feat: read codex agent definitions

cmd/codex-agent-manager/main.go

@@ -5,17 +5,13 @@ import (
 	"net/http"
 
 	"codex-agent-manager/internal/app"
+	"codex-agent-manager/internal/server"
 )
 
 func main() {
 	cfg := app.DefaultConfig()
-	mux := http.NewServeMux()
-	mux.HandleFunc("/api/health", func(w http.ResponseWriter, r *http.Request) {
-		w.Header().Set("Content-Type", "application/json")
-		_, _ = w.Write([]byte(`{"status":"ok"}`))
-	})
 	fmt.Printf("Codex 智能体管理台监听 http://%s\n", cfg.HTTPAddr)
-	if err := http.ListenAndServe(cfg.HTTPAddr, mux); err != nil {
+	if err := http.ListenAndServe(cfg.HTTPAddr, server.New(cfg)); err != nil {
 		panic(err)
 	}
 }