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Add telemetry for stuck cases #7

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Merged
YuliiaKovalova merged 1 commit into from
May 7, 2026
Merged

Add telemetry for stuck cases #7

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24 changes: 18 additions & 6 deletions src/chatParticipant.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -157,6 +157,7 @@ export class BinlogChatParticipant {
vscode.LanguageModelChatMessage.User(userMessage),
];

const state = { hadOutput: false, toolCallCount: 0 };
try {
const chatRequest = await model.sendRequest(
messages,
Expand All @@ -166,7 +167,7 @@ export class BinlogChatParticipant {
},
token,
);
await this.processResponse(chatRequest, messages, model, tools, stream, token);
await this.processResponse(chatRequest, messages, model, tools, stream, token, 0, state);
} catch (err) {
const errMsg = err instanceof Error ? err.message : String(err);
telemetry.trackError('chatParticipant', err);
Expand All @@ -192,8 +193,9 @@ export class BinlogChatParticipant {
},
token,
);
await this.processResponse(retry, fresh, model, tools, stream, token);
await this.processResponse(retry, fresh, model, tools, stream, token, 0, state);
} catch (retryErr) {
telemetry.trackError('chatParticipantRetry', retryErr);
const m = retryErr instanceof Error ? retryErr.message : String(retryErr);
stream.markdown(`⚠️ Error: ${m}\n\nTry starting a **new chat**.`);
}
Expand All @@ -202,6 +204,8 @@ export class BinlogChatParticipant {
} else {
throw err;
}
} finally {
telemetry.trackChatComplete(request.command, state.hadOutput, state.toolCallCount);
}
}

Expand Down Expand Up @@ -302,26 +306,30 @@ export class BinlogChatParticipant {
stream: vscode.ChatResponseStream,
token: vscode.CancellationToken,
depth: number = 0,
): Promise<void> {
state: { hadOutput: boolean; toolCallCount: number } = { hadOutput: false, toolCallCount: 0 },
): Promise<{ hadOutput: boolean; toolCallCount: number }> {
if (depth > 10) {
stream.markdown('\n\n⚠️ Too many tool calls — stopping here.\n');
return;
state.hadOutput = true;
return state;
}

const toolCalls: vscode.LanguageModelToolCallPart[] = [];

for await (const part of chatRequest.stream) {
if (part instanceof vscode.LanguageModelTextPart) {
stream.markdown(part.value);
if (part.value.trim()) state.hadOutput = true;
} else if (part instanceof vscode.LanguageModelToolCallPart) {
toolCalls.push(part);
}
}

if (toolCalls.length === 0) return;
if (toolCalls.length === 0) return state;

for (const call of toolCalls) {
stream.progress(`Calling ${call.name}…`);
state.toolCallCount++;
}

const toolResultTexts: string[] = [];
Expand All @@ -339,6 +347,7 @@ export class BinlogChatParticipant {
toolResultTexts.push(`<tool_result name="${call.name}">\n${text || '(empty)'}\n</tool_result>`);
} catch (err) {
const m = err instanceof Error ? err.message : String(err);
telemetry.trackToolError(call.name, err);
toolResultTexts.push(`<tool_result name="${call.name}" error="true">${m}</tool_result>`);
}
}
Expand All @@ -360,9 +369,10 @@ export class BinlogChatParticipant {
},
token,
);
await this.processResponse(nextRequest, messages, model, tools, stream, token, depth + 1);
await this.processResponse(nextRequest, messages, model, tools, stream, token, depth + 1, state);
} catch (err) {
const msg = err instanceof Error ? err.message : String(err);
telemetry.trackError('processResponse', err);
if (
msg.includes('invalid_request_body') ||
msg.includes('tool_calls') ||
Expand All @@ -374,12 +384,14 @@ export class BinlogChatParticipant {
for await (const part of retry.stream) {
if (part instanceof vscode.LanguageModelTextPart) {
stream.markdown(part.value);
if (part.value.trim()) state.hadOutput = true;
}
}
} else {
throw err;
}
}
return state;
}

dispose() {
Expand Down
17 changes: 17 additions & 0 deletions src/telemetry.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -130,3 +130,20 @@ export function trackError(context: string, error: unknown): void {
message: msg.substring(0, 200),
});
}

/** Track tool invocation error */
export function trackToolError(toolName: string, error: unknown): void {
const msg = error instanceof Error ? error.message : String(error);
reporter?.sendTelemetryErrorEvent('toolInvocationError', {
tool: toolName,
message: msg.substring(0, 200),
});
}

/** Track chat completion with output status */
export function trackChatComplete(command: string | undefined, hadOutput: boolean, toolCallCount: number): void {
reporter?.sendTelemetryEvent('chatComplete', {
command: command || '(none)',
hadOutput: String(hadOutput),
}, { toolCallCount });
}
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