Add hub-only OKX amp stats for ETH/BTC session windows.

Read-only 1H index candles, point amplitude metrics, history save and CSV export; no order-path changes.

Co-authored-by: Cursor <cursoragent@cursor.com>

manual_trading_hub/hub.py

@@ -998,6 +998,7 @@ def root_redirect():
 @app.get("/funds")
 @app.get("/ai")
 @app.get("/strategy")
+@app.get("/amp-stats")
 @app.get("/help")
 @app.get("/logs")
 @app.get("/settings")
@@ -1012,8 +1013,10 @@ def _all_exchanges_for_ai() -> list:
 
 from hub_ai.routes import create_hub_ai_router
 from hub_dashboard import build_dashboard_payload, default_trading_day
+from amp_stats_routes import create_amp_stats_router
 
 app.include_router(create_hub_ai_router(load_all_exchanges=_all_exchanges_for_ai))
+app.include_router(create_amp_stats_router())
 
 
 async def _run_dashboard_aggregate() -> dict:
@@ -1111,6 +1114,7 @@ class SettingsDisplayBody(BaseModel):
     show_nav_ai: bool = True
     show_nav_calculator: bool = True
     show_nav_strategy: bool = True
+    show_nav_amp_stats: bool = True
     show_nav_help: bool = True
     show_nav_logs: bool = True