Add smart money event calendar enrichment

services/refdata/tests/event-calendar.test.ts

@@ -0,0 +1,31 @@
+import { describe, expect, it } from "bun:test";
+import { createStaticEventCalendarProvider, parseEventCalendarEntries } from "../src/event-calendar";
+
+describe("event calendar refdata", () => {
+  it("parses provider rows and filters by timestamp availability", () => {
+    const entries = parseEventCalendarEntries([
+      {
+        symbol: "aapl",
+        event_date: "2025-01-31T21:00:00Z",
+        event_kind: "earnings",
+        announced_ts: "2025-01-20T21:00:00Z",
+        source: "fixture"
+      },
+      {
+        symbol: "AAPL",
+        event_date: "2025-02-28T21:00:00Z",
+        type: "mystery",
+        announced_ts: "2025-02-01T21:00:00Z"
+      }
+    ]);
+
+    const provider = createStaticEventCalendarProvider(entries);
+    const beforeAnnouncement = provider.findNextEvent("AAPL", Date.parse("2025-01-15T15:00:00Z"));
+    const afterAnnouncement = provider.findNextEvent("aapl", Date.parse("2025-01-21T15:00:00Z"));
+
+    expect(beforeAnnouncement).toBeNull();
+    expect(afterAnnouncement?.event_kind).toBe("earnings");
+    expect(afterAnnouncement?.underlying_id).toBe("AAPL");
+    expect(afterAnnouncement?.days_to_event).toBeGreaterThan(0);
+  });
+});