feat: harden local shell, SFTP, and desktop session reliability

Finder-launched terminals now inherit a login PATH so tools like ollama resolve, destructive SFTP/editor actions require confirmation, and terminal search plus window dragging work again. SSH forwards and RDP sessions keep listeners and survive reconnect without FastPath crashes.

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

src/components/ai/AgentMarkdown.tsx

@@ -7,6 +7,7 @@ interface AgentMarkdownProps {
 }
 
 /** 简单检测是否含 Markdown 结构（标题/表格/引用/列表/粗体） */
+// eslint-disable-next-line react-refresh/only-export-components -- shared helper colocated with markdown renderer
 export function looksLikeMarkdown(text: string): boolean {
   const t = text.trim()
   if (!t) return false