Add digital catalog with shareable flipbook and ktg.montzar.ir deploy files.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/server/rate-limit.test.ts

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+import { describe, expect, it } from "vitest";
+import { createRateLimiter } from "../../server/rate-limit";
+
+describe("createRateLimiter", () => {
+  it("allows the first 10 hits from an IP", () => {
+    let now = 1_000;
+    const limiter = createRateLimiter(10, 60 * 60 * 1000, () => now);
+
+    for (let i = 0; i < 10; i++) {
+      expect(limiter.check("1.1.1.1")).toBe(true);
+    }
+  });
+
+  it("rejects the 11th hit within the window", () => {
+    let now = 1_000;
+    const limiter = createRateLimiter(10, 60 * 60 * 1000, () => now);
+
+    for (let i = 0; i < 10; i++) {
+      limiter.check("1.1.1.1");
+    }
+
+    expect(limiter.check("1.1.1.1")).toBe(false);
+  });
+
+  it("allows another hit after the window elapses", () => {
+    let now = 1_000;
+    const windowMs = 60 * 60 * 1000;
+    const limiter = createRateLimiter(10, windowMs, () => now);
+
+    for (let i = 0; i < 10; i++) {
+      limiter.check("1.1.1.1");
+    }
+
+    now += windowMs + 1;
+    expect(limiter.check("1.1.1.1")).toBe(true);
+  });
+
+  it("tracks IPs independently", () => {
+    const limiter = createRateLimiter(1, 60_000, () => 1_000);
+    expect(limiter.check("a")).toBe(true);
+    expect(limiter.check("a")).toBe(false);
+    expect(limiter.check("b")).toBe(true);
+  });
+});