feat: dont include chatgpt_config.yaml in file list

lua/chatgpt_nvim/init.lua

@@ -122,15 +122,17 @@ local function build_prompt(user_input, dirs, conf)
   -- 4.1) Dynamic file inclusion via @ operator in user_input
   local dynamic_files = {}
   for file in user_input:gmatch("@([^%s]+)") do
-    local already_included = false
-    for _, existing in ipairs(initial_files) do
-      if existing == file then
-        already_included = true
-        break
+    if file ~= "chatgpt_config.yaml" and file ~= ".chatgpt_config.yaml" then
+      local already_included = false
+      for _, existing in ipairs(initial_files) do
+        if existing == file then
+          already_included = true
+          break
+        end
+      end
+      if not already_included then
+        table.insert(dynamic_files, file)
       end
-    end
-    if not already_included then
-      table.insert(dynamic_files, file)
     end
   end
 
@@ -173,7 +175,7 @@ local function build_prompt(user_input, dirs, conf)
   table.insert(final_sections, table.concat(env_lines, "\n"))
 
   local final_prompt = table.concat(final_sections, "\n\n")
-  final_prompt = final_prompt:gsub("%%PROJECT_NAME%%", conf.project_name)
+  final_prompt = final_prompt:gsub("%chatgpt.vim%", conf.project_name)
   return final_prompt
 end