stats B11: EP-Online energy labels (monthly total file → homes per label for NL, Gouda, Gouda PC4s; aggregates only), stats.ep_label_agg, monthly timer with key from ~/.config/stats/ep-online.env, charts on /stats/energy and /stats/gouda

src/lib/server/db/schema/stats.ts

@@ -354,3 +354,18 @@ export const statsUsasAgencyFy = statsSchema.table(
 	},
 	(t) => [primaryKey({ columns: [t.toptierCode, t.fiscalYear] })]
 );
+
+// ── B11 EP-Online (registered energy labels, homes; aggregates only, no addresses) ─────────
+
+export const statsEpLabelAgg = statsSchema.table(
+	'ep_label_agg',
+	{
+		/** Publication date of the monthly total file. */
+		snapshot: date('snapshot', { mode: 'string' }).notNull(),
+		/** NL, GOUDA (postcodes 2800–2809) or a Gouda PC4. */
+		area: text('area').notNull(),
+		label: text('label').notNull(),
+		homes: integer('homes').notNull()
+	},
+	(t) => [primaryKey({ columns: [t.snapshot, t.area, t.label] })]
+);