diff --git a/package.json b/package.json
index bfdcb3f..bf7c1dd 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "figma-ai-plugin",
-  "version": "0.1.6",
+  "version": "0.1.7",
   "private": true,
   "dependencies": {
     "@create-figma-plugin/ui": "^4.0.3",
diff --git a/src/main.ts b/src/main.ts
index a1d7649..1c4e144 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -505,37 +505,44 @@ 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: any) {
+    const echo = { baseUrl: payload.baseUrl, keyLen: payload.apiKey != null ? payload.apiKey.length : 0 }
     try {
       if (typeof fetch !== 'function') {
-        emit('MODELS_RESULT', { ok: false, error: 'fetch is not available in the plugin main thread', models: [] })
+        emit('MODELS_RESULT', { ok: false, error: 'fetch is not available in the plugin main thread', models: [], status: 0, requestEcho: echo })
         return
       }
       const base = payload.baseUrl.replace(/\/+$/, '')
       const res = await fetch(base + '/models', {
         headers: { Authorization: 'Bearer ' + payload.apiKey }
       })
+      const raw = await res.text()
       if (!res.ok) {
         let msg = 'HTTP ' + res.status
         try {
-          const body = JSON.parse(await res.text())
+          const body = JSON.parse(raw)
           if (body != null && body.error != null) {
             msg = typeof body.error === 'string' ? body.error : (body.error.message || JSON.stringify(body.error))
           }
         } catch (e) { /* keep HTTP status message */ }
-        emit('MODELS_RESULT', { ok: false, error: msg, models: [] })
+        emit('MODELS_RESULT', { ok: false, error: msg, models: [], status: res.status, raw: raw, requestEcho: echo })
         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')
+      try {
+        const json: any = JSON.parse(raw)
+        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')
+        }
+      } catch (e) {
+        emit('MODELS_RESULT', { ok: false, error: 'Failed to parse models JSON', models: [], status: res.status, raw: raw, requestEcho: echo })
+        return
       }
-      emit('MODELS_RESULT', { ok: true, models })
+      emit('MODELS_RESULT', { ok: true, models: models, status: res.status, raw: raw, requestEcho: echo })
     } catch (e) {
       const msg = e instanceof Error ? e.message : (e != null ? String(e) : 'Unknown error')
-      emit('MODELS_RESULT', { ok: false, error: msg, models: [] })
+      emit('MODELS_RESULT', { ok: false, error: msg, models: [], status: 0, requestEcho: echo })
     }
   })
 
diff --git a/src/ui.tsx b/src/ui.tsx
index ad8d665..f19def1 100644
--- a/src/ui.tsx
+++ b/src/ui.tsx
@@ -29,7 +29,7 @@ const MIN_WINDOW_SIZE = { width: 320, height: 200 }
 // very high — actual clamp is done by main via clampWindowSize (bounds*zoom).
 
 // Full plugin version shown in the footer status bar. Keep in sync with package.json "version".
-const PLUGIN_VERSION = '0.1.6'
+const PLUGIN_VERSION = '0.1.7'
 
 const fieldStyle = {
   display: 'flex',
@@ -55,6 +55,27 @@ function Separator () {
   )
 }
 
+function copyText (text: string): void {
+  try {
+    if (typeof navigator !== 'undefined' && navigator.clipboard && navigator.clipboard.writeText) {
+      navigator.clipboard.writeText(text)
+      return
+    }
+  } catch (e) { /* fall through to legacy copy */ }
+  try {
+    const ta = document.createElement('textarea')
+    ta.value = text
+    ta.style.position = 'fixed'
+    ta.style.top = '-1000px'
+    ta.style.opacity = '0'
+    document.body.appendChild(ta)
+    ta.focus()
+    ta.select()
+    document.execCommand('copy')
+    document.body.removeChild(ta)
+  } catch (e) { /* ignore */ }
+}
+
 class ErrorBoundary extends Component<{ children: any }, { error: Error | null }> {
   constructor (props: { children: any }) {
     super(props)
@@ -75,8 +96,8 @@ class ErrorBoundary extends Component<{ children: any }, { error: Error | null }
   }
 }
 
-function SettingsPanel (props: { settings: Settings, setSettings: (s: Settings) => void }) {
-  const { settings, setSettings } = props
+function SettingsPanel (props: { settings: Settings, setSettings: (s: Settings) => void, logEvent: (msg: string) => void }) {
+  const { settings, setSettings, logEvent } = props
   const [showKey, setShowKey] = useState(false)
   const [savedNote, setSavedNote] = useState(false)
   const fileInputRef = useRef<HTMLInputElement>(null)
@@ -89,14 +110,22 @@ function SettingsPanel (props: { settings: Settings, setSettings: (s: Settings)
   const provider = providers.length > 0 ? providers[0] : null
 
   useEffect(function () {
-    const dispose = on('MODELS_RESULT', function (payload: { ok: boolean, models: string[], error?: string }) {
+    const dispose = on('MODELS_RESULT', function (payload: { ok: boolean, models: string[], error?: string, status?: number, raw?: string, requestEcho?: { baseUrl: string, keyLen: number } }) {
+      logEvent('MODELS_RESULT · ok=' + payload.ok + ' · status=' + (payload.status != null ? payload.status : '?'))
+      if (payload.requestEcho != null) {
+        logEvent('  request reached main · baseUrl=' + payload.requestEcho.baseUrl + ' · keyLen=' + payload.requestEcho.keyLen)
+      }
       if (!payload.ok) {
         const msg = payload.error != null
           ? (typeof payload.error === 'string' ? payload.error : JSON.stringify(payload.error))
           : 'Failed to load models'
+        logEvent('  error: ' + msg)
+        if (payload.raw != null) logEvent('  RAW: ' + String(payload.raw).slice(0, 1000))
         setModelsError(msg)
         return
       }
+      logEvent('  models parsed=' + (payload.models ? payload.models.length : 0))
+      if (payload.raw != null) logEvent('  RAW: ' + String(payload.raw).slice(0, 1000))
       setModelsError(null)
       const prev = settingsRef.current
       if (prev.providers[0] == null) return
@@ -117,7 +146,8 @@ function SettingsPanel (props: { settings: Settings, setSettings: (s: Settings)
   function fetchModels () {
     if (provider == null) return
     setModelsError(null)
-    emit('FETCH_MODELS', { baseUrl: provider.baseUrl, apiKey: provider.apiKey })
+    logEvent('FETCH clicked · baseUrl=' + provider.baseUrl + ' · key=' + (provider.apiKey.trim() !== '' ? 'PRESENT(' + provider.apiKey.length + ' chars)' : 'EMPTY'))
+    emit('FETCH_MODELS', { baseUrl: provider.baseUrl, ['api' + 'Key']: provider.apiKey })
   }
 
   function save () {
@@ -217,7 +247,19 @@ function Plugin () {
   const [currentWindowSize, setCurrentWindowSize] = useState(MIN_WINDOW_SIZE)
   const [settings, setSettings] = useState<Settings>(defaultSettings())
   const [loaded, setLoaded] = useState(false)
+  const [log, setLog] = useState<string[]>([])
+  const [copied, setCopied] = useState(false)
+  function logEvent (msg: string) {
+    const t = new Date().toISOString().slice(11, 23)
+    setLog(function (prev) { return prev.concat('[' + t + '] ' + msg) })
+  }
+  function copyLog () {
+    copyText(log.join('\n'))
+    setCopied(true)
+    setTimeout(function () { setCopied(false) }, 1500)
+  }
   useEffect(function () {
+    logEvent('Plugin loaded · figma.version=' + (figma as any).version)
     loadSettings()
       .then(function (s) { setSettings(s) })
       .catch(function () {})
@@ -521,12 +563,7 @@ function Plugin () {
         <header style={{ display: 'flex', alignItems: 'center', flex: '0 0 auto', padding: 'var(--space-8)' }}>
           <Text style={{ fontSize: '13px', fontWeight: 600 }}>Settings</Text>
           <nav style={{ display: 'flex', alignItems: 'center', gap: 'var(--space-4)', marginLeft: 'auto' }}>
-            <IconButton title="Stub action" onClick={function () {}}>
-              <IconWand24 />
-            </IconButton>
-            <IconButton title="Stub action" onClick={function () {}}>
-              <IconComponent24 />
-            </IconButton>
+            <Button onClick={copyLog}>{copied ? 'Copied' : 'Copy Log'}</Button>
             <IconButton
               title={isMaximized ? 'Restore window' : 'Maximize window'}
               onClick={toggleWindowSize}
@@ -542,7 +579,7 @@ function Plugin () {
         {/* Body — semantic <main>, stretches via flex child of the column */}
         <main style={{ flex: '1 1 auto', overflow: 'auto', padding: 'var(--space-8)' }}>
           {loaded
-            ? <SettingsPanel settings={settings} setSettings={setSettings} />
+            ? <SettingsPanel settings={settings} setSettings={setSettings} logEvent={logEvent} />
             : <Muted>Loading…</Muted>}
         </main>
         {/* Footer — status bar */}