add retain state button for grammar

index.html

@@ -5846,6 +5846,7 @@
 		}
 
 		document.getElementById("setgrammar").disabled = !is_using_kcpp_with_grammar();
+		document.getElementById("grammar_retain_state").disabled = document.getElementById("setgrammar").disabled;
 
 		if(custom_kobold_endpoint!="")
 		{
@@ -7029,6 +7030,7 @@
 				if(localsettings.grammar && localsettings.grammar!="")
 				{
 					submit_payload.params.grammar = localsettings.grammar;
+					submit_payload.params.grammar_retain_state = document.getElementById("grammar_retain_state").checked;
 				}
 			}
 
@@ -10226,6 +10228,8 @@
 						<div class="settinglabel">
 							<div class="justifyleft settingsmall">Additional Configs <span class="helpicon">?<span class="helptext">Grammar Sampling (KCPP) - Allows you to constrain output to fit specific structures.</span></span></div>
 							<button id="setgrammar" type="button" class="btn btn-primary" style="padding:2px 3px;margin-top:2px;font-size:11px;" onclick="selectGrammar()">Set Grammar</button>
+							<div class="settingsmall" style="padding:2px 3px;margin-top:4px;" title="Do not reset grammar on generate. May not work with multiple users.">Retain </div>
+						   	<input type="checkbox" id="grammar_retain_state" style="padding:2px 3px;margin-top:6px;height: max-content;">
 						</div>
 					</div>
 				</div>