlatform {
         self.telemetry = BLTelemetryClient(config: config, client: client)
         self.flags = BLFeatureFlagClient(config: config, client: client)
         self.killSwitch = BLKillSwitchClient(config: config)
-        self.crashReporter = BLCrashReporter(productId: config.productId)
         self.keychain = BLKeychainAccessor(service: config.bundleId)
-        self.auditLog = BLAuditLogger(productId: config.productId)
         self.auth = BLAuthClient(config: config, client: client)
+        BLAuditLogger.configure(fileName: "\(config.productId)_audit_log.json")
     }
 
     /// Test-only initializer that accepts a custom URLSessionConfiguration.
@@ -69,10 +68,9 @@ public final class ByteLystPlatform {
         self.telemetry = BLTelemetryClient(config: config, client: client)
         self.flags = BLFeatureFlagClient(config: config, client: client)
         self.killSwitch = BLKillSwitchClient(config: config)
-        self.crashReporter = BLCrashReporter(productId: config.productId)
         self.keychain = BLKeychainAccessor(service: config.bundleId)
-        self.auditLog = BLAuditLogger(productId: config.productId)
         self.auth = BLAuthClient(config: config, client: client)
+        BLAuditLogger.configure(fileName: "\(config.productId)_audit_log.json")
     }
 
     // MARK: - Lifecycle
@@ -84,6 +82,9 @@ public final class ByteLystPlatform {
         telemetry.start()
         flags.start(userId: userId)
         Task { await killSwitch.check() }
+        Task { @MainActor in
+            self.crashReporter = BLCrashReporter(productId: config.productId)
+        }
     }
 
     /// Stop all services: flush telemetry, stop flag polling.