chore: add real-time tools API key configs to .env.example

Add optional configuration for:
- GOOGLE_SEARCH_API_KEY + GOOGLE_CSE_ID (for web_search tool)
- EXCHANGE_RATE_API_KEY (optional, v4 API is free without key)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
hailin 2026-01-23 00:53:37 -08:00
parent 36ce824db8
commit d5b751fdf8
1 changed files with 14 additions and 0 deletions

View File

@ -155,3 +155,17 @@ RATE_LIMIT_MAX=100
# ===========================================
LOG_LEVEL=info
LOG_FORMAT=json
# ===========================================
# Real-time Tools API Keys (可选)
# ===========================================
# Google Custom Search API
# 注册地址: https://developers.google.com/custom-search/v1/overview
# 免费额度: 100次/天,超出后 $5/1000次
GOOGLE_SEARCH_API_KEY=
GOOGLE_CSE_ID=
# Exchange Rate API (可选v4 API 免费无需配置)
# 注册地址: https://www.exchangerate-api.com/
# 免费版无需 KeyPremium 版需要
EXCHANGE_RATE_API_KEY=