feat: Cards writings and balancing (M8)

web/js/engine/cards.js

@@ -5,7 +5,8 @@
 //         title, body, yes: Option, no: Option }
 // Option: { label, effects: [...see modifiers.js], setFlags?, clearFlags?, followUp?: { id, inDays } }
 // Condition stats: any indicator, growth/unemployment/inflation, "debt" (% of GDP),
-// "deficit" (% of GDP) and "q:<sector>" (sector quality).
+// "deficit" (% of GDP), "q:<sector>" (sector quality), "ratio:<sector>" (budget / need)
+// and "tax:<income|corporate|vat>" (rate).
 
 import { IND_IDS, VAR_IDS, clamp } from "./state.js";
 import { computeFiscal } from "./economy.js";
@@ -20,6 +21,8 @@ function statValue(state, key, fiscal) {
   if (key === "debt") return fiscal.debtRatio;
   if (key === "deficit") return fiscal.deficit;
   if (key.startsWith("q:")) return state.sectors[key.slice(2)]?.quality ?? NaN;
+  if (key.startsWith("ratio:")) { const s = state.sectors[key.slice(6)]; return s ? s.alloc / s.need : NaN; }
+  if (key.startsWith("tax:")) return state.economy.taxes[key.slice(4)] ?? NaN;
   return NaN; // unknown key: never eligible (content tests catch typos)
 }