Populate JobText from fetched page content in JobSearchResults

Previously always stored empty string; now stores the full page text
returned by page-fetcher-api, which is already in scope at save time.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Jobs/cv-search-job/Tasks/CvSearchJobTask.cs

@@ -217,7 +217,7 @@ public sealed class CvSearchJobTask : IJobTask
                     ProviderName = GuessProvider(url, providers),
                     JobUrl = url,
                     JobTitle = matchResult.Summary.Split('.').FirstOrDefault()?.Trim() ?? title,
-                    JobText = string.Empty,
+                    JobText = jobText,
                     Score = matchResult.Score,
                     ResultJson = JsonSerializer.Serialize(matchResult, new JsonSerializerOptions(JsonSerializerDefaults.Web)),
                     Email = session.Email,