fix: tool_use regex negative lookahead to prevent cross-tag matching; tgapp relative path resolve

frontends/tgapp.py

@@ -1,5 +1,6 @@
 import os, sys, re, threading, asyncio, queue as Q, socket, time
 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+_TEMP_DIR = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), 'temp')
 from agentmain import GeneraticAgent
 try:
     from telegram import Update
@@ -65,6 +66,7 @@ async def _stream(dq, msg):
         if done:
             files = re.findall(r'\[FILE:([^\]]+)\]', show[-1000:])
             for fpath in files:
+                if not os.path.isabs(fpath): fpath = os.path.join(_TEMP_DIR, fpath)
                 if os.path.exists(fpath):
                     if fpath.lower().endswith(('.png','.jpg','.jpeg','.gif','.webp')):
                         try: await msg.reply_photo(open(fpath,'rb'))

llmcore.py

@@ -717,7 +717,7 @@ class ToolClient:
             remaining_text = re.sub(think_pattern, "", remaining_text, flags=re.DOTALL)
         
         tool_calls = []; json_strs = []; errors = []
-        tool_pattern = r"<tool_use>(.{15,}?)</tool_use>"
+        tool_pattern = r"<tool_use>((?:(?!<tool_use>).){15,}?)</tool_use>"
         tool_all = re.findall(tool_pattern, remaining_text, re.DOTALL)
         
         if tool_all: