feat: topic as yaml frontmatter header

(otherwise obsidian would drop it on safe)

Author: Robitx

lua/gp/defaults.lua

@@ -15,7 +15,7 @@ M.code_system_prompt = "You are an AI working as a code editor.\n\n"
 
 M.chat_template = [[
 ---
-# topic: ?
+topic: ?
 {{optional_headers}}
 # Write your queries after {{user_prefix}}. Use `{{respond_shortcut}}` or :{{cmd_prefix}}ChatRespond to generate a response.
 # Response generation can be terminated by using `{{stop_shortcut}}` or :{{cmd_prefix}}ChatStop command.
@@ -28,7 +28,7 @@ M.chat_template = [[
 
 M.short_chat_template = [[
 ---
-# topic: ?
+topic: ?
 ---
 
 {{user_prefix}}

lua/gp/init.lua

@@ -1021,7 +1021,7 @@ M.chat_respond = function(params)
 
 						local i = indices.topic
 						M.helpers.undojoin(buf)
-						vim.api.nvim_buf_set_lines(buf, i, i + 1, false, { "# topic: " .. topic })
+						vim.api.nvim_buf_set_lines(buf, i, i + 1, false, { "topic: " .. topic })
 					end)
 				)
 			end