feat(default): add model performance badges

Add a batched performance summary API for model square cards and show compact latency, throughput, and status metrics without increasing card size. Also fix OTP verification form submission.

model/perf_metric.go

@@ -59,6 +59,26 @@ func GetPerfMetrics(modelName string, group string, startTs int64, endTs int64)
 	return metrics, err
 }
 
+type PerfMetricSummary struct {
+	ModelName      string `json:"model_name"`
+	RequestCount   int64  `json:"request_count"`
+	SuccessCount   int64  `json:"success_count"`
+	TotalLatencyMs int64  `json:"total_latency_ms"`
+	OutputTokens   int64  `json:"output_tokens"`
+	GenerationMs   int64  `json:"generation_ms"`
+}
+
+func GetPerfMetricsSummaryAll(startTs int64, endTs int64) ([]PerfMetricSummary, error) {
+	var summaries []PerfMetricSummary
+	err := DB.Model(&PerfMetric{}).
+		Select("model_name, SUM(request_count) as request_count, SUM(success_count) as success_count, SUM(total_latency_ms) as total_latency_ms, SUM(output_tokens) as output_tokens, SUM(generation_ms) as generation_ms").
+		Where("bucket_ts >= ? AND bucket_ts <= ?", startTs, endTs).
+		Group("model_name").
+		Having("SUM(request_count) > 0").
+		Find(&summaries).Error
+	return summaries, err
+}
+
 func DeletePerfMetricsBefore(cutoffTs int64) error {
 	if cutoffTs <= 0 {
 		return nil