feat: option lab

backend/services/database.py

@@ -183,6 +183,10 @@ def init_db():
             sort_order INTEGER DEFAULT 0,
             added_at TEXT DEFAULT (datetime('now'))
         )""",
+        # Optional link to a Saxo watchlist symbol (services.saxo_scheduler) — lets Options
+        # Lab's Saxo section show only broker data for instruments the user actually tracks
+        # here, instead of an independently-managed Saxo symbol list.
+        "ALTER TABLE instruments_watchlist ADD COLUMN saxo_symbol TEXT",
         # Wavelets — saved optimization/simulation runs (ported from InstrumentSimulator's
         # WaveletOptimizationRun: form/results are free-form JSON blobs, not modeled relationally)
         """CREATE TABLE IF NOT EXISTS wavelet_simulations (
@@ -3270,13 +3274,40 @@ def remove_market_custom_ticker(ticker: str) -> bool:
 def get_instruments_watchlist() -> List[Dict]:
     conn = get_conn()
     rows = conn.execute(
-        "SELECT ticker, name, asset_class, sort_order, added_at "
+        "SELECT ticker, name, asset_class, sort_order, added_at, saxo_symbol "
         "FROM instruments_watchlist ORDER BY sort_order ASC, added_at ASC"
     ).fetchall()
     conn.close()
     return [dict(r) for r in rows]
 
 
+def set_instrument_watchlist_saxo_symbol(ticker: str, saxo_symbol: Optional[str]) -> bool:
+    """Link (or unlink, if saxo_symbol is None/empty) a tracked instrument to a Saxo
+    watchlist symbol. Linking also adds that symbol to services.saxo_scheduler's own
+    watchlist if it isn't there yet, so it actually starts getting snapshotted. Unlinking
+    does NOT remove it from the Saxo watchlist — it may still be wanted directly, or by
+    another linked instrument; remove it from Config -> Saxo if it's truly no longer needed."""
+    from services.saxo_scheduler import get_watchlist, set_watchlist
+
+    ticker = ticker.upper()
+    saxo_symbol = (saxo_symbol or "").strip().upper() or None
+
+    conn = get_conn()
+    row = conn.execute("SELECT ticker FROM instruments_watchlist WHERE ticker = ?", (ticker,)).fetchone()
+    if row is None:
+        conn.close()
+        return False
+    conn.execute("UPDATE instruments_watchlist SET saxo_symbol = ? WHERE ticker = ?", (saxo_symbol, ticker))
+    conn.commit()
+    conn.close()
+
+    if saxo_symbol:
+        current = get_watchlist()
+        if saxo_symbol not in current:
+            set_watchlist(current + [saxo_symbol])
+    return True
+
+
 def add_instrument_watchlist(ticker: str, name: str = "", asset_class: str = "unknown") -> bool:
     conn = get_conn()
     try: