更新压缩机制，提高前缀缓存命中率，优化UI渲染机制，提高帧数

electron/preload.js

@@ -29,8 +29,9 @@ contextBridge.exposeInMainWorld('electronAPI', {
   openInExplorer: (filePath) => ipcRenderer.invoke('shell:openInExplorer', filePath),
 
   // ===== 内置 PowerShell 终端 =====
-  spawnTerminal: (cwd) => ipcRenderer.invoke('terminal:spawn', { cwd }),
+  spawnTerminal: (cwd, cols, rows) => ipcRenderer.invoke('terminal:spawn', { cwd, cols, rows }),
   sendTerminalInput: (id, data) => ipcRenderer.send('terminal:input', { id, data }),
+  resizeTerminal: (id, cols, rows) => ipcRenderer.send('terminal:resize', { id, cols, rows }),
   killTerminal: (id) => ipcRenderer.send('terminal:kill', { id }),
   killAllTerminals: () => ipcRenderer.send('terminal:killAll'),
   onTerminalData: (cb) => {