feat(display): admin enable/disable toggle

is_enabled column on displays (default 1). Disabled displays are filtered
from the kiosk bundle so the kiosk never opens a window on them. Admin
edit page exposes a checkbox; list page shows a "disabled" badge.

server/src/plugins/service-admin-http/routes-admin.ts

@@ -973,6 +973,7 @@ export function registerAdminRoutes(app: H3, deps: AdminDeps): void {
       default_layout_id: validatedDefault,
       idle_timeout_seconds: parseInt(body?.["idle_timeout_seconds"] ?? "0", 10),
       sleep_timeout_seconds: parseInt(body?.["sleep_timeout_seconds"] ?? "0", 10),
+      is_enabled: body?.["is_enabled"] === "on" || body?.["is_enabled"] === "1" ? 1 : 0,
     } as any);
     notifyKiosks();
     return new Response(null, { status: 302, headers: { location: `/admin/displays/${id}` } });

server/src/plugins/service-store/mappers.ts

@@ -127,6 +127,7 @@ export function rowToDisplay(r: Row): Display {
     desired_power_state: s(r["desired_power_state"]) as DesiredPowerState,
     state_check_enabled: b(r["state_check_enabled"]),
     state_check_interval_seconds: n(r["state_check_interval_seconds"]),
+    is_enabled: b(r["is_enabled"]),
   };
 }
 

server/src/plugins/service-store/migrations.ts

@@ -652,4 +652,9 @@ export const MIGRATIONS: readonly MigrationEntry[] = [
     created_at TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ', 'now'))
   ) STRICT`,
   `CREATE INDEX IF NOT EXISTS idx_kiosk_gpio_bindings_kiosk ON kiosk_gpio_bindings(kiosk_id)`,
+
+  // ---- displays.is_enabled — admin toggle to suppress window on a display ----
+  (db: DatabaseSync) => {
+    addColumnIfNotExists(db, "displays", "is_enabled", "INTEGER NOT NULL DEFAULT 1");
+  },
 ];

server/src/shared/bundle.ts

@@ -116,10 +116,12 @@ export function generateBundle(
   // Find all displays for this kiosk (displays now point to kiosks via kiosk_id)
   const kioskDisplays = repo.listDisplaysForKiosk(kioskId);
   // Fall back to legacy kiosk.display_id if no displays point to this kiosk yet
-  const displays = kioskDisplays.length > 0
+  const allDisplays = kioskDisplays.length > 0
     ? kioskDisplays
     : (kiosk.display_id ? [repo.getDisplayById(kiosk.display_id)].filter((d): d is NonNullable<typeof d> => d != null) : []);
 
+  // Admin can disable a display — kiosk must never open a window on it.
+  const displays = allDisplays.filter((d) => d.is_enabled);
   if (displays.length === 0) return null;
 
   // Collect camera IDs across ALL displays' layouts (de-duped).

server/src/shared/types.ts

@@ -99,6 +99,7 @@ export interface Display {
   desired_power_state: DesiredPowerState;
   state_check_enabled: boolean;
   state_check_interval_seconds: number;
+  is_enabled: boolean;
 }
 
 export interface Camera {

server/src/web-templates/admin-pages.tsx

@@ -2328,6 +2328,21 @@ export function DisplayEditPage(props: DisplayEditPageProps) {
               <input id="name" name="name" type="text" class="form-input" value={d.name} required />
             </div>
 
+            <div class="form-group">
+              <label style="display:flex; align-items:center; gap:0.5rem; cursor:pointer">
+                <input
+                  type="checkbox"
+                  name="is_enabled"
+                  value="on"
+                  checked={d.is_enabled}
+                />
+                <span>Enabled</span>
+              </label>
+              <div class="form-hint">
+                When disabled, the kiosk will not open a window on this display. Display stays in the list so you can re-enable it later.
+              </div>
+            </div>
+
             <div class="form-group">
               <label for="default_layout_id">Default Layout</label>
               <select id="default_layout_id" name="default_layout_id" class="form-input">
@@ -2407,7 +2422,12 @@ export function DisplaysPage(props: DisplaysPageProps) {
             ) : (
               props.displays.map((d) => (
                 <tr>
-                  <td><a href={`/admin/displays/${d.id}`}><strong>{d.name}</strong></a></td>
+                  <td>
+                    <a href={`/admin/displays/${d.id}`}><strong>{d.name}</strong></a>
+                    {!d.is_enabled && (
+                      <span style="margin-left:0.5rem; padding:0.1rem 0.4rem; font-size:0.7rem; background:#fee; color:#a00; border-radius:3px">disabled</span>
+                    )}
+                  </td>
                   <td style="color:#666">{String(d.width_px)}x{String(d.height_px)} — index {String(d.index)}</td>
                 </tr>
               ))