refacto: Changing click cooldown to daily actions for users and teams

server/db/gameDb.js

@@ -106,6 +106,13 @@ export async function initGameSchema() {
     END $$;
     ALTER TABLE grid_cells ALTER COLUMN discovered_by SET NOT NULL;
   `);
+  await pool.query(`
+    CREATE TABLE IF NOT EXISTS team_action_quota (
+      team TEXT PRIMARY KEY CHECK (team IN ('blue', 'red')),
+      actions_remaining INTEGER NOT NULL DEFAULT 0,
+      quota_reset_at TIMESTAMPTZ NOT NULL DEFAULT '1970-01-01 00:00:00+00'
+    );
+  `);
 }
 
 // ── World-seed epoch ──────────────────────────────────────────────────────────
@@ -355,3 +362,39 @@ export async function setTileOwner(worldSeed, x, y, team) {
     [team, worldSeed, x, y]
   );
 }
+
+// ── Team action quota (daily, independent of world seed) ─────────────────────
+
+export async function getTeamActionsRow(team) {
+  const { rows } = await pool.query(
+    `SELECT actions_remaining, quota_reset_at FROM team_action_quota WHERE team = $1`,
+    [team]
+  );
+  return rows[0] ?? null;
+}
+
+export async function resetTeamActions(team, actionsRemaining, quotaResetAt) {
+  await pool.query(
+    `INSERT INTO team_action_quota (team, actions_remaining, quota_reset_at)
+     VALUES ($1, $2, $3)
+     ON CONFLICT (team) DO UPDATE
+       SET actions_remaining = $2,
+           quota_reset_at    = $3`,
+    [team, actionsRemaining, quotaResetAt]
+  );
+}
+
+/**
+ * Atomically decrements team actions_remaining by 1 if > 0.
+ * Returns the updated row, or null if already 0.
+ */
+export async function decrementTeamActions(team) {
+  const { rows } = await pool.query(
+    `UPDATE team_action_quota
+     SET actions_remaining = actions_remaining - 1
+     WHERE team = $1 AND actions_remaining > 0
+     RETURNING actions_remaining`,
+    [team]
+  );
+  return rows[0] ?? null;
+}