Update app.py

app.py

@@ -1,12 +1,22 @@
 import os
 import subprocess
 from fastapi import FastAPI, HTTPException
+from fastapi.middleware.cors import CORSMiddleware  # CORS fix karne ke liye add kiya
 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_credentials=True,
+    allow_methods=["*"],  # POST, GET sab allow karega
+    allow_headers=["*"],
+)
+
 GEMINI_API_KEY = os.getenv("GEMINI_API_KEY")
 client = genai.Client(api_key=GEMINI_API_KEY)
 
@@ -15,6 +25,7 @@ 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(
@@ -22,7 +33,7 @@ def execute_in_sandbox(command: str):
             shell=True, 
             capture_output=True, 
             text=True, 
-            timeout=900  # Timeout badhakar 15 mins kiya kyunki heavy downloads hain
+            timeout=600
         )
         return {
             "stdout": result.stdout, 
@@ -32,17 +43,17 @@ def execute_in_sandbox(command: str):
     except Exception as e:
         return {"error": str(e)}
 
-@app.post("/chat/")
+@app.post("/chat")
 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 inside a limited Linux sandbox. "
-        "You CANNOT use 'sudo'. Always use `/tmp` for all operations. "
-        "IMPORTANT: Packages like `xz-utils` and `unzip` are already installed. "
-        "To build Flutter apps, download the stable tar.xz into `/tmp`, extract it using `tar -xf`, and export its bin to PATH. "
-        "Since disk space is limited, always clean up heavy installation folders from `/tmp` AFTER successfully uploading the compiled APK to gofile.io. "
-        "Return the exact script inside a triple backtick block starting with 'bash'."
+        "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. "
+        "If you want to execute any bash setup, return the exact script inside a triple backtick block starting with 'bash'."
     )
     
     try:
@@ -65,4 +76,3 @@ async def agent_chat(request: ChatRequest):
 
     except Exception as e:
         raise HTTPException(status_code=500, detail=str(e))
-