Initial sanitized code sync

internal/handler/dashboard.go

@@ -0,0 +1,18 @@
+package handler
+
+import (
+	"net/http"
+
+	"gpt-plus/internal/db"
+
+	"github.com/gin-gonic/gin"
+)
+
+func GetDashboard(c *gin.Context) {
+	stats, err := db.GetDashboardStats(db.GetDB())
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+	c.JSON(http.StatusOK, stats)
+}