Rename to gpu-turnstile; swap port roles

The proxy now listens on the standard service ports (Ollama :11434,
ComfyUI :8188) and the actual services move one port up (:11435, :8189).
Metric prefix is now gpu_turnstile_.

cmd/gpu-turnstile/main.go

@@ -1,4 +1,4 @@
-// gpulock is a GPU arbitration proxy that sits in front of Ollama and
+// gpu-turnstile is a GPU arbitration proxy that sits in front of Ollama and
 // ComfyUI and guarantees only one of them uses the GPU at a time.
 package main
 
@@ -52,10 +52,10 @@ func envDuration(getenv func(string) string, name string, dst *time.Duration) er
 
 func loadConfig(getenv func(string) string) (config, error) {
 	cfg := config{
-		listenOllama:   ":11435",
-		listenComfy:    ":8189",
-		ollamaURL:      "http://127.0.0.1:11434",
-		comfyURL:       "http://127.0.0.1:8188",
+		listenOllama:   ":11434",
+		listenComfy:    ":8188",
+		ollamaURL:      "http://127.0.0.1:11435",
+		comfyURL:       "http://127.0.0.1:8189",
 		unloadTimeout:  time.Minute,
 		jobTimeout:     15 * time.Minute,
 		llmWaitTimeout: 10 * time.Minute,
@@ -107,7 +107,7 @@ func loadConfig(getenv func(string) string) (config, error) {
 func main() {
 	cfg, err := loadConfig(os.Getenv)
 	if err != nil {
-		fmt.Fprintf(os.Stderr, "gpulock: %v\n", err)
+		fmt.Fprintf(os.Stderr, "gpu-turnstile: %v\n", err)
 		os.Exit(1)
 	}
 
@@ -119,7 +119,7 @@ func main() {
 	log := slog.New(handler)
 	slog.SetDefault(log)
 
-	log.Info("starting gpulock",
+	log.Info("starting gpu-turnstile",
 		"version", version,
 		"listen_ollama", cfg.listenOllama,
 		"listen_comfy", cfg.listenComfy,