feat(plugin): 实现插件更新功能

- PluginRegistry 新增 _update_requested 信号与 do_update slot
- 待处理清单扩展支持 tool_name|remote_path 更新行格式
- 启动时 _process_pending_uninstalls 删旧 .pyd 后从服务器复制新文件
- PluginsCard 新增 parse_version 版本比较与 on_update_event
- 更新链路复用卸载的自重启机制，一次重启完成更新

core/plugin/plugins_card.py

@@ -10,6 +10,29 @@ from .plugins_card_ui import Ui_FramePluginsCard
 
 logger = logging.getLogger(__name__)
 
+
+def parse_version(version: str) -> tuple:
+    """将版本字符串解析为可比较的元组，如 '1.10.0' -> (1, 10, 0)。
+
+    非数字段保持原样（字符串与整数混排时按元组规则比较，足够覆盖
+    常见的 '1.0.0' / '1.10.3' 场景）。None/空值/解析失败返回 (0,)，
+    视为最低版本。
+    """
+    if not version:
+        return (0,)
+    try:
+        parts = []
+        for seg in str(version).split('.'):
+            seg = seg.strip()
+            if seg.isdigit():
+                parts.append(int(seg))
+            else:
+                parts.append(seg)
+        return tuple(parts) if parts else (0,)
+    except Exception:
+        return (0,)
+
+
 class PluginsCard(QFrame, Ui_FramePluginsCard):
     """工具卡片类
 
@@ -27,9 +50,9 @@ class PluginsCard(QFrame, Ui_FramePluginsCard):
         self.initUI()
 
     def initUI(self):
-        self.textBrowser.setReadOnly(True)
-        
         self.refresh()
+        self.textBrowser.setReadOnly(True)
+        self.pushButtonUpdate.clicked.connect(self.on_update_event)
         self.pushButtonInstall.clicked.connect(self.on_install_event)
         self.pushButtonUninstall.clicked.connect(self.on_uninstall_event)
 
@@ -40,9 +63,9 @@ class PluginsCard(QFrame, Ui_FramePluginsCard):
         self.pushButtonInstall.setEnabled(not installed)
         self.pushButtonUninstall.setEnabled(installed)
         if installed:
-            self.pushButtonUpdate.setEnabled(
-                self.info['remote version'] > self.info['local version']
-            )
+            remote = parse_version(self.info.get('remote version'))
+            local = parse_version(self.info.get('local version'))
+            self.pushButtonUpdate.setEnabled(remote > local)
         else:
             self.pushButtonUpdate.setEnabled(False)
 
@@ -61,4 +84,6 @@ class PluginsCard(QFrame, Ui_FramePluginsCard):
 
     def on_uninstall_event(self):
         self.send_event_signal.emit(Event.Uninstall, self.name)
-        pass
+    
+    def on_update_event(self):
+        self.send_event_signal.emit(Event.Update, self.name)