fix(tui): preserve filtered model provider selection

ui-tui/src/__tests__/modelPicker.test.ts

@@ -0,0 +1,22 @@
+import { describe, expect, it } from 'vitest'
+
+import { providerIndexAfterClearingFilter } from '../components/modelPicker.js'
+import type { ModelOptionProvider } from '../gatewayTypes.js'
+
+const provider = (slug: string, name = slug): ModelOptionProvider => ({ name, slug })
+
+describe('ModelPicker provider filtering', () => {
+  it('keeps the selected provider when clearing the provider filter', () => {
+    const nous = provider('nous', 'Nous Portal')
+    const ollama = provider('ollama-cloud', 'Ollama Cloud')
+
+    const rows = [
+      { name: nous.name, provider: nous },
+      { name: ollama.name, provider: ollama }
+    ]
+
+    // With a provider-stage filter like "ollama", the selected row is index 0
+    // in the filtered list, but index 1 in the full list after setFilter('').
+    expect(providerIndexAfterClearingFilter(rows, ollama)).toBe(1)
+  })
+})

ui-tui/src/components/modelPicker.tsx

@@ -17,6 +17,16 @@ const MAX_WIDTH = 90
 
 type Stage = 'provider' | 'key' | 'model' | 'disconnect'
 
+type ProviderRow = { name: string; provider: ModelOptionProvider }
+
+export function providerIndexAfterClearingFilter(providerRows: ProviderRow[], provider: ModelOptionProvider | undefined) {
+  if (!provider) {
+    return -1
+  }
+
+  return providerRows.findIndex(row => row.provider.slug === provider.slug)
+}
+
 export function ModelPicker({ allowPersistGlobal = true, gw, onCancel, onSelect, sessionId, t }: ModelPickerProps) {
   const [providers, setProviders] = useState<ModelOptionProvider[]>([])
   const [currentModel, setCurrentModel] = useState('')
@@ -307,6 +317,12 @@ export function ModelPicker({ allowPersistGlobal = true, gw, onCancel, onSelect,
         if (provider.authenticated === false) {
           // api_key providers: prompt for key inline
           if (provider.auth_type === 'api_key' && provider.key_env) {
+            const fullProviderIdx = providerIndexAfterClearingFilter(providerRows, provider)
+
+            if (fullProviderIdx >= 0) {
+              setProviderIdx(fullProviderIdx)
+            }
+
             setStage('key')
             setKeyInput('')
             setKeyError('')
@@ -317,6 +333,12 @@ export function ModelPicker({ allowPersistGlobal = true, gw, onCancel, onSelect,
           return
         }
 
+        const fullProviderIdx = providerIndexAfterClearingFilter(providerRows, provider)
+
+        if (fullProviderIdx >= 0) {
+          setProviderIdx(fullProviderIdx)
+        }
+
         setStage('model')
         setModelIdx(0)
         setFilter('')
@@ -365,7 +387,14 @@ export function ModelPicker({ allowPersistGlobal = true, gw, onCancel, onSelect,
 
     // Disconnect (Ctrl+D): only in provider stage, only for authenticated providers.
     if (key.ctrl && ch === 'd' && stage === 'provider' && provider?.authenticated !== false) {
+      const fullProviderIdx = providerIndexAfterClearingFilter(providerRows, provider)
+
+      if (fullProviderIdx >= 0) {
+        setProviderIdx(fullProviderIdx)
+      }
+
       setStage('disconnect')
+      setFilter('')
 
       return
     }