Update app.py

app.py

@@ -1,7 +1,8 @@
 # -*- coding: utf-8 -*-
 """
 HedgeFund Multi-Agent System for Hugging Face Spaces
-Beginner-friendly, with live market data, realistic fees & taxes.
+Live market data, realistic fees/taxes, beginner-friendly inputs,
+JSON-safe costs, and Markdown report showing calculations.
 """
 
 import os, json, textwrap, datetime as dt
@@ -120,7 +121,6 @@ tax_agent = Agent(
 # -----------------------------
 def make_tasks(inputs: Dict[str, Any]) -> List[Task]:
     assets = inputs['assets']
-    start_money = inputs['start_money']
     prices = get_market_prices(assets)
 
     t1 = Task(
@@ -202,6 +202,8 @@ def make_tasks(inputs: Dict[str, Any]) -> List[Task]:
         description=textwrap.dedent(f"""
         Synthesize final portfolio and Markdown report.
         Inputs: all previous JSONs
+        Ensure all numeric values are pre-computed (JSON-safe)
+        Show human-readable calculations in Markdown
         Return STRICT JSON with keys:
         {{
             "final_portfolio": [...],
@@ -298,4 +300,4 @@ with gr.Blocks(title="HedgeFund Multi-Agent System") as demo_ui:
         outputs=[md_out, md_file, json_file]
     )
 
-demo_ui.launch(share=False)
+demo_ui.launch(share=False