fix: anthropic chat prompts

lua/codecompanion/actions.lua

@@ -457,6 +457,7 @@ M.static.actions = {
       },
       {
         role = "user",
+        contains_code = true,
         content = function(context)
           local diagnostics =
             require("codecompanion.helpers.lsp").get_diagnostics(context.start_line, context.end_line, context.bufnr)
@@ -480,13 +481,7 @@ M.static.actions = {
             .. context.filetype
             .. ". This is a list of the diagnostic messages:\n\n"
             .. concatenated_diagnostics
-        end,
-      },
-      {
-        role = "user",
-        contains_code = true,
-        content = function(context)
-          return "This is the code, for context:\n\n"
+            .. "\n\nThis is the code, for context:\n\n"
             .. "```"
             .. context.filetype
             .. "\n"

lua/codecompanion/adapters/anthropic.lua

@@ -38,7 +38,9 @@ return {
     ---@return table
     form_parameters = function(params, messages)
       local system_prompt_index = get_system_prompt(messages)
-      params.system = messages[system_prompt_index].content
+      if system_prompt_index then
+        params.system = messages[system_prompt_index].content
+      end
 
       return params
     end,
@@ -48,7 +50,9 @@ return {
     ---@return table
     form_messages = function(messages)
       local system_prompt_index = get_system_prompt(messages)
-      table.remove(messages, system_prompt_index)
+      if system_prompt_index then
+        table.remove(messages, system_prompt_index)
+      end
 
       return { messages = messages }
     end,

lua/codecompanion/strategies/inline.lua

@@ -221,6 +221,12 @@ function Inline:execute(user_input)
   fire_autocmd("started")
 
   local output = {}
+
+  if not adapter then
+    vim.notify("No adapter found for inline requests", vim.log.levels.ERROR)
+    return
+  end
+
   client.new():stream(adapter:set_params(), messages, self.context.bufnr, function(err, data, done)
     if err then
       fire_autocmd("finished")