diff --git a/_plugins/search_index_generator.rb b/_plugins/search_index_generator.rb
index 59b7d34..9fcb4ba 100644
--- a/_plugins/search_index_generator.rb
+++ b/_plugins/search_index_generator.rb
@@ -125,6 +125,15 @@ def publish_flat_index(lang_code, menu)
           end
         end
       end
+      # Learning paths (spec 006): searchable by their title, summary and step titles.
+      label = lang_code == 'pt-BR' ? 'Trilhas de aprendizado' : 'Learning paths'
+      (@site.data.dig(lang_code, 'learning-paths') || {}).sort.each do |slug, path|
+        next unless path.is_a?(Hash)
+
+        steps = Array(path['stages']).flat_map { |stage| Array(stage['steps']).map { |step| step['title'] } }.compact
+        entries << { 'title' => path['title'], 'url' => "/#{lang_code}/learning-paths/#{slug}/", 'type' => 'learning-path',
+                     'category' => label, 'description' => [path['summary'], steps.join(' · ')].compact.join(' ') }
+      end
       topics = topic_lookup(lang_code, menu)
       seen = {}
       each_real_resource(@site.data[lang_code], [], [], &lambda { |resource, trail, keys|
diff --git a/docs/specs/006-learning-paths/tasks.md b/docs/specs/006-learning-paths/tasks.md
index 1ba5c0d..5460157 100644
--- a/docs/specs/006-learning-paths/tasks.md
+++ b/docs/specs/006-learning-paths/tasks.md
@@ -3,7 +3,7 @@
 - [x] T1 Data schema and test (`test/learning_paths_test.rb`)
 - [x] T2 Generator, layout and index page (en-US, pt-BR)
 - [x] T3 Interaction script: details, progress, live region; no-JS fallback
-- [ ] T4 Subcategory pages list their paths (done); search indexes paths (pending)
+- [x] T4 Subcategory pages list their paths; search indexes paths
 - [x] T5 Author 12 paths per language from IPL data (frontend, backend, Python, JavaScript, data analysis, machine
        learning, DevOps, cybersecurity, databases, UX, mobile, computer science), with reviews
-- [ ] T6 e2e and axe checks
+- [x] T6 e2e and axe checks
diff --git a/e2e/tests/accessibility.spec.mjs b/e2e/tests/accessibility.spec.mjs
index 5764a01..adf1454 100644
--- a/e2e/tests/accessibility.spec.mjs
+++ b/e2e/tests/accessibility.spec.mjs
@@ -12,6 +12,8 @@ const PAGES = [
   ['section', '/en-US/academics/computer-science-theory/cryptography-theory/'],
   ['wiki', '/en-US/academics/computer-science-theory/cryptography-theory/wiki/'],
   ['search', '/en-US/search/'],
+  ['learning paths', '/en-US/learning-paths/'],
+  ['learning path pt-BR', '/pt-BR/learning-paths/frontend/'],
   ['not found', '/this-page-does-not-exist/'],
 ];
 
diff --git a/e2e/tests/learning-paths.spec.mjs b/e2e/tests/learning-paths.spec.mjs
new file mode 100644
index 0000000..2f7764f
--- /dev/null
+++ b/e2e/tests/learning-paths.spec.mjs
@@ -0,0 +1,38 @@
+// @ts-check
+import { test, expect } from '@playwright/test';
+
+// Spec 006: progress per step is kept in the reader's browser and announced; steps work as <details>.
+test('learning path progress persists across reloads and is announced', async ({ page }) => {
+  await page.goto('/en-US/learning-paths/frontend/');
+  const steps = page.locator('.learning-path-step');
+  const total = await steps.count();
+  expect(total).toBeGreaterThan(5);
+
+  const bar = page.getByRole('progressbar');
+  await expect(bar).toHaveAttribute('aria-valuenow', '0');
+
+  // Only the next unfinished step is open with JavaScript.
+  await expect(page.locator('.learning-path-step details[open]')).toHaveCount(1);
+
+  const first = steps.first();
+  await first.getByRole('checkbox', { name: 'I finished this step' }).check();
+  await expect(bar).toHaveAttribute('aria-valuenow', '1');
+  await expect(page.getByRole('status')).toContainText(`1 / ${total}`);
+
+  await page.reload();
+  await expect(page.getByRole('progressbar')).toHaveAttribute('aria-valuenow', '1');
+  // A finished step is collapsed, so read its checkbox directly.
+  await expect(page.locator('.learning-path-step').first().locator('input[type="checkbox"]')).toBeChecked();
+  // After a reload the second step is the next one to open.
+  await expect(page.locator('.learning-path-step').nth(1).locator('details')).toHaveAttribute('open', '');
+});
+
+test('learning path is readable without JavaScript', async ({ browser }) => {
+  const context = await browser.newContext({ javaScriptEnabled: false });
+  const page = await context.newPage();
+  await page.goto('/pt-BR/learning-paths/python/');
+  const open = page.locator('.learning-path-step details[open]');
+  expect(await open.count()).toBe(await page.locator('.learning-path-step').count());
+  await expect(page.locator('.learning-path-step a[href^="https://"]').first()).toBeVisible();
+  await context.close();
+});
diff --git a/test/build_output_test.rb b/test/build_output_test.rb
index edc1ab4..c253db2 100644
--- a/test/build_output_test.rb
+++ b/test/build_output_test.rb
@@ -34,6 +34,16 @@ def test_subcategory_pages_list_their_curated_resources
     assert_operator html.scan(/rel="noopener" class="font-semibold text-blue-700/).size, :>=, 10
   end
 
+  # Spec 006 T4: learning paths are searchable, and their "see also" links are not indexed as resources.
+  def test_search_index_lists_learning_paths
+    entries = JSON.parse(SiteBuild.output('api/pt-BR/search-index.json'))
+    paths = entries.select { |entry| entry['type'] == 'learning-path' }
+
+    assert_operator paths.size, :>=, 12
+    assert(paths.any? { |entry| entry['url'] == '/pt-BR/learning-paths/python/' })
+    refute(entries.any? { |entry| entry['type'] == 'resource' && entry['url'].start_with?('https://roadmap.sh/') && entry['category'].to_s.include?('See also') })
+  end
+
   def test_library_totals_count_every_curated_resource
     stats = SiteBuild.site.data['resource_stats']
     html = SiteBuild.output('en-US/categories/index.html')