Function assessCompletionOutcome

src/logger.ts:352–393

(summary: RequestSummary, payload: RequestPayload, stopReason?: string)

];

function assessCompletionOutcome(summary: RequestSummary, payload: RequestPayload, stopReason?: string): CompletionAssessment {
    const finalText = [payload.finalResponse, payload.rawResponse]
        .find((text): text is string => typeof text === 'string' && text.trim().length > 0)
        ?.trim() || '';

    const issueTags: string[] = [];
    const reasonParts: string[] = [];

    const missingToolExecution = summary.hasTools
        && summary.toolCallsDetected === 0
        && finalText.length > 0
        && TOOL_UNAVAILABLE_PATTERNS.some(pattern => pattern.test(finalText));

    if (missingToolExecution) {
        issueTags.push('tool_unavailable');
        reasonParts.push('模型声称工具不可用，未执行实际工具调用');
    }

    const truncatedWithoutRecovery = stopReason === 'max_tokens' && summary.continuationCount === 0;
    if (truncatedWithoutRecovery) {
        issueTags.push('truncated_output');
        reasonParts.push('响应触发 max_tokens 且未自动续写');
    }

    const selfRepairAfterCutoff = summary.hasTools
        && finalText.length > 0
        && SELF_REPAIR_AFTER_CUTOFF_PATTERNS.some(pattern => pattern.test(finalText));
    if (selfRepairAfterCutoff) {
        issueTags.push('self_repair_after_cutoff');
        reasonParts.push('模型自述上一步输出或写入被截断，当前请求在补救补写');
    }

    if (issueTags.length > 0) {
        return {
            status: 'degraded',
            statusReason: reasonParts.join('；'),
            issueTags,
        };
    }

    return { status: 'success' };
}

function buildCompactOriginalRequest(summary: RequestSummary, payload: RequestPayload): Record<string, unknown> | undefined {
    const original = payload.originalRequest && typeof payload.originalRequest === 'object' && !Array.isArray(payload.originalRequest)