Add Knowledge Hub books FTS and remove training UI (0.16.0).

Index Assistent/books search.jsonl, expose knowledge hops/catalog in chat, and drop QLoRA/HF training stack.

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

AssistentChatPipeline.cs

@@ -98,6 +98,11 @@ public partial class SwarmAssistentExtension
             }
             AddLayer("skills", skillsBlock.ToString());
             AddLayer("identity", Config.RenderIdentityBlock(pid));
+            string knowledgeLayer = BuildKnowledgeSystemLayer(pid);
+            if (!string.IsNullOrWhiteSpace(knowledgeLayer))
+            {
+                AddLayer("knowledge", knowledgeLayer);
+            }
         }
 
         if (!string.IsNullOrWhiteSpace(packName))
@@ -179,7 +184,7 @@ public partial class SwarmAssistentExtension
         return (ollamaMessages, layers);
     }
 
-    async Task<(string reply, JObject raw, JArray civitaiResults, int systemChars, JObject systemLayers)> RunChatWithHops(
+    async Task<(string reply, JObject raw, JArray civitaiResults, JObject knowledge, int systemChars, JObject systemLayers)> RunChatWithHops(
         Session session,
         string root,
         string modelName,
@@ -238,6 +243,8 @@ public partial class SwarmAssistentExtension
             ?? 0;
         string reply = "";
         JObject lastRaw = null;
+        JArray knowledgeHops = [];
+        JArray knowledgeResults = [];
         int maxHops = slimUtility ? 1 : CfgInt("max_tool_hops", MaxToolHopsFallback);
         HashSet<string> hopDone = new(StringComparer.OrdinalIgnoreCase);
         for (int hop = 0; hop < maxHops; hop++)
@@ -267,7 +274,7 @@ public partial class SwarmAssistentExtension
                     follow = null;
                     break;
                 }
-                follow = await RunToolHop(session, pid, patch, tool, hopDone);
+                follow = await RunToolHop(session, pid, patch, tool, hopDone, knowledgeHops, knowledgeResults);
                 if (follow is not null)
                 {
                     break;
@@ -285,7 +292,9 @@ public partial class SwarmAssistentExtension
             messages.Add(new JObject { ["role"] = "assistant", ["content"] = assistantContent });
             messages.Add(new JObject { ["role"] = "user", ["content"] = follow });
         }
-        return (reply, lastRaw, [], systemChars, systemLayers);
+        JObject knowledge = BuildKnowledgeResponse(pid, knowledgeHops, knowledgeResults);
+        JArray civitai = CivitaiResultsShim(knowledgeResults);
+        return (reply, lastRaw, civitai, knowledge, systemChars, systemLayers);
     }
 
     static string BuildRetrieveQuery(JArray userMessages, string contextJson, string packName = null)
@@ -413,7 +422,9 @@ public partial class SwarmAssistentExtension
         string pid,
         JObject patch,
         string tool,
-        HashSet<string> hopDone)
+        HashSet<string> hopDone,
+        JArray knowledgeHops = null,
+        JArray knowledgeResults = null)
     {
         if (tool == "ask_settings")
         {
@@ -452,6 +463,35 @@ public partial class SwarmAssistentExtension
                 + "omit ask:inventory unless you need a different query.\n```json\n"
                 + rows.ToString(Newtonsoft.Json.Formatting.None) + "\n```";
         }
+        if (tool == "ask_knowledge")
+        {
+            string q = patch?["knowledge_query"]?.ToString()?.Trim()
+                ?? patch?["example_query"]?.ToString()?.Trim()
+                ?? patch?["memory_query"]?.ToString()?.Trim()
+                ?? "";
+            string rating = patch?["knowledge_rating"]?.ToString()?.Trim()
+                ?? patch?["example_rating"]?.ToString()?.Trim();
+            string sig = "ask_knowledge:" + q.ToLowerInvariant() + ":" + (rating ?? "");
+            if (!hopDone.Add(sig))
+            {
+                return null;
+            }
+            if (string.IsNullOrWhiteSpace(q))
+            {
+                return
+                    "ask:knowledge needs knowledge_query (tags / scene / style). "
+                    + "Retry with \"ask\":[\"knowledge\"], \"knowledge_query\":\"redhead stockings\".";
+            }
+            int lim = Config.LoadAssistant(pid)["knowledge_hop_limit"]?.Value<int?>()
+                ?? Config.LoadAssistant(pid)["examples_hop_limit"]?.Value<int?>() ?? 6;
+            JArray rows = SearchKnowledge(pid, q, lim, rating);
+            knowledgeHops?.Add(new JObject { ["tool"] = "ask_knowledge", ["query"] = q, ["count"] = rows.Count });
+            MergeKnowledgeResults(knowledgeResults, rows);
+            return
+                "ask:knowledge — FTS over attached books (read-only references). "
+                + "Remix ideas; do not paste long verbatim.\n```json\n"
+                + rows.ToString(Newtonsoft.Json.Formatting.None) + "\n```";
+        }
         if (tool == "ask_examples")
         {
             string q = patch?["example_query"]?.ToString()?.Trim()
@@ -471,6 +511,8 @@ public partial class SwarmAssistentExtension
             }
             int lim = Config.LoadAssistant(pid)["examples_hop_limit"]?.Value<int?>() ?? 5;
             JArray examples = Memory?.LookupExamples(q, lim, rating) ?? [];
+            knowledgeHops?.Add(new JObject { ["tool"] = "ask_examples", ["query"] = q, ["count"] = examples.Count });
+            MergeKnowledgeResults(knowledgeResults, examples, legacyExamples: true);
             return
                 "ask:examples — Civitai Krea2 prompt references (FTS, no embeddings). "
                 + "These are EXAMPLES to remix, not copy 1:1. Prefer craft over pasting.\n```json\n"