Update app.py

app.py

@@ -1,18 +1,23 @@
-# app.py
-
 from fastapi import FastAPI
-from world_step import world_update
+from world_engine import world_step
+from proof_engine import prove
+from federation import federate
 
 app = FastAPI(
     title="Codex Realistic World Engine",
     description="Real-world digital bit analytics + economic simulation",
-    version="ΩΞ-World-1.0"
+    version="ΩΞ-RWE-1.0"
 )
 
 @app.get("/")
 def status():
-    return {"status": "world engine online"}
+    return {"status": "online", "engine": "Realistic World Engine"}
 
 @app.get("/world/snapshot")
 def snapshot():
-    return world_update()
+    state = world_step()
+    proof = prove(state)
+    return federate({
+        "state": state,
+        "proof": proof
+    })