feat(report): new cover and layout for the HTML and PDF reports

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

crates/guara-core/tests/pdf.rs

@@ -88,6 +88,12 @@ fn streams(pdf: &[u8]) -> Vec<String> {
     while let Some(s) = find(pdf, b">>\nstream\n", at) {
         let start = s + 10;
         let end = find(pdf, b"\nendstream", start).unwrap();
+        // the cover logo is a raw JPEG (`/DCTDecode`), not a content stream
+        let dict_start = pdf[..s].windows(2).rposition(|w| w == b"<<").unwrap();
+        if find(&pdf[..s], b"/DCTDecode", dict_start).is_some() {
+            at = end;
+            continue;
+        }
         let mut text = String::new();
         flate2::read::ZlibDecoder::new(&pdf[start..end])
             .read_to_string(&mut text)
@@ -146,7 +152,11 @@ fn long_lists_paginate_with_numbered_footers() {
     assert!(pages.len() >= 5, "{} páginas", pages.len());
     let last = pages.len();
     assert!(pages[last - 1].contains(&format!("p\\341gina {last} de {last}")));
-    assert!(pages[0].contains(&format!("p\\341gina 1 de {last}")));
+    // page 1 is the full-bleed cover (no footer); numbering continues on page 2
+    assert!(!pages[0].contains("p\\341gina 1 de"));
+    assert!(pages[1].contains(&format!("p\\341gina 2 de {last}")));
+    assert!(pages[0].contains("/Im1 Do"), "logo da capa ausente");
+    assert!(pages[1].contains("TLP:AMBER"));
     // the table header row is repeated at the top of each continuation page
     assert!(pages[2].contains("Modificado \\(UTC\\)"));
     // every table row appears exactly once across all pages