feat(main): wire embedded Perses + VM toggle

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/claude-agent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

main.go

@@ -12,6 +12,7 @@ import (
 
 	"github.com/fujin/anthropic-proxy/internal/auth"
 	"github.com/fujin/anthropic-proxy/internal/config"
+	"github.com/fujin/anthropic-proxy/internal/embedded"
 	"github.com/fujin/anthropic-proxy/internal/logging"
 	"github.com/fujin/anthropic-proxy/internal/proxy"
 	"github.com/fujin/anthropic-proxy/internal/ratelimit"
@@ -36,7 +37,7 @@ func run() error {
 	})
 
 	// Initialize telemetry (metrics always active; OTLP export when endpoint set)
-	telemetryShutdown, logBridge, err := telemetry.Setup(context.Background(), cfg.Telemetry, tracker)
+	telemetryShutdown, logBridge, metricsHandler, err := telemetry.Setup(context.Background(), cfg.Telemetry, tracker)
 	if err != nil {
 		return fmt.Errorf("telemetry setup: %w", err)
 	}
@@ -115,8 +116,27 @@ func run() error {
 		}
 	}
 
+	// Start embedded observability stack (VM + Perses) if enabled
+	var vm *embedded.VM
+	var perses *embedded.Perses
+	if cfg.Telemetry.Embedded.Enabled {
+		vm = embedded.NewVM(cfg.Telemetry.Embedded, cfg.Port)
+		if err := vm.Start(); err != nil {
+			log.Error().Err(err).Msg("failed to start victoria-metrics")
+		} else {
+			defer vm.Stop()
+		}
+
+		perses = embedded.NewPerses(cfg.Telemetry.Embedded, cfg.Port)
+		if err := perses.Start(); err != nil {
+			log.Error().Err(err).Msg("failed to start perses")
+		} else {
+			defer perses.Stop()
+		}
+	}
+
 	log.Info().Int("port", cfg.Port).Msg("starting server")
-	srv := server.New(cfg, pool, profile, tracker)
+	srv := server.New(cfg, pool, profile, tracker, metricsHandler)
 
 	quit := make(chan os.Signal, 1)
 	signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)