feat: fetch APInex models from main thread, populate default-model dropdown (networkAccess added)

src/main.ts

@@ -502,6 +502,31 @@ export default function () {
     })
   })
 
+  // UI asks to list models for a provider. Network must run here (main thread) —
+  // the plugin UI iframe is CSP-sandboxed and cannot fetch external URLs.
+  on('FETCH_MODELS', async function (payload: { baseUrl: string, apiKey: string }) {
+    try {
+      const base = payload.baseUrl.replace(/\/+$/, '')
+      const res = await fetch(base + '/models', {
+        headers: { Authorization: 'Bearer ' + payload.apiKey }
+      })
+      if (!res.ok) {
+        emit('MODELS_RESULT', { ok: false, error: 'HTTP ' + res.status, models: [] })
+        return
+      }
+      const json: any = await res.json()
+      let models: string[] = []
+      if (Array.isArray(json.data)) {
+        models = json.data.map((m: any) => m.id).filter((x: any) => typeof x === 'string' && x.length > 0)
+      } else if (Array.isArray(json.models)) {
+        models = json.models.map((m: any) => m.id || m).filter((x: any) => typeof x === 'string')
+      }
+      emit('MODELS_RESULT', { ok: true, models })
+    } catch (e) {
+      emit('MODELS_RESULT', { ok: false, error: String(e), models: [] })
+    }
+  })
+
   showUI({ width: 320, height: 200, themeColors: true, title: 'AI assistant (MVP)' })
 
   // Restore persisted window placement (saved in clientStorage on the Figma file).

src/settings.ts

@@ -12,6 +12,7 @@ export interface ProviderConfig {
   baseUrl: string
   apiKey: string
   defaultModel: string
+  models: string[]
 }
 
 export interface Settings {
@@ -44,7 +45,8 @@ export function createApinexProvider (): ProviderConfig {
     type: 'apinex',
     baseUrl: APINEX_BASE_URL,
     apiKey: '',
-    defaultModel: ''
+    defaultModel: '',
+    models: []
   }
 }
 

src/ui.tsx

@@ -60,6 +60,30 @@ function SettingsPanel (props: { settings: Settings, setSettings: (s: Settings)
   const [showKey, setShowKey] = useState(false)
   const [savedNote, setSavedNote] = useState(false)
   const fileInputRef = useRef<HTMLInputElement>(null)
+  const [modelsError, setModelsError] = useState<string | null>(null)
+  const settingsRef = useRef<Settings>(settings)
+  settingsRef.current = settings
+
+  useEffect(function () {
+    const dispose = on('MODELS_RESULT', function (payload: { ok: boolean, models: string[], error?: string }) {
+      if (!payload.ok) { setModelsError(payload.error != null ? payload.error : 'Failed to load models'); return }
+      setModelsError(null)
+      const prev = settingsRef.current
+      setSettings({
+        ...prev,
+        providers: prev.providers.map(function (p) {
+          return p.id === prev.activeProviderId ? { ...p, models: payload.models } : p
+        })
+      })
+    })
+    return dispose
+  }, [])
+
+  function fetchModels () {
+    if (active == null) return
+    setModelsError(null)
+    emit('FETCH_MODELS', { baseUrl: active.baseUrl, apiKey: active.apiKey })
+  }
 
   const active = settings.providers.find(function (p) { return p.id === settings.activeProviderId }) || null
 
@@ -159,7 +183,18 @@ function SettingsPanel (props: { settings: Settings, setSettings: (s: Settings)
           </label>
           <label style={fieldStyle}>
             <span style={labelStyle}>Default model</span>
-            <Textbox value={active.defaultModel} placeholder="gpt-5-6-terra" onValueInput={function (v: string) { patchActive({ defaultModel: v }) }} />
+            <div style={{ display: 'flex', gap: 'var(--space-4)', alignItems: 'center' }}>
+              <Dropdown
+                placeholder={active.models.length > 0 ? 'Select model' : 'Fetch models first'}
+                value={active.defaultModel}
+                onValueChange={function (id: string) { patchActive({ defaultModel: id }) }}
+                options={(active.models || []).map(function (m) { return { value: m, text: m } })}
+              />
+              <Button onClick={fetchModels} disabled={active.apiKey.trim() === ''}>Fetch</Button>
+            </div>
+            {modelsError != null && (
+              <Muted style={{ color: 'var(--figma-color-text-danger)' }}>{modelsError}</Muted>
+            )}
           </label>
         </section>
       )}