Improves SEO and data fetching in job search

Adds metadata for better SEO and social sharing.

Refines data fetching logic in job searches using
the existing baseline predicate to avoid redundant
filtering.

Author: VisualBean

docs/assets/social-card.png

@@ -4,6 +4,17 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>Do it with GUSTO</title>
+    <meta name="description" content="GUSTO is a lightweight .NET background job runner that gives you the worker while letting you own storage, orchestration, and extensions such as batching, continuations, cron, retries, observability, and testing." />
+    <meta name="keywords" content="GUSTO, .NET job runner, background jobs, batching, continuations, cron, retries, OpenTelemetry, ByteBard, job queue, background service" />
+    <meta property="og:title" content="Do it with GUSTO" />
+    <meta property="og:description" content="Sample-driven guide for extending the GUSTO job runner: start with the stock worker, then bolt on batching, continuations, cron scheduling, retries, observability, and testing helpers." />
+    <meta property="og:type" content="website" />
+    <meta property="og:url" content="https://github.com/ByteBardOrg/GUSTO" />
+    <meta property="og:image" content="https://github.com/ByteBardOrg/GUSTO/raw/main/assets/social-card.png" />
+    <meta name="twitter:card" content="summary_large_image" />
+    <meta name="twitter:title" content="Do it with GUSTO" />
+    <meta name="twitter:description" content="Guided scenarios for extending the GUSTO job runner with batching, continuations, cron, retries, observability, and testing techniques." />
+    <meta name="twitter:image" content="https://github.com/ByteBardOrg/GUSTO/raw/main/assets/social-card.png" />
     <link rel="preconnect" href="https://fonts.googleapis.com">
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
     <link href="https://fonts.googleapis.com/css2?family=Atkinson+Hyperlegible:wght@400;500&family=Bricolage+Grotesque:wght@600&family=Chivo:wght@500;600&family=IBM+Plex+Mono:wght@400;500&display=swap" rel="stylesheet">
@@ -145,13 +156,11 @@ <h2>Full EF Core provider (Storage + Scheduling brain)</h2>
         JobSearchParams&lt;JobRecord&gt; parameters,
         CancellationToken cancellationToken)
     {
-        var now = DateTime.UtcNow;
-
-        // Parameters are used by the worker to provide a base filter (IsComplete && !Expired && ExecuteAfter > Now)
-        // These are expected in all implementations, but can be built upon.
-        return _context.JobRecords
+        // parameters.Match already contains the worker's baseline predicate (see FAQ)
+        return await _context.JobRecords
             .Where(parameters.Match.Compile())
-            .Take(parameters.Limit);
+            .Take(parameters.Limit)
+            .ToListAsync(cancellationToken);
     }
 
     public async Task MarkJobAsCompleteAsync(JobRecord jobStorageRecord, CancellationToken cancellationToken)