feat: saxo history

backend/routers/saxo.py

@@ -6,7 +6,8 @@ from pydantic import BaseModel
 from services import saxo_auth
 from services.saxo_scheduler import get_watchlist, set_watchlist, get_snapshot_minutes, set_snapshot_minutes, run_snapshot_pass
 from services.database import (
-    get_saxo_snapshots, get_saxo_snapshot_symbols, dedupe_saxo_snapshots,
+    get_saxo_snapshot_symbols, dedupe_saxo_snapshots,
+    get_snapshot_rows_asof, delete_saxo_snapshots,
     get_saxo_catalog, get_saxo_catalog_summary, upsert_saxo_catalog_rows,
 )
 
@@ -171,10 +172,18 @@ def quote(symbol: str, asset_type: str = Query("FxSpot")):
 @router.get("/history")
 def history(
     symbol: Optional[str] = Query(None),
-    date_from: Optional[str] = Query(None),
-    date_to: Optional[str] = Query(None),
+    as_of: Optional[str] = Query(None, description="ISO datetime — replay the chain as it stood at/before this moment. Omit for the latest capture."),
 ):
-    return get_saxo_snapshots(symbol, date_from, date_to)
+    """One row per (symbol, expiry, strike, type) — the latest capture, or the latest at/
+    before `as_of` to replay a past moment. The full 5-min history is retained underneath
+    for future backtest use; this endpoint only ever surfaces one row per contract."""
+    return get_snapshot_rows_asof(symbol, as_of)
+
+
+@router.delete("/history/{symbol}")
+def delete_history(symbol: str):
+    """Wipes the full accumulated snapshot history for one symbol."""
+    return {"symbol": symbol.upper(), "rows_deleted": delete_saxo_snapshots(symbol.upper())}
 
 
 class CatalogRefreshRequest(BaseModel):