feat: sexo history

backend/routers/saxo.py

@@ -37,10 +37,14 @@ def update_watchlist(req: WatchlistRequest):
 
 
 def _validate_symbol(symbol: str) -> dict:
-    from services.saxo_client import resolve_option_root_uic, SaxoNotConnected
+    from services.saxo_client import resolve_instrument, SaxoNotConnected
     try:
-        uic = resolve_option_root_uic(symbol)
-        return {"symbol": symbol.upper(), "valid": True, "uic": uic, "error": None}
+        info = resolve_instrument(symbol)
+        return {
+            "symbol": symbol.upper(), "valid": True, "error": None,
+            "uic": info["uic"], "matched_symbol": info["symbol"],
+            "description": info["description"], "asset_type": info["asset_type"],
+        }
     except SaxoNotConnected as e:
         return {"symbol": symbol.upper(), "valid": False, "uic": None, "error": str(e)}
     except Exception as e:

backend/services/saxo_client.py

@@ -26,8 +26,8 @@ logger = logging.getLogger(__name__)
 
 _OPTION_ASSET_TYPES = "StockOption,StockIndexOption,FuturesOption,ContractFutures"
 
-# symbol -> option root Uic, cheap in-process cache (roots don't change within a session)
-_root_uic_cache: Dict[str, int] = {}
+# symbol -> resolved instrument details, cheap in-process cache (roots don't change within a session)
+_root_uic_cache: Dict[str, Dict[str, Any]] = {}
 
 
 class SaxoNotConnected(Exception):
@@ -91,7 +91,9 @@ def _first(d: Dict[str, Any], *keys: str) -> Any:
     return None
 
 
-def resolve_option_root_uic(symbol: str) -> int:
+def resolve_instrument(symbol: str) -> Dict[str, Any]:
+    """Full matched instrument (Uic + Symbol/Description/AssetType) — surfaced by /validate so
+    a wrong-ticker guess is visibly distinguishable from an account-entitlement error."""
     if symbol in _root_uic_cache:
         return _root_uic_cache[symbol]
 
@@ -100,12 +102,23 @@ def resolve_option_root_uic(symbol: str) -> int:
     if not items:
         raise ValueError(f"Aucun option root Saxo trouvé pour '{symbol}' (réponse: {list(data.keys())})")
 
-    uic = _first(items[0], "Uic", "uic", "Identifier")
+    item = items[0]
+    uic = _first(item, "Uic", "uic", "Identifier")
     if uic is None:
-        raise ValueError(f"Champ Uic introuvable dans la réponse instruments pour '{symbol}': {items[0]}")
+        raise ValueError(f"Champ Uic introuvable dans la réponse instruments pour '{symbol}': {item}")
 
-    _root_uic_cache[symbol] = int(uic)
-    return int(uic)
+    result = {
+        "uic": int(uic),
+        "symbol": _first(item, "Symbol", "symbol"),
+        "description": _first(item, "Description", "description"),
+        "asset_type": _first(item, "AssetType", "assetType"),
+    }
+    _root_uic_cache[symbol] = result
+    return result
+
+
+def resolve_option_root_uic(symbol: str) -> int:
+    return resolve_instrument(symbol)["uic"]
 
 
 def get_option_space(root_uic: int) -> Dict[str, Any]: