Preserve preview harness, editor, email and task improvements

Snapshot current maintainer-preview application changes and regression fixtures for integration into lab. Excludes local runtime data, evaluation outputs and source backups. Focused Python regression selection: 140 passed; full suite not certified.

tests/test_search_content_extraction_parity.py

@@ -36,6 +36,61 @@ class _FakeErrorResponse:
         )
 
 
+@pytest.mark.parametrize('markup', [
+    '<main><article><h2><a href="/one">First story</a></h2><p>3 points</p></article><article><h2><a href="/two">Second story</a></h2><p>900 points</p></article></main>',
+    '<body><table><tr><td>1.</td><td><a href="/vote"><img src="up.png"></a></td><td><a href="/one">First story</a></td></tr><tr><td>3 points</td></tr><tr><td>2.</td><td><a href="/two">Second story</a></td></tr><tr><td>900 points</td></tr></table></body>',
+    '<main><ol><li><a href="/one">First story</a> 3 points</li><li><a href="/two">Second story</a> 900 points</li></ol></main>',
+])
+def test_listing_links_preserve_destination_and_source_order(markup, tmp_path, monkeypatch):
+    monkeypatch.setattr(service_content, 'CONTENT_CACHE_DIR', tmp_path)
+    monkeypatch.setattr(service_content, '_get_public_url', lambda *a, **k: _FakeResponse(markup))
+    result = service_content.fetch_webpage_content('https://example.org/list')
+    text = result['linked_content']
+    assert '[First story](<https://example.org/one>)' in text
+    assert '[Second story](<https://example.org/two>)' in text
+    assert text.index('First story') < text.index('Second story')
+    assert '\n' in text
+    assert '](' not in result['content']
+    assert result['page_entries'] == [
+        {'title': 'First story', 'url': 'https://example.org/one'},
+        {'title': 'Second story', 'url': 'https://example.org/two'},
+    ]
+
+
+def test_link_extraction_ignores_unsafe_schemes_and_escapes_labels():
+    from bs4 import BeautifulSoup
+    html = '<main><a href="javascript:alert(1)">Bad</a><a href="#part">Jump</a><a href="/a?q=1&amp;b=2">A [label]</a></main>'
+    text = service_content._linked_text(BeautifulSoup(html, 'html.parser'), 'https://example.org/')
+    assert 'javascript:' not in text
+    assert '[Jump]' not in text
+    assert r'[A \[label\]](<https://example.org/a?q=1&b=2>)' in text
+
+
+@pytest.mark.asyncio
+async def test_web_fetch_delivers_linked_content_to_model(monkeypatch):
+    from src.agent_tools.web_tools import WebFetchTool
+    from src.search import content
+    linked = '[First story](<https://example.org/one>)\n[Second story](<https://example.org/two>)'
+    monkeypatch.setattr(content, 'fetch_webpage_content', lambda *a, **k: {
+        'title': 'Listing', 'content': 'First story Second story', 'linked_content': linked,
+    })
+    result = await WebFetchTool().execute('{"url":"https://example.org/list"}', {})
+    assert result['exit_code'] == 0
+    assert linked in result['output']
+
+
+def test_simple_listing_is_rendered_with_links_without_reranking():
+    from src.clean_agent_preview import page_listing_response
+    entries = [{'title': 'Low points first', 'url': 'https://example.org/a'},
+               {'title': 'High points second', 'url': 'https://example.org/b'}]
+    text = page_listing_response(entries, 'top hackernews stories')
+    assert '1. [Low points first](<https://example.org/a>)' in text
+    assert '2. [High points second](<https://example.org/b>)' in text
+    assert page_listing_response(entries, 'Summarize the articles') == ''
+    assert page_listing_response(entries, 'top stories and email them to Jon') == ''
+    assert page_listing_response(entries, 'top stories about science') == ''
+
+
 def test_single_article_inside_main_excludes_related_links_and_comment_form(tmp_path, monkeypatch):
     body = 'The measured storage comparison includes uncertainty and cost limitations. ' * 8
     html = f'<main><article><h1>Storage comparison</h1><p>{body}</p></article><section>Related posts: home battery storage tags</section><form>Leave a comment</form></main>'