Update app.py

app.py

@@ -1,19 +1,18 @@
 import os
 import subprocess
 from fastapi import FastAPI, HTTPException
-from fastapi.middleware.cors import CORSMiddleware  # CORS fix karne ke liye add kiya
+from fastapi.middleware.cors import CORSMiddleware
 from pydantic import BaseModel
 from google import genai
 from google.genai import types
 
 app = FastAPI()
 
-# --- CORS SETTING (Isse mobile app aur browser me Failed to Fetch nahi aayega) ---
 app.add_middleware(
     CORSMiddleware,
-    allow_origins=["*"],  # Sabhi origins ko allow karega
+    allow_origins=["*"],
     allow_credentials=True,
-    allow_methods=["*"],  # POST, GET sab allow karega
+    allow_methods=["*"],
     allow_headers=["*"],
 )
 
@@ -25,7 +24,6 @@ class ChatRequest(BaseModel):
 
 def execute_in_sandbox(command: str):
     try:
-        # /tmp directory me user ko bina sudo ke full write access milti hai
         full_command = f"cd /tmp && {command}"
         
         result = subprocess.run(
@@ -33,7 +31,7 @@ def execute_in_sandbox(command: str):
             shell=True, 
             capture_output=True, 
             text=True, 
-            timeout=600
+            timeout=900  # 15 Mins global timeout
         )
         return {
             "stdout": result.stdout, 
@@ -47,12 +45,13 @@ def execute_in_sandbox(command: str):
 async def agent_chat(request: ChatRequest):
     user_prompt = request.message
     
-    # AI ko strictly bol rahe hain ki sudo use na kare, balki /tmp me local tools setup kare
     system_instruction = (
         "You are an AI Agent Builder operating inside a limited Linux sandbox. "
-        "You CANNOT use 'sudo' or root commands because the platform restricts it. "
-        "Instead, you must install everything locally inside the `/tmp` directory using pre-compiled binaries, curl, or local zip extractions. "
-        "For example, to use Flutter, download its tar.xz via curl into /tmp, extract it, and run it from there directly. "
+        "You CANNOT use 'sudo' or root commands. Always use `/tmp` for your file operations. "
+        "IMPORTANT SYSTEM INFO: OpenJDK 17, xz-utils, git, curl, and unzip are ALREADY fully installed and available in the system path. "
+        "Do NOT attempt to download or extract Java. You can directly use 'java -version'. "
+        "To build Flutter apps, you only need to curl the stable Flutter tar.xz into `/tmp`, extract it, set up the android-cmdline-tools/sdkmanager inside `/tmp`, and run the build. "
+        "Always clean up heavy deployment folders from `/tmp` AFTER successfully uploading the compiled APK to gofile.io to save disk space. "
         "If you want to execute any bash setup, return the exact script inside a triple backtick block starting with 'bash'."
     )
     
@@ -76,3 +75,4 @@ async def agent_chat(request: ChatRequest):
 
     except Exception as e:
         raise HTTPException(status_code=500, detail=str(e))
+