Plenty of writes now works and an expanded example exists in the terraform directory

terraform-provider-hpe1810/main.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"log"
 
+	tfprovider "github.com/hashicorp/terraform-plugin-framework/provider"
 	"github.com/hashicorp/terraform-plugin-framework/providerserver"
 
 	"terraform-provider-hpe1810/internal/provider"
@@ -15,12 +16,18 @@ import (
 var version = "dev"
 
 func main() {
-	err := providerserver.Serve(context.Background(), provider.New(version), providerserver.ServeOpts{
+	p := provider.New(version)
+	err := providerserver.Serve(context.Background(), func() tfprovider.Provider { return p }, providerserver.ServeOpts{
 		// Only meaningful once/if this is ever published; for local
 		// development with dev_overrides (~/.tofurc) this address just
 		// needs to match what's referenced there.
 		Address: "local/joachimfriberg/hpe1810",
 	})
+	// Best-effort: optionally save the running config (if save_running_config=true
+	// and something actually changed this run), then always free up the switch's
+	// one session slot so the next `tofu` invocation doesn't have to wait out the
+	// switch's own session timeout.
+	p.Shutdown()
 	if err != nil {
 		log.Fatal(err.Error())
 	}