fix: resolve history bug with custom hooks

lua/parrot/chat_handler.lua

@@ -274,18 +274,10 @@ function ChatHandler:prepare_commands()
         self.options.command_prompt_prefix_template,
         { ["{{llm}}"] = self:get_model("command").name }
       )
-      self:prompt(params, target, model_obj, cmd_prefix, utils.trim(template))
+      self:prompt(params, target, model_obj, cmd_prefix, utils.trim(template), true)
     end
     self.commands[command] = command
     self:addCommand(command, function(params)
-      if command ~= "Retry" then
-        self.history = {
-          last_selection = nil,
-          last_command = nil,
-          last_line1 = nil,
-          last_line2 = nil,
-        }
-      end
       cmd(params)
     end)
   end
@@ -1048,15 +1040,25 @@ function ChatHandler:retry(params)
   else
     logger.error("Invalid last target" .. self.history.last_target)
   end
-  self:prompt(params, self.history.last_target, model_obj, nil, utils.trim(template))
+  self:prompt(params, self.history.last_target, model_obj, nil, utils.trim(template), false)
 end
 
-function ChatHandler:prompt(params, target, model_obj, prompt, template)
+function ChatHandler:prompt(params, target, model_obj, prompt, template, reset_history)
   -- enew, new, vnew, tabnew should be resolved into table
   if type(target) == "function" then
     target = target()
   end
 
+  logger.debug("ChatHandler:prompt - `reset_history`: " .. vim.inspect(reset_history))
+  if reset_history == nil or reset_history then
+    self.history = {
+      last_selection = nil,
+      last_command = nil,
+      last_line1 = nil,
+      last_line2 = nil,
+    }
+  end
+
   target = target or ui.Target.enew()
 
   -- get current buffer
@@ -1123,6 +1125,7 @@ function ChatHandler:prompt(params, target, model_obj, prompt, template)
 
   local callback = function(command)
     if self.history.last_command then
+      logger.debug("LAST COMMAND in use " .. self.history.last_command)
       command = self.history.last_command
     end
     -- dummy handler