test (memory/compaction): cover resolved memory flush prompt semantics

src/auto-reply/reply/memory-flush.test.ts

@@ -0,0 +1,36 @@
+import { describe, expect, it } from "vitest";
+import { resolveMemoryFlushPromptForRun } from "./memory-flush.js";
+
+describe("resolveMemoryFlushPromptForRun", () => {
+  const cfg = {
+    agents: {
+      defaults: {
+        userTimezone: "America/New_York",
+        timeFormat: "12",
+      },
+    },
+  };
+
+  it("replaces YYYY-MM-DD using user timezone and appends current time", () => {
+    const prompt = resolveMemoryFlushPromptForRun({
+      prompt: "Store durable notes in memory/YYYY-MM-DD.md",
+      cfg,
+      nowMs: Date.UTC(2026, 1, 16, 15, 0, 0),
+    });
+
+    expect(prompt).toContain("memory/2026-02-16.md");
+    expect(prompt).toContain("Current time:");
+    expect(prompt).toContain("(America/New_York)");
+  });
+
+  it("does not append a duplicate current time line", () => {
+    const prompt = resolveMemoryFlushPromptForRun({
+      prompt: "Store notes.\nCurrent time: already present",
+      cfg,
+      nowMs: Date.UTC(2026, 1, 16, 15, 0, 0),
+    });
+
+    expect(prompt).toContain("Current time: already present");
+    expect((prompt.match(/Current time:/g) ?? []).length).toBe(1);
+  });
+});