Refactor code to use 'any' type and improve context handling

server/handler/snapshots.go

@@ -1,7 +1,6 @@
 package handler
 
 import (
-	"context"
 	"fmt"
 	"net/http"
 	"net/url"
@@ -58,7 +57,8 @@ func (h *Handler) SnapshotMonthlyList(w http.ResponseWriter, r *http.Request) {
 // @Failure 500 {object} models.ErrorResponse "Server error"
 // @Router /api/report/snapshot [get]
 func (h *Handler) SnapshotReportDownload(w http.ResponseWriter, r *http.Request) {
-	ctx := context.Background()
+	ctx, cancel := withRequestTimeout(r, reportRequestTimeout)
+	defer cancel()
 	tableName := r.URL.Query().Get("table")
 	if tableName == "" {
 		writeJSONError(w, http.StatusBadRequest, "Missing table parameter")
@@ -80,7 +80,8 @@ func (h *Handler) SnapshotReportDownload(w http.ResponseWriter, r *http.Request)
 }
 
 func (h *Handler) renderSnapshotList(w http.ResponseWriter, r *http.Request, snapshotType string, title string, renderer func([]views.SnapshotEntry) templ.Component) {
-	ctx := context.Background()
+	ctx, cancel := withRequestTimeout(r, defaultRequestTimeout)
+	defer cancel()
 	if err := report.EnsureSnapshotRegistry(ctx, h.Database); err != nil {
 		h.Logger.Error("Failed to ensure snapshot registry", "error", err)
 		w.WriteHeader(http.StatusInternalServerError)
@@ -107,10 +108,7 @@ func (h *Handler) renderSnapshotList(w http.ResponseWriter, r *http.Request, sna
 		case "monthly":
 			group = record.SnapshotTime.Format("2006")
 		}
-		count := record.SnapshotCount
-		if count < 0 {
-			count = 0
-		}
+		count := max(record.SnapshotCount, 0)
 		entries = append(entries, views.SnapshotEntry{
 			Label: label,
 			Link:  "/reports/" + url.PathEscape(record.TableName) + ".xlsx",