fix: recover externally removed Talos VMs

internal/bootstrap/bootstrap.go

@@ -1406,6 +1406,10 @@ func terraformReconcileTargets(cfg config.Config) []string {
 
 func (r Runner) rebuildTalosVMs(terraformDir string, environment []string) error {
 	if err := r.importConfiguredTalosVMs(terraformDir, environment); err != nil {
+		var apiErr proxmox.APIError
+		if errors.As(err, &apiErr) && apiErr.StatusCode == 404 {
+			return nil
+		}
 		return err
 	}
 	return destroyTalosVMs(terraformDir, environment)

internal/bootstrap/bootstrap_test.go

@@ -4,6 +4,7 @@ import (
 	"encoding/base64"
 	"encoding/json"
 	"errors"
+	"fmt"
 	"net/http"
 	"net/http/httptest"
 	"os"
@@ -17,6 +18,7 @@ import (
 	"github.com/Pingu-Studio/MaidnCLI/internal/config"
 	"github.com/Pingu-Studio/MaidnCLI/internal/forgejo"
 	"github.com/Pingu-Studio/MaidnCLI/internal/openbao"
+	"github.com/Pingu-Studio/MaidnCLI/internal/proxmox"
 	"gopkg.in/yaml.v3"
 )
 
@@ -1278,6 +1280,48 @@ func TestRebuildTerraformRetainsFullTalosVMLifecycle(t *testing.T) {
 	}
 }
 
+func TestRebuildTerraformSkipsAlreadyAbsentTalosVM(t *testing.T) {
+	originalVerify := verifyTalosVMs
+	originalRun := runTerraform
+	originalDestroy := destroyTalosVMs
+	t.Cleanup(func() {
+		verifyTalosVMs = originalVerify
+		runTerraform = originalRun
+		destroyTalosVMs = originalDestroy
+	})
+
+	cfg := config.Config{ClusterID: "test-cluster", Talos: config.TalosConfig{
+		Nodes: []config.TalosNode{{Name: "cp-01", ProxmoxNode: "pve", VMID: 100, Role: "controlplane"}},
+	}}
+	var events []string
+	verifyTalosVMs = func(config.Config) error {
+		return fmt.Errorf("inspect configured Talos VM: %w", proxmox.APIError{StatusCode: 404})
+	}
+	destroyTalosVMs = func(string, []string) error {
+		t.Fatal("destroy ran for an already-absent VM")
+		return nil
+	}
+	runTerraform = func(_ string, _ []string, name string, args ...string) error {
+		if name != "terraform" {
+			t.Fatalf("unexpected command %q", name)
+		}
+		switch args[0] {
+		case "init", "plan", "apply":
+			events = append(events, args[0])
+		default:
+			t.Fatalf("unexpected Terraform operation %q", args[0])
+		}
+		return nil
+	}
+
+	if err := (Runner{Config: cfg, Mode: Rebuild}).reconcileTerraform(t.TempDir()); err != nil {
+		t.Fatal(err)
+	}
+	if strings.Join(events, ",") != "init,plan,apply" {
+		t.Fatalf("Terraform phase order = %q", events)
+	}
+}
+
 func TestEnsureLifecycleIdentityStoresMetadataUnderGeneratedDirectory(t *testing.T) {
 	repo := t.TempDir()
 	terraformDir := filepath.Join(repo, "terraform")