feat: Add audit system with sink based dispatcher (#211)

* chore: Dependency update

* feat: Add audit system with eventlog as a sink

* fix: Linter fixes

* fix: Code review fixes

internal/audit/eventlog_sink_test.go

@@ -0,0 +1,36 @@
+package audit
+
+import (
+	"testing"
+
+	"github.com/safedep/pmg/internal/eventlog"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestEventlogSinkTranslatesAllEventTypes(t *testing.T) {
+	tests := []struct {
+		name     string
+		input    EventType
+		expected eventlog.EventType
+	}{
+		{"malware_blocked", EventTypeMalwareBlocked, eventlog.EventTypeMalwareBlocked},
+		{"malware_confirmed", EventTypeMalwareConfirmed, eventlog.EventTypeMalwareConfirmed},
+		{"install_allowed", EventTypeInstallAllowed, eventlog.EventTypeInstallAllowed},
+		{"install_trusted_allowed", EventTypeInstallTrustedAllowed, eventlog.EventTypeInstallTrustedAllowed},
+		{"install_started", EventTypeInstallStarted, eventlog.EventTypeInstallStarted},
+		{"dependency_resolved", EventTypeDependencyResolved, eventlog.EventTypeDependencyResolved},
+		{"install_insecure_bypass", EventTypeInstallInsecureBypass, eventlog.EventTypeInstallInsecureBypass},
+		{"proxy_host_observed", EventTypeProxyHostObserved, eventlog.EventTypeProxyHostObserved},
+		{"sandbox_override", EventTypeSandboxOverride, eventlog.EventTypeSandboxOverride},
+		{"error", EventTypeError, eventlog.EventTypeError},
+		{"session_complete", EventTypeSessionComplete, eventlog.EventType("session_complete")},
+		{"unknown_type", EventType("custom_event"), eventlog.EventType("custom_event")},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := mapEventType(tt.input)
+			assert.Equal(t, tt.expected, result)
+		})
+	}
+}