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.

controller/perf_metrics.go

@@ -9,6 +9,29 @@ import (
 	"github.com/gin-gonic/gin"
 )
 
+func GetPerfMetricsSummary(c *gin.Context) {
+	hours := 24
+	if rawHours := c.Query("hours"); rawHours != "" {
+		if parsed, err := strconv.Atoi(rawHours); err == nil {
+			hours = parsed
+		}
+	}
+
+	result, err := perfmetrics.QuerySummaryAll(hours)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{
+			"success": false,
+			"message": err.Error(),
+		})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{
+		"success": true,
+		"data":    result,
+	})
+}
+
 func GetPerfMetrics(c *gin.Context) {
 	modelName := c.Query("model")
 	if modelName == "" {