v0.13.0: UI polish fixes (8 improvements)

- Fix 1: Dashboard backup card border (verified already correct)
- Fix 2: Show auto-generated env values on deploy page with copy/reveal
- Fix 3: Temperature value pill for better visibility on dashboard
- Fix 4: Rework dashboard backup section (remove manual trigger, add Tier 2 summary)
- Fix 5: Scope HDD warning banner to dashboard and monitoring pages only
- Fix 6: Move Tárhely section up in monitoring page
- Fix 7: Snapshot table clarity (HOZZÁADOTT header, n/a instead of -)
- Fix 8: Restructure Tároló section into tiered storage view

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

controller/internal/web/alerts.go

@@ -3,6 +3,7 @@ package web
 import (
 	"fmt"
 	"log"
+	"strings"
 	"sync"
 
 	"gitea.dooplex.hu/admin/felhom-controller/internal/backup"
@@ -12,11 +13,12 @@ import (
 
 // Alert represents a persistent dashboard alert banner.
 type Alert struct {
-	ID       string // unique identifier for filtering
-	Level    string // "error", "warning", "info"
-	Message  string // Hungarian display text
-	Link     string // optional link to relevant page
-	LinkText string // link display text
+	ID       string   // unique identifier for filtering
+	Level    string   // "error", "warning", "info"
+	Message  string   // Hungarian display text
+	Link     string   // optional link to relevant page
+	LinkText string   // link display text
+	PageOnly []string // if non-empty, only show on these pages (e.g., ["dashboard", "monitoring"])
 }
 
 // AlertManager generates and stores dashboard alerts from health check results.
@@ -53,13 +55,19 @@ func (am *AlertManager) Refresh(report *monitor.HealthReport, cfg *config.Config
 
 	// From health check warnings
 	for _, w := range report.Warnings {
-		alerts = append(alerts, Alert{
+		alert := Alert{
 			ID:       "health-" + simpleHash(w),
 			Level:    "warning",
 			Message:  w,
 			Link:     "/monitoring",
 			LinkText: "Rendszermonitor",
-		})
+		}
+		// Disk-related warnings only relevant on dashboard and monitoring pages
+		if strings.Contains(w, "meghajtón") || strings.Contains(w, "adattároló") || strings.Contains(w, "meghajtó") {
+			alert.ID = "disk-not-separate"
+			alert.PageOnly = []string{"dashboard", "monitoring"}
+		}
+		alerts = append(alerts, alert)
 	}
 
 	// Missing ping UUIDs