Fix visual report chapter navigation (#505)

Co-authored-by: Alex Kenley <Alex.Kenley@threatvectorsecurity.com>

tests/test_visual_report.py

@@ -0,0 +1,38 @@
+from bs4 import BeautifulSoup
+
+from src.visual_report import generate_visual_report
+
+
+def test_visual_report_toc_links_match_rendered_heading_ids():
+    report = """
+# Automated Crypto Trading Bot Strategies
+
+### **1.0 Introduction & Research Scope**
+
+Intro body.
+
+### **2.0 Determining the "Best" Configuration**
+
+Configuration body.
+"""
+
+    html = generate_visual_report(
+        "crypto bot strategies",
+        report,
+        sources=[],
+        stats={},
+        session_id="rp-test",
+    )
+    soup = BeautifulSoup(html, "html.parser")
+
+    links = soup.select(".toc-sidebar nav a")
+    assert [link.get_text(strip=True) for link in links] == [
+        "1.0 Introduction & Research Scope",
+        '2.0 Determining the "Best" Configuration',
+    ]
+
+    for link in links:
+        target_id = link["href"].removeprefix("#")
+        target = soup.find(id=target_id)
+        assert target is not None
+        assert target.name in {"h2", "h3"}