Fix HF dataset import internal error and training SQLite readiness.

Wrap AssistentImportHfDataset in try/catch, batch inserts in a transaction, clearer HF rows errors for gated datasets, EnsureTrainingReady with actionable message, and friendlier training UI errors instead of generic internal error.

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

Assets/assistent.bundle.js

@@ -10708,7 +10708,7 @@ ${HELP_TEXT}`);
         setAgentHeardStats(state.agentLinked);
       } catch (e) {
         const msg = String(e.message || e);
-        setTrainStatus(isSqliteError(msg) ? `${msg} \u2014 ${sqliteHint()}` : msg);
+        setTrainStatus(formatTrainError(msg));
         console.warn("loadAgentHeardSettings", e);
       }
     }
@@ -10723,7 +10723,7 @@ ${HELP_TEXT}`);
         state.agentSettings = data?.settings || settings;
         setTrainStatus("\u041D\u0430\u0441\u0442\u0440\u043E\u0439\u043A\u0438 \xAB\u0443\u0441\u043B\u044B\u0448\u0430\u043D\u043D\u043E\u0433\u043E\xBB \u0441\u043E\u0445\u0440\u0430\u043D\u0435\u043D\u044B");
       } catch (e) {
-        setTrainStatus(String(e.message || e));
+        setTrainStatus(formatTrainError(e.message || e));
       }
     }
     async function syncAllToAgent() {
@@ -10736,7 +10736,7 @@ ${HELP_TEXT}`);
         setTrainStatus(`\u041F\u043E\u0434\u043A\u043B\u044E\u0447\u0435\u043D\u043E: +${data?.linked_now ?? 0}, \u0432\u0441\u0435\u0433\u043E ${data?.total_linked ?? "\u2014"}`);
         await refreshSamples();
       } catch (e) {
-        setTrainStatus(String(e.message || e));
+        setTrainStatus(formatTrainError(e.message || e));
       }
     }
     function setTrainStatus(msg) {
@@ -10745,7 +10745,20 @@ ${HELP_TEXT}`);
     }
     function isSqliteError(msg) {
       const s = String(msg || "").toLowerCase();
-      return s.includes("sqlite") || s.includes("sqlconnection");
+      return s.includes("sqlite") || s.includes("sqlconnection") || s.includes("train_samples") || s.includes("training database unavailable");
+    }
+    function isGenericServerError(msg) {
+      return /internal error occurred/i.test(String(msg || ""));
+    }
+    function formatTrainError(msg) {
+      const s = String(msg || "");
+      if (isSqliteError(s)) {
+        return `${s} \u2014 ${sqliteHint()}`;
+      }
+      if (isGenericServerError(s)) {
+        return `${s} \u2014 \u0447\u0430\u0441\u0442\u043E SQLite/\u0438\u043C\u043F\u043E\u0440\u0442 HF: gpu-rent seed-extensions, restart SwarmUI, HF token \u0434\u043B\u044F gated.`;
+      }
+      return s;
     }
     function sqliteHint() {
       return "\u0411\u0430\u0437\u0430 Assistent (SQLite) \u043D\u0435\u0434\u043E\u0441\u0442\u0443\u043F\u043D\u0430 \u2014 gpu-rent seed-extensions + restart SwarmUI (\u22650.15.6).";
@@ -10816,7 +10829,7 @@ ${HELP_TEXT}`);
         const data = await SA2.request("AssistentListTrainSamples", { status, persona, limit: 300 });
         if (data?.error) {
           const msg = data.error;
-          setTrainStatus(isSqliteError(msg) ? `${msg} \u2014 ${sqliteHint()}` : msg);
+          setTrainStatus(formatTrainError(msg));
           const stats2 = $("sa_train_stats");
           if (stats2) stats2.textContent = "\u0414\u0430\u0442\u0430\u0441\u0435\u0442 \u043D\u0435\u0434\u043E\u0441\u0442\u0443\u043F\u0435\u043D (SQLite)";
           state.samples = [];
@@ -10845,7 +10858,7 @@ ${HELP_TEXT}`);
         }
         renderSamples();
       } catch (e) {
-        setTrainStatus(String(e.message || e));
+        setTrainStatus(formatTrainError(e.message || e));
       }
     }
     function renderSamples() {
@@ -11073,7 +11086,7 @@ ${HELP_TEXT}`);
         renderHfList();
         setTrainStatus(`\u041D\u0430\u0439\u0434\u0435\u043D\u043E: ${state.hfResults.length}`);
       } catch (e) {
-        setTrainStatus(String(e.message || e));
+        setTrainStatus(formatTrainError(e.message || e));
       }
     }
     async function checkHfLink() {
@@ -11148,7 +11161,7 @@ ${HELP_TEXT}`);
         $("sa_train_samples")?.scrollIntoView({ behavior: "smooth", block: "nearest" });
       } catch (e) {
         const err = String(e.message || e);
-        const show = isSqliteError(err) ? `${err} \u2014 ${sqliteHint()}` : err;
+        const show = formatTrainError(err);
         setTrainStatus(show);
         if (hfSt) hfSt.textContent = show;
       } finally {
@@ -11203,7 +11216,7 @@ ${HELP_TEXT}`);
         setTrainStatus(`\u0413\u043E\u0442\u043E\u0432\u043E: ${data.name}`);
         SA2.app?.refreshModels?.();
       } catch (e) {
-        setTrainStatus(String(e.message || e));
+        setTrainStatus(formatTrainError(e.message || e));
       } finally {
         btn?.removeAttribute("disabled");
       }
@@ -11328,7 +11341,7 @@ ${HELP_TEXT}`);
         setTrainingTab("train");
         setTrainStatus("QLoRA \u0437\u0430\u043F\u0443\u0449\u0435\u043D\u0430 \u2014 \u043F\u0440\u043E\u0433\u0440\u0435\u0441\u0441 \u043D\u0438\u0436\u0435");
       } catch (e) {
-        setTrainStatus(String(e.message || e));
+        setTrainStatus(formatTrainError(e.message || e));
       }
     }
     async function cancelQlora() {
@@ -11337,7 +11350,7 @@ ${HELP_TEXT}`);
         setTrainingLock(false);
         setTrainStatus("\u041E\u0442\u043C\u0435\u043D\u0435\u043D\u043E");
       } catch (e) {
-        setTrainStatus(String(e.message || e));
+        setTrainStatus(formatTrainError(e.message || e));
       }
     }
     async function refreshTrainModels() {
@@ -11371,7 +11384,7 @@ ${HELP_TEXT}`);
         });
         setTrainStatus("\u0420\u0430\u043D\u043D\u0435\u0440 \u0441\u043E\u0445\u0440\u0430\u043D\u0451\u043D");
       } catch (e) {
-        setTrainStatus(String(e.message || e));
+        setTrainStatus(formatTrainError(e.message || e));
       }
     }
     async function loadRunner() {

AssistentHuggingFace.cs

@@ -425,6 +425,8 @@ public partial class SwarmAssistentExtension
     }
 
     public async Task<JObject> AssistentImportHfDataset(Session session, JObject raw)
+    {
+        try
         {
             string dataset = raw?["dataset"]?.ToString();
             int limit = raw?["limit"]?.Value<int?>() ?? 200;
@@ -458,6 +460,14 @@ public partial class SwarmAssistentExtension
                 string rowsBody = await rowsResp.Content.ReadAsStringAsync();
                 if (!rowsResp.IsSuccessStatusCode)
                 {
+                    if (rows.Count == 0)
+                    {
+                        return new JObject
+                        {
+                            ["error"] = $"HF rows HTTP {(int)rowsResp.StatusCode}: {Clip(rowsBody, 240)}. "
+                                + "Для gated/NSFW добавь huggingface_api в User Settings.",
+                        };
+                    }
                     break;
                 }
                 JObject parsed = JObject.Parse(rowsBody);
@@ -480,7 +490,7 @@ public partial class SwarmAssistentExtension
             {
                 rows = check["sample_rows"] as JArray ?? [];
             }
-        int imported = 0;
+            List<JObject> toSave = [];
             foreach (JToken rowTok in rows.Take(take))
             {
                 if (rowTok is not JObject row)
@@ -493,19 +503,30 @@ public partial class SwarmAssistentExtension
                 {
                     continue;
                 }
-            Memory.UpsertTrainSample(new JObject
+                toSave.Add(new JObject
                 {
                     ["source"] = "hf",
                     ["hf_repo"] = id,
                     ["messages"] = messages,
                     ["status"] = "draft",
                 });
-            imported++;
             }
+            int imported = toSave.Count > 0 ? Memory.ImportTrainSamplesBatch(toSave) : 0;
             if (imported == 0 && check["runner_only"]?.Value<bool?>() == true)
             {
                 return new JObject { ["success"] = true, ["imported"] = 0, ["runner_only"] = true, ["id"] = id, ["note"] = "Большой набор — используй HF id в QLoRA-раннере" };
             }
+            if (imported == 0)
+            {
+                return new JObject
+                {
+                    ["error"] = rows.Count == 0
+                        ? "HF не отдал строки — проверь token (gated/NSFW) и маппинг колонок"
+                        : "0 строк после маппинга — проверь колонки user/assistant",
+                    ["rows_fetched"] = rows.Count,
+                    ["id"] = id,
+                };
+            }
             return new JObject
             {
                 ["success"] = true,
@@ -515,6 +536,34 @@ public partial class SwarmAssistentExtension
                 ["status"] = "draft",
             };
         }
+        catch (Exception ex)
+        {
+            Logs.Error($"AssistentImportHfDataset: {ex}");
+            return new JObject { ["error"] = ex.Message };
+        }
+    }
+
+    static string HfCellString(JToken tok)
+    {
+        if (tok is null || tok.Type == JTokenType.Null)
+        {
+            return "";
+        }
+        if (tok is JArray arr)
+        {
+            List<string> parts = [];
+            foreach (JToken t in arr)
+            {
+                string s = t?.Type == JTokenType.String ? t.ToString() : t?.ToString(Newtonsoft.Json.Formatting.None);
+                if (!string.IsNullOrWhiteSpace(s))
+                {
+                    parts.Add(s.Trim());
+                }
+            }
+            return string.Join(", ", parts);
+        }
+        return tok.ToString().Trim();
+    }
 
     static JArray ConvertHfRowToMessages(JObject row, JObject schema, JObject mapping)
     {
@@ -570,14 +619,14 @@ public partial class SwarmAssistentExtension
         }
         if (kind == "fiction_tags_text")
         {
-            string text = row["text"]?.ToString() ?? "";
+            string text = HfCellString(row["text"]);
             if (string.IsNullOrWhiteSpace(text))
             {
                 return null;
             }
             List<string> userParts = [];
-            string title = row["title"]?.ToString()?.Trim();
+            string title = HfCellString(row["title"]);
-            string tags = row["tags"]?.ToString()?.Trim();
+            string tags = HfCellString(row["tags"]);
             if (!string.IsNullOrWhiteSpace(title))
             {
                 userParts.Add($"Title: {title}");

AssistentMemory.Heard.cs

@@ -50,7 +50,7 @@ public sealed partial class AssistentMemory
         }
         lock (_lock)
         {
-            EnsureOpen();
+            EnsureTrainingReady();
             if (!HasColumn("train_samples", "agent_linked"))
             {
                 return;
@@ -68,7 +68,14 @@ public sealed partial class AssistentMemory
     {
         lock (_lock)
         {
-            EnsureOpen();
+            try
+            {
+                EnsureTrainingReady();
+            }
+            catch
+            {
+                return 0;
+            }
             if (!HasColumn("train_samples", "agent_linked"))
             {
                 return 0;

AssistentMemory.Training.cs

@@ -68,7 +68,7 @@ public sealed partial class AssistentMemory
     {
         lock (_lock)
         {
-            EnsureOpen();
+            EnsureTrainingReady();
             int take = Math.Clamp(limit, 1, 2000);
             List<string> where = [];
             if (!string.IsNullOrWhiteSpace(status) && !string.Equals(status, "all", StringComparison.OrdinalIgnoreCase))
@@ -167,11 +167,38 @@ public sealed partial class AssistentMemory
         }
     }
 
+    public int ImportTrainSamplesBatch(IEnumerable<JObject> samples)
+    {
+        lock (_lock)
+        {
+            EnsureTrainingReady();
+            int imported = 0;
+            using SqliteTransaction tx = _conn.BeginTransaction();
+            foreach (JObject sample in samples)
+            {
+                if (sample is null)
+                {
+                    continue;
+                }
+                UpsertTrainSampleCore(sample, tx);
+                imported++;
+            }
+            tx.Commit();
+            return imported;
+        }
+    }
+
     public JObject UpsertTrainSample(JObject sample)
     {
         lock (_lock)
         {
-            EnsureOpen();
+            EnsureTrainingReady();
+            return UpsertTrainSampleCore(sample, null);
+        }
+    }
+
+    JObject UpsertTrainSampleCore(JObject sample, SqliteTransaction tx)
+    {
         long now = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
         string id = sample["id"]?.ToString()?.Trim();
         if (string.IsNullOrWhiteSpace(id))
@@ -181,6 +208,10 @@ public sealed partial class AssistentMemory
         string datasetId = sample["dataset_id"]?.ToString()?.Trim() ?? "default";
         JArray messages = sample["messages"] as JArray ?? [];
         using SqliteCommand cmd = _conn.CreateCommand();
+        if (tx is not null)
+        {
+            cmd.Transaction = tx;
+        }
         cmd.CommandText =
             """
             INSERT INTO train_samples(id, dataset_id, source, chat_id, persona, pack, hf_repo, messages_json, status, created_at, updated_at)
@@ -211,13 +242,12 @@ public sealed partial class AssistentMemory
         cmd.ExecuteNonQuery();
         return new JObject { ["id"] = id, ["updatedAt"] = now };
     }
-    }
 
     public bool DeleteTrainSample(string id)
     {
         lock (_lock)
         {
-            EnsureOpen();
+            EnsureTrainingReady();
             using SqliteCommand cmd = _conn.CreateCommand();
             cmd.CommandText = "DELETE FROM train_samples WHERE id = $id";
             cmd.Parameters.AddWithValue("$id", id ?? "");
@@ -229,7 +259,7 @@ public sealed partial class AssistentMemory
     {
         lock (_lock)
         {
-            EnsureOpen();
+            EnsureTrainingReady();
             using SqliteCommand cmd = _conn.CreateCommand();
             if (string.IsNullOrWhiteSpace(status) || string.Equals(status, "all", StringComparison.OrdinalIgnoreCase))
             {
@@ -288,7 +318,7 @@ public sealed partial class AssistentMemory
     {
         lock (_lock)
         {
-            EnsureOpen();
+            EnsureTrainingReady();
             using SqliteCommand cmd = _conn.CreateCommand();
             cmd.CommandText = "SELECT id, kind, status, config_json, base_model, output_name, log_path, progress_json, created_at, updated_at, finished_at FROM train_jobs WHERE id = $id";
             cmd.Parameters.AddWithValue("$id", id ?? "");
@@ -305,7 +335,7 @@ public sealed partial class AssistentMemory
     {
         lock (_lock)
         {
-            EnsureOpen();
+            EnsureTrainingReady();
             using SqliteCommand cmd = _conn.CreateCommand();
             cmd.CommandText =
                 "SELECT id, kind, status, config_json, base_model, output_name, log_path, progress_json, created_at, updated_at, finished_at "
@@ -341,7 +371,7 @@ public sealed partial class AssistentMemory
     {
         lock (_lock)
         {
-            EnsureOpen();
+            EnsureTrainingReady();
             using SqliteCommand cmd = _conn.CreateCommand();
             cmd.CommandText = "SELECT id, kind, status, config_json, base_model, output_name, log_path, progress_json, created_at, updated_at, finished_at FROM train_jobs WHERE status IN ('pending','running') ORDER BY updated_at DESC LIMIT 1";
             using SqliteDataReader r = cmd.ExecuteReader();

AssistentMemory.cs

@@ -149,7 +149,7 @@ public sealed partial class AssistentMemory : IDisposable
         }
         catch (Exception ex)
         {
-            Logs.Debug($"AssistentMemory training schema: {ex.Message}");
+            Logs.Error($"AssistentMemory training schema failed: {ex.Message}");
         }
         try
         {
@@ -166,6 +166,10 @@ public sealed partial class AssistentMemory : IDisposable
 
     bool HasColumn(string table, string column)
     {
+        if (!HasTable(table))
+        {
+            return false;
+        }
         using SqliteCommand cmd = _conn.CreateCommand();
         cmd.CommandText = $"PRAGMA table_info({table})";
         using SqliteDataReader reader = cmd.ExecuteReader();
@@ -179,6 +183,29 @@ public sealed partial class AssistentMemory : IDisposable
         return false;
     }
 
+    bool HasTable(string table)
+    {
+        using SqliteCommand cmd = _conn.CreateCommand();
+        cmd.CommandText = "SELECT 1 FROM sqlite_master WHERE type = 'table' AND name = $n LIMIT 1";
+        cmd.Parameters.AddWithValue("$n", table ?? "");
+        return cmd.ExecuteScalar() != null;
+    }
+
+    internal void EnsureTrainingReady()
+    {
+        EnsureOpen();
+        if (!HasTable("train_samples"))
+        {
+            EnsureTrainingSchema();
+        }
+        if (!HasTable("train_samples"))
+        {
+            throw new InvalidOperationException(
+                "Assistent training database unavailable (train_samples). "
+                + "Run gpu-rent seed-extensions and restart SwarmUI (≥0.15.6).");
+        }
+    }
+
     void MigratePersonaColumn()
     {
         if (HasColumn("memories", "persona"))

AssistentTraining.Agent.cs

@@ -25,6 +25,8 @@ public partial class SwarmAssistentExtension
     public async Task<JObject> AssistentGetDatasetAgentSettings(Session session)
     {
         await Task.CompletedTask;
+        try
+        {
             JObject settings = Config.LoadTrainingAgent();
             return new JObject
             {
@@ -34,6 +36,11 @@ public partial class SwarmAssistentExtension
                 ["approved"] = Memory.CountTrainSamples("approved"),
             };
         }
+        catch (Exception ex)
+        {
+            return new JObject { ["error"] = ex.Message };
+        }
+    }
 
     public async Task<JObject> AssistentSaveDatasetAgentSettings(Session session, JObject settings)
     {

SwarmAssistentExtension.cs

@@ -33,7 +33,7 @@ public partial class SwarmAssistentExtension : Extension
         ExtensionAuthor = "mrleo1nid";
         Description = "Collaborative Krea 2 assistant: Ollama chat, persona presets, vector memory, model cards, Generate loop.";
         License = "MIT";
-        Version = "0.15.11";
+        Version = "0.15.12";
         Tags = ["tabs", "ui", "llm", "ollama", "krea", "inpaint", "memory", "training", "heard", "qlora"];
     }
 

scripts/_forbid014.json

@@ -0,0 +1,17 @@
+[
+  "catalog_card",
+  "fromCards",
+  "AssistentGetCard",
+  "AssistentSaveCard",
+  "AssistentSearchCivitai",
+  "AssistentListWanted",
+  "AssistentEnqueueWanted",
+  "buildCivitaiCards",
+  "maybeWriteCardAfterDownload",
+  "sa_tab_cards",
+  "modelCards",
+  "extractCardJson",
+  "userImpliesGenerate",
+  "fromEmptyPatchRetry",
+  "synthesizePatchAfterEmptyFence"
+]

src/training.js

@@ -50,7 +50,7 @@ export function attachTraining(SA) {
       setAgentHeardStats(state.agentLinked);
     } catch (e) {
       const msg = String(e.message || e);
-      setTrainStatus(isSqliteError(msg) ? `${msg} — ${sqliteHint()}` : msg);
+      setTrainStatus(formatTrainError(msg));
       console.warn('loadAgentHeardSettings', e);
     }
   }
@@ -66,7 +66,7 @@ export function attachTraining(SA) {
       state.agentSettings = data?.settings || settings;
       setTrainStatus('Настройки «услышанного» сохранены');
     } catch (e) {
-      setTrainStatus(String(e.message || e));
+      setTrainStatus(formatTrainError(e.message || e));
     }
   }
 
@@ -80,7 +80,7 @@ export function attachTraining(SA) {
       setTrainStatus(`Подключено: +${data?.linked_now ?? 0}, всего ${data?.total_linked ?? '—'}`);
       await refreshSamples();
     } catch (e) {
-      setTrainStatus(String(e.message || e));
+      setTrainStatus(formatTrainError(e.message || e));
     }
   }
 
@@ -91,7 +91,25 @@ export function attachTraining(SA) {
 
   function isSqliteError(msg) {
     const s = String(msg || '').toLowerCase();
-    return s.includes('sqlite') || s.includes('sqlconnection');
+    return s.includes('sqlite')
+      || s.includes('sqlconnection')
+      || s.includes('train_samples')
+      || s.includes('training database unavailable');
+  }
+
+  function isGenericServerError(msg) {
+    return /internal error occurred/i.test(String(msg || ''));
+  }
+
+  function formatTrainError(msg) {
+    const s = String(msg || '');
+    if (isSqliteError(s)) {
+      return `${s} — ${sqliteHint()}`;
+    }
+    if (isGenericServerError(s)) {
+      return `${s} — часто SQLite/импорт HF: gpu-rent seed-extensions, restart SwarmUI, HF token для gated.`;
+    }
+    return s;
   }
 
   function sqliteHint() {
@@ -167,7 +185,7 @@ export function attachTraining(SA) {
       const data = await SA.request('AssistentListTrainSamples', { status, persona, limit: 300 });
       if (data?.error) {
         const msg = data.error;
-        setTrainStatus(isSqliteError(msg) ? `${msg} — ${sqliteHint()}` : msg);
+        setTrainStatus(formatTrainError(msg));
         const stats = $('sa_train_stats');
         if (stats) stats.textContent = 'Датасет недоступен (SQLite)';
         state.samples = [];
@@ -196,7 +214,7 @@ export function attachTraining(SA) {
       }
       renderSamples();
     } catch (e) {
-      setTrainStatus(String(e.message || e));
+      setTrainStatus(formatTrainError(e.message || e));
     }
   }
 
@@ -441,7 +459,7 @@ export function attachTraining(SA) {
       renderHfList();
       setTrainStatus(`Найдено: ${state.hfResults.length}`);
     } catch (e) {
-      setTrainStatus(String(e.message || e));
+      setTrainStatus(formatTrainError(e.message || e));
     }
   }
 
@@ -522,7 +540,7 @@ export function attachTraining(SA) {
       $('sa_train_samples')?.scrollIntoView({ behavior: 'smooth', block: 'nearest' });
     } catch (e) {
       const err = String(e.message || e);
-      const show = isSqliteError(err) ? `${err} — ${sqliteHint()}` : err;
+      const show = formatTrainError(err);
       setTrainStatus(show);
       if (hfSt) hfSt.textContent = show;
     } finally {
@@ -578,7 +596,7 @@ export function attachTraining(SA) {
       setTrainStatus(`Готово: ${data.name}`);
       SA.app?.refreshModels?.();
     } catch (e) {
-      setTrainStatus(String(e.message || e));
+      setTrainStatus(formatTrainError(e.message || e));
     } finally {
       btn?.removeAttribute('disabled');
     }
@@ -712,7 +730,7 @@ export function attachTraining(SA) {
       setTrainingTab('train');
       setTrainStatus('QLoRA запущена — прогресс ниже');
     } catch (e) {
-      setTrainStatus(String(e.message || e));
+      setTrainStatus(formatTrainError(e.message || e));
     }
   }
 
@@ -722,7 +740,7 @@ export function attachTraining(SA) {
       setTrainingLock(false);
       setTrainStatus('Отменено');
     } catch (e) {
-      setTrainStatus(String(e.message || e));
+      setTrainStatus(formatTrainError(e.message || e));
     }
   }
 
@@ -760,7 +778,7 @@ export function attachTraining(SA) {
       });
       setTrainStatus('Раннер сохранён');
     } catch (e) {
-      setTrainStatus(String(e.message || e));
+      setTrainStatus(formatTrainError(e.message || e));
     }
   }
 
@@ -805,7 +823,7 @@ export function attachTraining(SA) {
         const data = await SA.request('AssistentImportDataset', { format: 'auto', content: text });
         setTrainStatus(`Импорт: ${data.imported}`);
         await refreshSamples();
-      } catch (err) { setTrainStatus(String(err.message || err)); }
+      } catch (err) { setTrainStatus(formatTrainError(err.message || err)); }
       e.target.value = '';
     });
     $('sa_btn_train_export')?.addEventListener('click', async () => {
@@ -842,7 +860,7 @@ export function attachTraining(SA) {
           setAgentHeardStats(state.agentLinked);
           setTrainStatus('Пример подключён к агенту');
           await refreshSamples();
-        } catch (err) { setTrainStatus(String(err.message || err)); }
+        } catch (err) { setTrainStatus(formatTrainError(err.message || err)); }
       } else if (e.target.closest('[data-unlink]')) {
         try {
           const data = await SA.request('AssistentUnlinkTrainSampleFromAgent', { id });
@@ -850,7 +868,7 @@ export function attachTraining(SA) {
           setAgentHeardStats(state.agentLinked);
           setTrainStatus('Пример отключён от агента');
           await refreshSamples();
-        } catch (err) { setTrainStatus(String(err.message || err)); }
+        } catch (err) { setTrainStatus(formatTrainError(err.message || err)); }
       } else if (e.target.closest('[data-del]')) {
         if (window.confirm('Удалить пример?')) {
           await SA.request('AssistentDeleteTrainSample', { id });