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fix: auto-continue on empty streaming response #242

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Merged
avoidwork merged 1 commit into from
Jun 14, 2026
Merged

fix: auto-continue on empty streaming response #242

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180 changes: 176 additions & 4 deletions src/tui/app.js
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Original file line number Diff line number Diff line change
Expand Up @@ -332,7 +332,92 @@ export default function App({
},
);

const responseContent = committedContent;
let responseContent = committedContent;

// Auto-continue if the agent stalled with zero text output
if (!responseContent.trim() && !isQuittingRef.current) {
// Show tool results so the user knows work happened
if (lastToolCallDisplay) {
setMessages((prev) => {
const cloned = [...prev];
const last = cloned[cloned.length - 1];
if (last.role === "assistant" && last.streaming) {
last.toolCallDisplay = lastToolCallDisplay;
}
return cloned;
});
}

// Send a quiet continuation signal to the agent
setStatusMessage("Continuing...");
try {
await dispatchProvider(
"Please continue.",
sessionState ? sessionState.getProvider() : null,
(event) => {
if (isQuittingRef.current) return;
try {
if (event.type === "text") {
responseContent += event.text;
setMessages((prev) => {
const cloned = [...prev];
const last = cloned[cloned.length - 1];
if (last.role === "assistant" && last.streaming) {
last.content = responseContent + "\u2588";
}
return cloned;
});
} else if (event.type === "tool_start") {
setMessages((prev) => {
const cloned = [...prev];
const last = cloned[cloned.length - 1];
if (last.role === "assistant" && last.streaming) {
last.activeToolCall = { name: event.toolName };
}
return cloned;
});
} else if (event.type === "tool_end") {
const resultLine = event.data
? ` Result: ${JSON.stringify(event.data).slice(0, 200)}`
: "";
const displayLine = event.toolName
? `- Tool: ${event.toolName}${resultLine}`
: `- Tool: ${event.toolCallId || "unknown"}${resultLine}`;
lastToolCallDisplay =
(lastToolCallDisplay ? lastToolCallDisplay + "\n" : "") + displayLine;
setMessages((prev) => {
const cloned = [...prev];
const last = cloned[cloned.length - 1];
if (last.role === "assistant" && last.streaming) {
last.activeToolCall = null;
last.toolCallDisplay = lastToolCallDisplay;
}
return cloned;
});
} else if (event.type === "tool_error") {
const errorLine = event.toolName
? `- Tool: ${event.toolName} (error: ${event.error})`
: `- Tool call failed (${event.toolCallId || "unknown"})`;
lastToolCallDisplay =
(lastToolCallDisplay ? lastToolCallDisplay + "\n" : "") + errorLine;
setMessages((prev) => {
const cloned = [...prev];
const last = cloned[cloned.length - 1];
if (last.role === "assistant" && last.streaming) {
last.activeToolCall = null;
last.toolCallDisplay = lastToolCallDisplay;
}
return cloned;
});
}
} catch (_cbErr) {}
},
);
setStatusMessage("Done");
} catch (contErr) {
setStatusMessage(`Error continuing: ${contErr.message}`);
}
}

if (isQuittingRef.current) return;

Expand Down Expand Up @@ -363,8 +448,6 @@ export default function App({
content: responseContent,
});
}

setStatusMessage("Done");
} catch (err) {
setMessages((prev) => {
const cloned = [...prev];
Expand Down Expand Up @@ -544,7 +627,96 @@ export default function App({
// committedContent is accumulated from streaming text events —
// this is the actual AI response. response.content is only the
// originalMessage fallback from callReactAgentStreaming.
const responseContent = committedContent;
let responseContent = committedContent;

// Auto-continue if the agent stalled with zero text output
if (!responseContent.trim() && !isQuittingRef.current) {
// Show tool results so the user knows work happened
if (lastToolCallDisplay) {
setMessages((prev) => {
const cloned = [...prev];
const last = cloned[cloned.length - 1];
if (last.role === "assistant" && last.streaming) {
last.toolCallDisplay = lastToolCallDisplay;
}
return cloned;
});
}

// Send a quiet continuation signal to the agent
setStatusMessage("Continuing...");
try {
await dispatchProvider(
"Please continue.",
sessionState ? sessionState.getProvider() : null,
(event) => {
if (isQuittingRef.current) return;
try {
if (event.type === "text") {
responseContent += event.text;
setMessages((prev) => {
const cloned = [...prev];
const last = cloned[cloned.length - 1];
if (last.role === "assistant" && last.streaming) {
last.content = responseContent + "\u2588";
}
return cloned;
});
} else if (event.type === "tool_start") {
setMessages((prev) => {
const cloned = [...prev];
const last = cloned[cloned.length - 1];
if (last.role === "assistant" && last.streaming) {
last.activeToolCall = { name: event.toolName };
}
return cloned;
});
} else if (event.type === "tool_end") {
const resultLine = event.data
? ` Result: ${JSON.stringify(event.data).slice(0, 200)}`
: "";
const displayLine = event.toolName
? `- Tool: ${event.toolName}${resultLine}`
: `- Tool: ${event.toolCallId || "unknown"}${resultLine}`;
lastToolCallDisplay =
(lastToolCallDisplay ? lastToolCallDisplay + "\n" : "") + displayLine;
setMessages((prev) => {
const cloned = [...prev];
const last = cloned[cloned.length - 1];
if (last.role === "assistant" && last.streaming) {
last.activeToolCall = null;
last.toolCallDisplay = lastToolCallDisplay;
}
return cloned;
});
} else if (event.type === "tool_error") {
const errorLine = event.toolName
? `- Tool: ${event.toolName} (error: ${event.error})`
: `- Tool call failed (${event.toolCallId || "unknown"})`;
lastToolCallDisplay =
(lastToolCallDisplay ? lastToolCallDisplay + "\n" : "") + errorLine;
setMessages((prev) => {
const cloned = [...prev];
const last = cloned[cloned.length - 1];
if (last.role === "assistant" && last.streaming) {
last.activeToolCall = null;
last.toolCallDisplay = lastToolCallDisplay;
}
return cloned;
});
} else if (event.type === "compaction_start") {
setIsCompacting(true);
} else if (event.type === "compaction_end") {
setIsCompacting(false);
}
} catch (_cbErr) {}
},
);
setStatusMessage("Received response");
} catch (contErr) {
setStatusMessage(`Error continuing: ${contErr.message}`);
}
}

if (isQuittingRef.current) return;

Expand Down