update retention policy to a maximum of 2 days for completed archives and adjust related configurations

tests/test_main.py

@@ -19,6 +19,8 @@ def test_capture_routes_are_scoped_to_the_browser_session(tmp_path, monkeypatch)
         artifacts_dir=tmp_path / "artifacts",
         reports_dir=tmp_path / "reports",
         worker_enabled=False,
+        default_retention_days=2,
+        max_retention_days=2,
     )
     test_settings.ensure_directories()
     test_database = Database(test_settings.database_path)
@@ -31,7 +33,8 @@ def test_capture_routes_are_scoped_to_the_browser_session(tmp_path, monkeypatch)
     with TestClient(main.app) as client:
         homepage = client.get("/")
         assert homepage.status_code == 200
-        assert "Copy the web." in homepage.text
+        assert "Archive the web." in homepage.text
+        assert "Website Downloader & Offline Archive Tool" in homepage.text
         assert client.get("/api/captures").status_code == 401
 
         created = client.post(
@@ -50,6 +53,18 @@ def test_capture_routes_are_scoped_to_the_browser_session(tmp_path, monkeypatch)
         assert created_job["options"]["parallel_connections"] == 2
         assert created_job["options"]["download_asset_types"] == ["styles", "images"]
         assert created_job["options"]["skip_file_types"] == ["pdf", "zip"]
+        assert created_job["options"]["retention_days"] == 2
+
+        capabilities = client.get("/api/capabilities")
+        assert capabilities.status_code == 200
+        assert capabilities.json()["limits"]["max_retention_days"] == 2
+
+        rejected_retention = client.post(
+            "/api/captures",
+            headers={"X-SiteHarbor-Session": owner_a},
+            json={"url": "https://example.com", "retention_days": 3},
+        )
+        assert rejected_retention.status_code == 422
 
         assert client.get(
             f"/api/captures/{job_id}", headers={"X-SiteHarbor-Session": owner_b}