feat: add option to disable contexts in prompts

lua/CopilotChat/config.lua

@@ -25,6 +25,7 @@ local select = require('CopilotChat.select')
 ---@field stream nil|fun(chunk: string, source: CopilotChat.source):string
 ---@field callback nil|fun(response: string, source: CopilotChat.source):string
 ---@field remember_as_sticky boolean?
+---@field include_contexts_in_prompt boolean?
 ---@field selection false|nil|fun(source: CopilotChat.source):CopilotChat.select.selection?
 ---@field window CopilotChat.config.window?
 ---@field show_help boolean?
@@ -71,6 +72,8 @@ return {
   callback = nil, -- Function called when full response is received (retuned string is stored to history)
   remember_as_sticky = true, -- Remember model/agent/context as sticky prompts when asking questions
 
+  include_contexts_in_prompt = true, -- Include contexts in prompt
+
   -- default selection
   selection = function(source)
     return select.visual(source) or select.buffer(source)

lua/CopilotChat/init.lua

@@ -850,9 +850,11 @@ function M.ask(prompt, config)
 
   -- Resolve context name and description
   local contexts = {}
-  for name, context in pairs(M.config.contexts) do
-    if context.description then
-      contexts[name] = context.description
+  if config.include_contexts_in_prompt then
+    for name, context in pairs(M.config.contexts) do
+      if context.description then
+        contexts[name] = context.description
+      end
     end
   end