fix: Economy is calculated server-side and not browser-side anymore

server/econTick.js

@@ -0,0 +1,48 @@
+import { getConfig } from "./configLoader.js";
+import {
+  ensureSeedEpoch,
+  getGridCells,
+  addEconScore,
+  setElementBonus,
+} from "./db/gameDb.js";
+import { computeTeamIncome, computeTeamElementBonus } from "./helpers/economy.js";
+
+const TICK_SECONDS = 5;
+
+/**
+ * Starts the server-side economy tick loop.
+ * Runs every TICK_SECONDS, reads the current grid from the DB, computes
+ * income and element bonus for each team, and persists the results.
+ * This runs independently of any connected browser.
+ */
+export function startEconTick() {
+  setInterval(async () => {
+    try {
+      const worldSeed = await ensureSeedEpoch();
+      const rows = await getGridCells(worldSeed);
+      const cfg = getConfig();
+
+      const resourceWorth = cfg.resourceWorth ?? { common: {}, rare: {} };
+      const elementWorth  = cfg.elementWorth  ?? {};
+
+      // ── Economic score deltas ─────────────────────────────────────────────
+      const blueIncome = computeTeamIncome("blue", rows, resourceWorth);
+      const redIncome  = computeTeamIncome("red",  rows, resourceWorth);
+
+      const blueDelta = blueIncome * TICK_SECONDS;
+      const redDelta  = redIncome  * TICK_SECONDS;
+
+      if (blueDelta > 0) await addEconScore(worldSeed, "blue", blueDelta);
+      if (redDelta  > 0) await addEconScore(worldSeed, "red",  redDelta);
+
+      // ── Element bonus (overwrites; reflects current grid state) ──────────
+      const blueBonus = computeTeamElementBonus("blue", rows, elementWorth);
+      const redBonus  = computeTeamElementBonus("red",  rows, elementWorth);
+
+      await setElementBonus(worldSeed, "blue", blueBonus);
+      await setElementBonus(worldSeed, "red",  redBonus);
+    } catch (e) {
+      console.error("[econ tick]", e.message);
+    }
+  }, TICK_SECONDS * 1_000);
+}