Fix code scanning alert no. 3: Incorrect conversion between integer types

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>
Signed-off-by: pk910 <github@pk910.de>

Author: pk910

pkg/coordinator/web/handlers/logs.go

@@ -42,7 +42,7 @@ func (fh *FrontendHandler) LogsData(w http.ResponseWriter, r *http.Request) {
 	}
 
 	// Check bounds before converting to int
-	if sinceTime < math.MinInt || sinceTime > math.MaxInt {
+	if sinceTime < math.MinInt32 || sinceTime > math.MaxInt32 {
 		fmt.Printf("timestamp out of int bounds: %v", sinceTime)
 		sinceTime = 0
 	}