Potential fix for code scanning alert no. 134: Log entries created from user input

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

Author: ericcurtin

pkg/ollama/handler.go

@@ -357,7 +357,8 @@ func (h *Handler) handleChat(w http.ResponseWriter, r *http.Request) {
 	sanitizedModelName := strings.ReplaceAll(strings.ReplaceAll(modelName, "\n", ""), "\r", "")
 	h.log.Infof("handleChat: model=%s, keep_alive=%v", sanitizedModelName, req.KeepAlive)
 	if req.KeepAlive == "0" || req.KeepAlive == "0s" || req.KeepAlive == "0m" {
-		h.log.Infof("handleChat: unloading model %s due to keep_alive=%s", sanitizedModelName, req.KeepAlive)
+		sanitizedKeepAlive := strings.ReplaceAll(strings.ReplaceAll(req.KeepAlive, "\n", ""), "\r", "")
+		h.log.Infof("handleChat: unloading model %s due to keep_alive=%s", sanitizedModelName, sanitizedKeepAlive)
 		h.unloadModel(ctx, w, modelName)
 		return
 	}