Remove NewBook room blocking — app never writes to NewBook

Unsellable flag is in-app visibility only; staff mark rooms out of
order in NewBook through their own process. NewBook use is now
read-only (room sync + occupancy filter).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

frontend/src/components/NewTaskModal.tsx

@@ -2,7 +2,7 @@ import { useEffect, useMemo, useState } from 'react'
 import { X, Camera } from 'lucide-react'
 import type { Category, Location, Task, Priority, AppConfig, Asset } from '../types'
 import { PRIORITIES, PRIORITY_LABELS } from '../types'
-import { createTask, fetchTasks, uploadTaskPhoto, blockRoomInNewbook, fetchAssets } from '../api'
+import { createTask, fetchTasks, uploadTaskPhoto, fetchAssets } from '../api'
 import AssigneeSelect, { type Assignment } from './AssigneeSelect'
 import { PriorityBadge, StatusBadge } from './shared'
 
@@ -33,7 +33,6 @@ export default function NewTaskModal({ categories, locations, config, onClose, o
     contractor_id: config?.default_contractor_id ?? null,
   })
 
-  const location = useMemo(() => locations.find(l => l.id === locationId), [locations, locationId])
   const locationAssets = useMemo(
     () => assets.filter(a => a.location_id === locationId),
     [assets, locationId]
@@ -75,14 +74,6 @@ export default function NewTaskModal({ categories, locations, config, onClose, o
         await uploadTaskPhoto(task.id, file, 'report').catch(() => {})
       }
 
-      // Explicit confirm — never block a room in NewBook silently
-      if (unusable && location?.source === 'newbook') {
-        const ok = window.confirm(
-          `Also mark ${location.name} as out of order in NewBook (status: ${config?.newbook_block_status || 'Maintenance'}) so it can't be sold?`
-        )
-        if (ok) await blockRoomInNewbook(task.id).catch(err => window.alert(`NewBook block failed: ${err.message}`))
-      }
-
       onCreated()
       onClose()
     } catch (err) {
@@ -157,10 +148,15 @@ export default function NewTaskModal({ categories, locations, config, onClose, o
           </div>
         </div>
 
-        <label className="field-check" style={{ marginBottom: 12 }}>
+        <label className="field-check" style={{ marginBottom: unusable ? 4 : 12 }}>
           <input type="checkbox" checked={unusable} onChange={e => setUnusable(e.target.checked)} />
           Makes this location unusable / unsellable
         </label>
+        {unusable && (
+          <div className="field-hint" style={{ marginBottom: 12 }}>
+            This flag is for visibility here only — mark the room out of order in NewBook as usual.
+          </div>
+        )}
 
         <div className="field-row">
           <div className="field">