feat: saxo price

backend/services/database.py

@@ -3375,6 +3375,19 @@ def reorder_instruments_watchlist(tickers: List[str]) -> None:
     conn.close()
 
 
+def rename_instrument_watchlist(ticker: str, name: str) -> bool:
+    """Set a free-form display name — the ticker (primary key) no longer has to be a
+    yfinance-recognized code now that an instrument can be entirely Saxo-sourced
+    (saxo_option_symbol + saxo_quote_symbol), so the auto-derived yfinance long_name is
+    just a starting point, not the only option."""
+    conn = get_conn()
+    conn.execute("UPDATE instruments_watchlist SET name=? WHERE ticker=?", (name.strip(), ticker.upper()))
+    changed = conn.total_changes > 0
+    conn.commit()
+    conn.close()
+    return changed
+
+
 # ── Wavelets — saved simulation/optimization runs ─────────────────────────────
 
 def save_wavelet_simulation(name: str, form: Dict, results: Optional[List[Dict]] = None,