Add FTS lookup for seeded Civitai Krea2 prompt examples.

Index Assistent/civitai-examples.jsonl without embeddings and expose AssistentLookupExamples plus ask:examples hop for remix references.

Co-authored-by: Cursor <cursoragent@cursor.com>

AssistentMemoryApi.cs

@@ -240,6 +240,37 @@ public partial class SwarmAssistentExtension
         }
     }
 
+    public async Task<JObject> AssistentLookupExamples(Session session, string query, int limit = 5, string rating = null)
+    {
+        await Task.CompletedTask;
+        if (Memory is null)
+        {
+            return new JObject { ["error"] = "memory not ready" };
+        }
+        query = (query ?? "").Trim();
+        if (query.Length < 1)
+        {
+            return new JObject { ["error"] = "query required" };
+        }
+        try
+        {
+            JArray examples = Memory.LookupExamples(query, limit, rating);
+            return new JObject
+            {
+                ["success"] = true,
+                ["query"] = query,
+                ["rating"] = rating ?? "",
+                ["examples"] = examples,
+                ["indexed"] = Memory.ExampleCount(),
+                ["path"] = Memory.FindCivitaiExamplesJsonl() ?? "",
+            };
+        }
+        catch (Exception ex)
+        {
+            return new JObject { ["error"] = $"example lookup: {ex.Message}" };
+        }
+    }
+
     public async Task<JObject> AssistentClearMemory(Session session, string scope = null, string kind = null, string persona = null)
     {
         await Task.CompletedTask;