🎉 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

.env.example

@@ -0,0 +1,46 @@
+# ============================================
+# OpenCode WebUI - 环境变量
+# ============================================
+# cp .env.example .env
+
+# ---- LLM Provider API Keys（至少填一个）----
+ANTHROPIC_API_KEY=
+OPENAI_API_KEY=
+GEMINI_API_KEY=
+DEEPSEEK_API_KEY=
+GROQ_API_KEY=
+MISTRAL_API_KEY=
+XAI_API_KEY=
+
+# ---- 端口 ----
+GATEWAY_PORT=6658
+PREVIEW_PORT=6659
+
+# ---- 预览域名（绑定独立域名解决前端资源路径问题）----
+# 例如 preview.example.com，Nginx 将此域名转发到 PREVIEW_PORT
+PREVIEW_DOMAIN=
+
+# ---- 工作目录 ----
+WORKSPACE=./workspace
+
+# ---- 安全（公网部署务必设置）----
+OPENCODE_SERVER_PASSWORD=
+OPENCODE_SERVER_USERNAME=opencode
+
+# ---- 路由服务（由 gateway 内置）----
+PUBLIC_BASE_URL=
+ROUTER_SCAN_INTERVAL=5
+ROUTER_TOKEN_LENGTH=12
+ROUTER_PORT_RANGE=3000-9999
+ROUTER_EXCLUDE_PORTS=4096
+
+# ---- Backend 工具链镜像/运行时源（可选）----
+USE_CHINA_MIRROR=1
+APT_MIRROR=http://mirrors.tuna.tsinghua.edu.cn/debian
+APT_SECURITY_MIRROR=http://mirrors.tuna.tsinghua.edu.cn/debian-security
+NPM_CONFIG_REGISTRY=https://registry.npmmirror.com
+NODEJS_ORG_MIRROR=https://npmmirror.com/mirrors/node
+PIP_INDEX_URL=https://pypi.tuna.tsinghua.edu.cn/simple
+PIP_TRUSTED_HOST=pypi.tuna.tsinghua.edu.cn
+MISE_INSTALL_URL=https://mise.run
+OPENCODE_INSTALL_URL=https://opencode.ai/install