W13 new-drive pages pre-fill the next free hdd_N and answer a bad name visibly; W14 drive operator detail behind Részletek; W29 plain decommission names no move; unreleased

controller/internal/web/storage_handlers.go

@@ -10,6 +10,7 @@ import (
 	"path"
 	"path/filepath"
 	"regexp"
+	"strconv"
 	"strings"
 	"time"
 
@@ -54,6 +55,22 @@ func mountWhere(name string) (string, error) {
 	return "/mnt/" + name, nil
 }
 
+// nextFreeMountName is the first hdd_N (N from 1) whose /mnt/hdd_N is not a registered storage path — a
+// decommissioned one counts as taken, so a new drive never reuses an old drive's name (W13). Pinned by
+// TestW13_StorageInitSuggestsTheNextFreeNameAndNeverFailsSilently.
+func nextFreeMountName(registered []settings.StoragePath) string {
+	taken := map[string]bool{}
+	for _, sp := range registered {
+		taken[path.Clean(sp.Path)] = true
+	}
+	for n := 1; ; n++ {
+		name := "hdd_" + strconv.Itoa(n)
+		if !taken["/mnt/"+name] {
+			return name
+		}
+	}
+}
+
 // fsUUIDForDevice re-lists the agent's disks and returns the fs UUID of the storage backed by `device`
 // (the only way the de-privileged controller learns the UUID it must pass to assign). "" if not found.
 func fsUUIDForDevice(disks agentapi.DisksResponse, device string) string {
@@ -373,6 +390,12 @@ func (s *Server) storageWizardPageHandler(w http.ResponseWriter, r *http.Request
 	}
 	data := s.baseData(tmpl, title)
 	data["TitleKey"] = titleKey // i18n: the Hungarian title above is what hu renders
+	// W13 (rehearsal 2026-10-20): the mount-name box was empty and a household did not know what to type.
+	var registered []settings.StoragePath
+	if s.settings != nil {
+		registered = s.settings.GetStoragePaths()
+	}
+	data["SuggestedMountName"] = nextFreeMountName(registered)
 	// executeTemplate, NOT render(): the wizard POSTs /api/storage/* with the csrf-meta token,
 	// and render() leaves {{.CSRFToken}} empty. Latent until the claim arc — on an unclaimed
 	// (auth-off) box CsrfProtect is skipped entirely, so the wizard had never run against a