🐛 feat: integrate audit logging in update discovery

Add audit logging for success and failure events in the
trackUpdateResult function to enhance visibility into
recovery operations. This includes logging the outcome of
self-healing attempts, which aids in monitoring and
debugging the system's update processes.

Author: nathfavour

cmd/vibeaura/update_discovery.go

@@ -14,6 +14,7 @@ import (
 	"strings"
 	"time"
 
+	"github.com/nathfavour/vibeauracle/internal/audit"
 	"github.com/nathfavour/vibeauracle/sys"
 	"golang.org/x/mod/semver"
 )
@@ -403,9 +404,11 @@ func trackUpdateResult(success bool) {
 			fmt.Println("\n✅ Recovery successful! Please restart your terminal.")
 			cfg.Update.FailureCount = 0
 			cm.Save(cfg)
+			audit.LogSuccess(cfg.DataDir, audit.EventSelfHeal, "recovery", Version, Commit, "self-healing successful", map[string]interface{}{"method": recoveryMethod})
 			os.Exit(0)
 		} else {
 			fmt.Printf("\n❌ Recovery failed: %v\n", err)
+			audit.LogFailure(cfg.DataDir, audit.EventSelfHeal, "recovery", Version, Commit, "self-healing failed: "+err.Error(), map[string]interface{}{"method": recoveryMethod})
 			if buildFromSource {
 				fmt.Println("👉 Try running: go install github.com/nathfavour/vibeauracle/cmd/vibeaura@latest")
 			} else {