🎉 Initial commit: PiAgentUI — AI Agent Desktop & Web UI

A professional workspace for AI coding agents with:
- Real-time streaming chat with SSE
- Session management (fork, clone, tree navigation)
- MCP tools browser & metadata panel
- Skills browser (global, project, package sources)
- Voice input & STT provider configuration
- Integrated terminal & file explorer
- Model selector with capability metadata
- Keyboard-first UI with command palette
- 8 languages (en, pt-BR, es, ja, zh-CN, ar, bn, hi)
- Tauri 2 desktop app
- React 19 + TypeScript + Vite 8 + Tailwind CSS 4
- Pi Agent extension runtime

Originally forked from OpenCodeUI, now an independent project.
License: GPL-3.0-only

docker/Caddyfile.gateway

@@ -0,0 +1,36 @@
+{
+	auto_https off
+}
+
+# ---- 主入口 :6658 — OpenCode 应用 ----
+:6658 {
+	# API（SSE + WebSocket 自动处理）
+	handle_path /api/* {
+		reverse_proxy opencode-backend:4096 {
+			flush_interval -1
+		}
+	}
+
+	# Routes UI + Preview API（供面板切换预览端口）
+	@router path /routes /preview/*
+	handle @router {
+		reverse_proxy 127.0.0.1:7070
+	}
+
+	# 前端（兜底）
+	handle {
+		reverse_proxy opencode-frontend:3000
+	}
+}
+
+# ---- 开发服务入口 :6659 — 绑独立域名 ----
+# 路径穿透 /p/{token}/ + 独占预览（兜底）
+:6659 {
+	# 动态端口路由（由 router 自动生成）
+	import /etc/caddy/routes.conf
+
+	# 独占预览（兜底：未匹配路径穿透的请求走 preview 端口）
+	handle {
+		import /etc/caddy/preview.conf
+	}
+}