fix: tui crash when no authed providers and default provider disabled (#4964)

packages/opencode/src/cli/cmd/tui/component/prompt/index.tsx

@@ -22,6 +22,9 @@ import { TuiEvent } from "../../event"
 import { iife } from "@/util/iife"
 import { Locale } from "@/util/locale"
 import { createColors, createFrames } from "../../ui/spinner.ts"
+import { useDialog } from "@tui/ui/dialog"
+import { DialogProvider as DialogProviderConnect } from "../dialog-provider"
+import { useToast } from "../../ui/toast"
 
 export type PromptProps = {
   sessionID?: string
@@ -50,12 +53,25 @@ export function Prompt(props: PromptProps) {
   const sdk = useSDK()
   const route = useRoute()
   const sync = useSync()
+  const dialog = useDialog()
+  const toast = useToast()
   const status = createMemo(() => sync.data.session_status[props.sessionID ?? ""] ?? { type: "idle" })
   const history = usePromptHistory()
   const command = useCommandDialog()
   const renderer = useRenderer()
   const { theme, syntax } = useTheme()
 
+  function promptModelWarning() {
+    toast.show({
+      variant: "warning",
+      message: "Connect a provider to send prompts",
+      duration: 3000,
+    })
+    if (sync.data.provider.length === 0) {
+      dialog.replace(() => <DialogProviderConnect />)
+    }
+  }
+
   const textareaKeybindings = createMemo(() => {
     const newlineBindings = keybind.all.input_newline || []
     const submitBindings = keybind.all.input_submit || []
@@ -388,6 +404,11 @@ export function Prompt(props: PromptProps) {
     if (props.disabled) return
     if (autocomplete.visible) return
     if (!store.prompt.input) return
+    const selectedModel = local.model.current()
+    if (!selectedModel) {
+      promptModelWarning()
+      return
+    }
     const sessionID = props.sessionID
       ? props.sessionID
       : await (async () => {
@@ -424,8 +445,8 @@ export function Prompt(props: PromptProps) {
         body: {
           agent: local.agent.current().name,
           model: {
-            providerID: local.model.current().providerID,
-            modelID: local.model.current().modelID,
+            providerID: selectedModel.providerID,
+            modelID: selectedModel.modelID,
           },
           command: inputText,
         },
@@ -448,7 +469,7 @@ export function Prompt(props: PromptProps) {
           command: command.slice(1),
           arguments: args.join(" "),
           agent: local.agent.current().name,
-          model: `${local.model.current().providerID}/${local.model.current().modelID}`,
+          model: `${selectedModel.providerID}/${selectedModel.modelID}`,
           messageID,
         },
       })
@@ -458,10 +479,10 @@ export function Prompt(props: PromptProps) {
           id: sessionID,
         },
         body: {
-          ...local.model.current(),
+          ...selectedModel,
           messageID,
           agent: local.agent.current().name,
-          model: local.model.current(),
+          model: selectedModel,
           parts: [
             {
               id: Identifier.ascending("part"),