完善预览功能

.reasonix/desktop-topic-auto-title-meta.json

@@ -70,5 +70,11 @@
     "userTurns": 1,
     "basisHash": "b2acebe8a17318f4",
     "updatedAt": 1784541735771
+  },
+  "topic_20260722-163413_8ebd34b08091d260": {
+    "stage": 1,
+    "userTurns": 1,
+    "basisHash": "c61a582d55782664",
+    "updatedAt": 1784738151003
   }
 }

.reasonix/desktop-topic-created-at.json

@@ -1,4 +1,5 @@
 {
   "topic_20260707-131941_481a70d2be9881dd": 1783430381000,
-  "topic_20260720-095943_8dd2c8de3f143692": 1784541583642
+  "topic_20260720-095943_8dd2c8de3f143692": 1784541583642,
+  "topic_20260722-163413_8ebd34b08091d260": 1784738053267
 }

.reasonix/desktop-topic-title-sources.json

@@ -50,5 +50,6 @@
   "topic_20260710-054543_5e7c427932aecd7b": "auto",
   "topic_20260710-063053_353d579222d3b70b": "auto",
   "topic_20260710-090003_60717bd90da5ec68": "auto",
-  "topic_20260720-095943_8dd2c8de3f143692": "auto"
+  "topic_20260720-095943_8dd2c8de3f143692": "auto",
+  "topic_20260722-163413_8ebd34b08091d260": "auto"
 }

.reasonix/desktop-topic-titles.json

@@ -51,5 +51,6 @@
   "topic_20260710-054543_5e7c427932aecd7b": "现在在markdown的编辑区域中…",
   "topic_20260710-063053_353d579222d3b70b": "这个应用里有一个全局搜索的功能，帮我…",
   "topic_20260710-090003_60717bd90da5ec68": "D:\\code\\yurou\\src…",
-  "topic_20260720-095943_8dd2c8de3f143692": "帮我调整一下项目的logo，用D…"
+  "topic_20260720-095943_8dd2c8de3f143692": "帮我调整一下项目的logo，用D…",
+  "topic_20260722-163413_8ebd34b08091d260": "markdownEditor底部区域…"
 }

src/components/MarkdownEditor.vue

@@ -1008,7 +1008,7 @@ defineExpose({
     @keydown.capture="onRootKeydown"
   >
     <div
-      class="mx-auto px-8 py-4 h-full"
+      class="mx-auto px-8 pt-4 pb-10 min-h-full"
       :style="{
         maxWidth: `calc(700px * var(--editor-zoom, 1))`,
         fontSize: `calc(1rem * var(--editor-zoom, 1))`,