Add pprof endpoint

main.go

@@ -5,6 +5,7 @@ import (
 	"flag"
 	"fmt"
 	"net/http"
+	_ "net/http/pprof"
 	"os"
 	"os/signal"
 	"runtime/debug"
@@ -147,6 +148,20 @@ func main() {
 
 	log.Debug().Str("report url", config.DomainRMO).Str("sync url", config.DomainNidus).Msg("Serving at URLs")
 
+	// Start pprof debug server on a separate port (localhost-only for security).
+	// Tunnels and Staging builds can set PPROF_BIND to override.
+	// Access via: curl http://localhost:6060/debug/pprof/goroutine?debug=1
+	pprofBind := os.Getenv("PPROF_BIND")
+	if pprofBind == "" {
+		pprofBind = "localhost:6060"
+	}
+	go func() {
+		log.Info().Str("address", pprofBind).Msg("Starting pprof debug server")
+		if err := http.ListenAndServe(pprofBind, nil); err != nil {
+			log.Error().Err(err).Msg("pprof server stopped")
+		}
+	}()
+
 	openai_logger := log.With().Logger()
 	err = llm.CreateOpenAIClient(ctx, &openai_logger)
 	if err != nil {