Skip to content

fix: blank assistant text - finish-reason regression after AI SDK v6 migration #20467

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
kkugot wants to merge 2 commits into
base: dev
Choose a base branch
from
+26 −6
Open

fix: blank assistant text - finish-reason regression after AI SDK v6 migration #20467

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
6e53b30
fix: blank assistant text with MCP enabled after AI SDK v6 migration
Apr 1, 2026
1b9e698
fix: hide empty intermediate assistant messages in TUI
Apr 13, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
28 changes: 24 additions & 4 deletions packages/opencode/src/cli/cmd/tui/routes/session/index.tsx
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1349,7 +1349,7 @@ function AssistantMessage(props: { message: AssistantMessage; parts: Part[]; las
const model = createMemo(() => Model.name(ctx.providers(), props.message.providerID, props.message.modelID))

const final = createMemo(() => {
return props.message.finish && !["tool-calls", "unknown"].includes(props.message.finish)
return props.message.finish && !["tool-calls", "unknown", "other"].includes(props.message.finish)
})

const duration = createMemo(() => {
Expand All @@ -1362,8 +1362,28 @@ function AssistantMessage(props: { message: AssistantMessage; parts: Part[]; las

const keybind = useKeybind()

const footer = createMemo(
() => props.last || final() || props.message.error?.name === "MessageAbortedError",
)

const visible = createMemo(() => {
if (footer()) return true
if (props.message.error && props.message.error.name !== "MessageAbortedError") return true
for (const part of props.parts) {
if (part.type === "text" && (part as TextPart).text.trim()) return true
if (part.type === "tool" && (ctx.showDetails() || (part as ToolPart).state.status !== "completed")) return true
if (
part.type === "reasoning" &&
ctx.showThinking() &&
(part as ReasoningPart).text.replace("[REDACTED]", "").trim()
)
return true
}
return false
})

return (
<>
<Show when={visible()}>
<For each={props.parts}>
{(part, index) => {
const component = createMemo(() => PART_MAPPING[part.type as keyof typeof PART_MAPPING])
Expand Down Expand Up @@ -1402,7 +1422,7 @@ function AssistantMessage(props: { message: AssistantMessage; parts: Part[]; las
</box>
</Show>
<Switch>
<Match when={props.last || final() || props.message.error?.name === "MessageAbortedError"}>
<Match when={footer()}>
<box paddingLeft={3}>
<text marginTop={1}>
<span
Expand All @@ -1427,7 +1447,7 @@ function AssistantMessage(props: { message: AssistantMessage; parts: Part[]; las
</box>
</Match>
</Switch>
</>
</Show>
)
}

Expand Down
4 changes: 2 additions & 2 deletions packages/opencode/src/session/prompt.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1354,7 +1354,7 @@ NOTE: At any point in time through this workflow you should feel free to ask the

if (
lastAssistant?.finish &&
!["tool-calls"].includes(lastAssistant.finish) &&
!["tool-calls", "other"].includes(lastAssistant.finish) &&
!hasToolCalls &&
lastUser.id < lastAssistant.id
) {
Expand Down Expand Up @@ -1511,7 +1511,7 @@ NOTE: At any point in time through this workflow you should feel free to ask the
return "break" as const
}

const finished = handle.message.finish && !["tool-calls", "unknown"].includes(handle.message.finish)
const finished = handle.message.finish && !["tool-calls", "other"].includes(handle.message.finish)
if (finished && !handle.message.error) {
if (format.type === "json_schema") {
handle.message.error = new MessageV2.StructuredOutputError({
Expand Down
Loading