fix(ui): stop cancelled imports before success

Cancelled gallery jobs also set processed. Handle cancellation before
completion so imports do not announce success or open a missing model.

Assisted-by: Codex:gpt-6
Signed-off-by: Plamen K. Kosseff <p.kosseff@gmail.com>

core/http/react-ui/src/pages/ImportModel.jsx

@@ -241,14 +241,15 @@ export default function ImportModel() {
     pollRef.current = setInterval(async () => {
       try {
         const data = await modelsApi.getJobStatus(jobId)
-        if (data.error || (data.message && data.message.startsWith('error:'))) {
+        if (data.cancelled || data.error || (data.message && data.message.startsWith('error:'))) {
           transferRateRef.current.reset(jobId)
           clearInterval(pollRef.current)
           pollRef.current = null
           setIsSubmitting(false)
           setJob(null)
           let msg = 'Unknown error'
-          if (typeof data.error === 'string') msg = data.error
+          if (data.cancelled) msg = 'Import cancelled'
+          else if (typeof data.error === 'string') msg = data.error
           else if (data.error?.message) msg = data.error.message
           else if (data.message) msg = data.message
           if (msg.startsWith('error: ')) msg = msg.substring(7)

core/http/react-ui/src/pages/ModelEditor.jsx

@@ -297,6 +297,7 @@ export default function ModelEditor() {
       await new Promise(r => setTimeout(r, 1000))
       let data
       try { data = await modelsApi.getJobStatus(jobId) } catch { continue }
+      if (data?.cancelled) throw new Error('Import cancelled')
       if (data?.error) {
         throw new Error(typeof data.error === 'string' ? data.error : 'model asset download failed')
       }

docs/content/getting-started/models.md

@@ -135,6 +135,10 @@ answers a queued import with a job id and a status URL to poll
 (`/models/jobs/{id}` — the same shape gallery installs use), and a
 download-free import with a plain success response.
 
+If you cancel a queued import, the import page and model editor report the
+cancellation and stay on the current page. They report success only after the
+job succeeds.
+
 ## Method 2: Installing from Hugging Face
 
 LocalAI can directly install models from Hugging Face: