Add Goose as an ACP provider (#2730)

Co-authored-by: Jack Wright <jack.wright@nike.com>
Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com>

lua/avante/llm.lua

@@ -1132,6 +1132,9 @@ function M._stream_acp(opts)
     })
     acp_client = ACPClient:new(acp_config)
     acp_client:connect()
+    -- If we create a new client and it does not support sesion loading,
+    -- remove the old session
+    if not acp_client.agent_capabilities.loadSession then opts.acp_session_id = nil end
     if opts.on_save_acp_client then opts.on_save_acp_client(acp_client) end
   end
   local session_id = opts.acp_session_id