Fix vector generation error handling

modules/story-summary/story-summary.html

@@ -164,7 +164,7 @@
                     <div class="settings-tab active" data-tab="tab-summary">总结设置</div>
                     <div class="settings-tab" data-tab="tab-vector">向量设置</div>
                     <div class="settings-tab" data-tab="tab-debug">调试</div>
-                    <div class="settings-tab" data-tab="tab-guide">使用说明</div>
+                    <div class="settings-tab" data-tab="tab-guide">说明</div>
                 </div>
                 <button class="modal-close" id="settings-close">
                     <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
@@ -514,7 +514,7 @@
                                 </div>
 
                                 <div class="settings-hint" style="margin-top:8px">
-                                    向量化现有数据，生成速度很快
+                                    向量化现有数据
                                 </div>
 
                                 <!-- 导入导出 -->
@@ -800,4 +800,4 @@
     <script src="story-summary-ui.js"></script>
 </body>
 
-</html>
+</html>

modules/story-summary/story-summary.js

@@ -468,8 +468,8 @@ async function handleGenerateVectors(vectorCfg) {
             const message = chat[floor];
             if (!message) continue;
 
-            const { chunks, status } = chunkMessage(message, floor, vectorCfg, true);
-            if (status === "skip") continue;
+            const chunks = chunkMessage(floor, message);
+            if (!chunks.length) continue;
 
             allChunks.push(...chunks);
         }
@@ -548,6 +548,10 @@ async function handleGenerateVectors(vectorCfg) {
         await sendVectorStatsToFrame();
 
         xbLog.info(MODULE_ID, `向量生成完成: L0=${atoms.length}, L1=${l1Vectors.length}, L2=${l2Pairs.length}`);
+    } catch (e) {
+        xbLog.error(MODULE_ID, '向量生成失败', e);
+        postToFrame({ type: "VECTOR_GEN_PROGRESS", phase: "ALL", current: -1, total: 0 });
+        await sendVectorStatsToFrame();
     } finally {
         release();
         vectorCancelled = false;