feat: add environment variable support and expand grammar allowed character set

app.py

@@ -2,6 +2,8 @@ import asyncio
 import json
 import os
 from pathlib import Path
+from dotenv import load_dotenv
+load_dotenv()
 
 import gradio as gr
 from fastapi import FastAPI, WebSocket, WebSocketDisconnect

grammar.gbnf

@@ -1,4 +1,4 @@
 root  ::= "{" ws "\"task\"" ws ":" ws string ws "}"
 value ::= string
-string ::= "\"" [a-zA-Z0-9 \-,.!?']+ "\""
+string ::= "\"" [a-zA-Z0-9 ,.!?'-]+ "\""
 ws ::= [ \t\n]*

requirements.txt

@@ -2,3 +2,4 @@ fastapi==0.115.6
 gradio==5.9.1
 uvicorn[standard]==0.32.1
 websockets==14.1
+requests