ai-agent-book 精选快照（<2MB 代码与文档，来自 github.com/bojieli/ai-agent-book）

chapter4/collaboration-tools/env.example

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+# LLM Configuration (for sub-agents, intelligence tools, and browser-use)
+# Set COLLAB_PROVIDER=dashscope (or qwen/bailian) for Alibaba Cloud Model Studio.
+# COLLAB_PROVIDER=dashscope
+# DASHSCOPE_API_KEY=your-dashscope-api-key
+# DASHSCOPE_BASE_URL=https://dashscope-intl.aliyuncs.com/compatible-mode/v1
+# Direct OpenAI (preferred when set):
+OPENAI_API_KEY=your-openai-api-key
+# OPENAI_MODEL=gpt-5.6-luna
+# OPENAI_BASE_URL=https://your-gateway/v1   # optional custom gateway
+#
+# Universal OpenRouter fallback: if OPENAI_API_KEY is absent but OPENROUTER_API_KEY
+# is set, all LLM entry points (spawn_subagent, intelligence_tools, browser_tools)
+# route through OpenRouter (base_url=https://openrouter.ai/api/v1) with the model
+# id mapped to provider/model form (gpt-* -> openai/…). With neither key set, the
+# sub-agent runs in deterministic offline mode.
+# OPENROUTER_API_KEY=your-openrouter-api-key
+
+# Browser Settings
+BROWSER_HEADLESS=false
+BROWSER_USER_DATA_DIR=~/.config/collaboration-tools/browser
+
+# Email Configuration (SMTP)
+SMTP_HOST=smtp.gmail.com
+SMTP_PORT=587
+SMTP_USERNAME=your-email@gmail.com
+SMTP_PASSWORD=your-app-password
+SMTP_FROM_EMAIL=your-email@gmail.com
+SMTP_USE_TLS=true
+
+# SendGrid (Alternative to SMTP)
+SENDGRID_API_KEY=your-sendgrid-api-key
+
+# Telegram Bot
+TELEGRAM_BOT_TOKEN=your-telegram-bot-token
+TELEGRAM_DEFAULT_CHAT_ID=your-default-chat-id
+
+# Slack Webhook
+SLACK_WEBHOOK_URL=https://hooks.slack.com/services/YOUR/WEBHOOK/URL
+
+# Discord Webhook
+DISCORD_WEBHOOK_URL=https://discord.com/api/webhooks/YOUR/WEBHOOK/URL
+
+# Human-in-the-Loop Settings
+HITL_ADMIN_EMAIL=admin@example.com
+HITL_WEBHOOK_URL=http://localhost:8080/hitl
+HITL_TIMEOUT_SECONDS=3600
+
+# Timer Storage
+TIMER_STORAGE_PATH=~/.config/collaboration-tools/timers.json
+
+# Logging
+LOG_LEVEL=INFO