fix(web): hide the note title from the first PDF page header

apps/web/src/styles/note-print.css

@@ -17,6 +17,14 @@
   }
 }
 
+/* The note title is already the first-page heading. A running header there
+   repeats the same text above it. Later pages still carry the title. */
+@page :first {
+  @top-center {
+    content: none;
+  }
+}
+
 * {
   box-sizing: border-box;
 }

apps/web/src/styles/note-print.test.mjs

@@ -0,0 +1,23 @@
+import { readFileSync } from "node:fs";
+import { describe, expect, test } from "bun:test";
+
+const css = readFileSync(new URL("./note-print.css", import.meta.url), "utf8");
+
+const pageRule = (selector) => {
+  const marker = `@page${selector} {`;
+  const start = css.indexOf(marker);
+  expect(start).toBeGreaterThanOrEqual(0);
+  const end = css.indexOf("\n}", start);
+  return css.slice(start, end);
+};
+
+describe("note print running header", () => {
+  test("repeats the note title from the second page onward", () => {
+    expect(pageRule("")).toContain("content: string(edgeever-note-title)");
+    expect(css).toContain("string-set: edgeever-note-title content(text)");
+  });
+
+  test("leaves the first page header empty so it does not repeat the title", () => {
+    expect(pageRule(" :first")).toMatch(/@top-center\s*\{[^}]*content:\s*none;/s);
+  });
+});