allow setting response format via the opts stored on chat client

Author: leafo

Makefile

@@ -11,3 +11,6 @@ local: build
 
 lint:
 	moonc -l openai
+
+tags::
+	moon-tags $$(git ls-files openai/ | grep -i '\.moon$$') > $@

openai/init.lua

@@ -1,4 +1,4 @@
-local VERSION = "1.4.0"
+local VERSION = "1.4.1"
 local ltn12 = require("ltn12")
 local cjson = require("cjson")
 local unpack = table.unpack or unpack
@@ -142,7 +142,8 @@ do
         functions = self.functions,
         model = self.opts.model,
         temperature = self.opts.temperature,
-        stream = stream_callback and true or nil
+        stream = stream_callback and true or nil,
+        response_format = self.opts.response_format
       }, stream_callback)
       if status ~= 200 then
         local err_msg = "Bad status: " .. tostring(status)

openai/init.moon

@@ -1,4 +1,4 @@
-VERSION = "1.4.0"
+VERSION = "1.4.1"
 
 ltn12 = require "ltn12"
 cjson = require "cjson"
@@ -171,6 +171,7 @@ class ChatSession
       model: @opts.model
       temperature: @opts.temperature
       stream: stream_callback and true or nil
+      response_format: @opts.response_format
     }, stream_callback
 
     if status != 200