fix(workspaces): seed new defaults from live quote

app/domain/portfolio_math.py

@@ -159,13 +159,11 @@ def strategy_benefit_per_unit(strategy: Mapping[str, Any], *, current_spot: floa
     return round(float(benefit), 2)
 
 
-def resolve_portfolio_spot_from_quote(
-    config: PortfolioConfig,
+def resolve_collateral_spot_from_quote(
     quote: Mapping[str, object],
     *,
     fallback_symbol: str | None = None,
-) -> tuple[float, str, str]:
-    configured_price = float(config.entry_price or 0.0)
+) -> tuple[float, str, str] | None:
     quote_price = _safe_quote_price(quote.get("price"))
     quote_source = str(quote.get("source", "unknown"))
     quote_updated_at = str(quote.get("updated_at", ""))
@@ -173,12 +171,12 @@ def resolve_portfolio_spot_from_quote(
     quote_unit = str(quote.get("quote_unit", "")).strip().lower()
 
     if quote_price <= 0 or not quote_symbol or quote_unit != "share":
-        return configured_price, "configured_entry_price", ""
+        return None
 
     try:
         metadata = instrument_metadata(quote_symbol)
     except ValueError:
-        return configured_price, "configured_entry_price", ""
+        return None
 
     converted_spot = metadata.price_per_weight_from_asset_price(
         PricePerAsset(amount=decimal_from_float(quote_price), currency=BaseCurrency.USD, symbol=quote_symbol),
@@ -187,6 +185,19 @@ def resolve_portfolio_spot_from_quote(
     return _decimal_to_float(converted_spot.amount), quote_source, quote_updated_at
 
 
+def resolve_portfolio_spot_from_quote(
+    config: PortfolioConfig,
+    quote: Mapping[str, object],
+    *,
+    fallback_symbol: str | None = None,
+) -> tuple[float, str, str]:
+    resolved = resolve_collateral_spot_from_quote(quote, fallback_symbol=fallback_symbol)
+    if resolved is not None:
+        return resolved
+    configured_price = float(config.entry_price or 0.0)
+    return configured_price, "configured_entry_price", ""
+
+
 def portfolio_snapshot_from_config(
     config: PortfolioConfig | None = None,
     *,