重构为Monorepo：拆分xhs/xhh应用与core包并完成双服务部署改造

.env.example

@@ -1,19 +1,29 @@
-# Server
-PORT=3000
+# ============================================================================
+# Common runtime settings (both apps)
+# ============================================================================
+
 HOST=127.0.0.1
-
-# Browser
 HEADLESS=true
-# BROWSER_BIN=/path/to/chromium  # Optional: custom Chromium binary path
+# BROWSER_BIN=/path/to/chromium
 
-# Allow remote access (DANGEROUS - only set if you understand the risk)
+# Required only when exposing HOST=0.0.0.0
 # ALLOW_REMOTE=yes-i-understand-the-risk
 
-# Logging
+# Optional logging
 # NODE_ENV=production
 # LOG_LEVEL=info
 
-# Notification automation (Xiaohongshu)
+# ============================================================================
+# mcp-xhs (apps/xhs-mcp)
+# ============================================================================
+# PORT=9527
+# COOKIE_DIR=~/.social-mcp-xhs
 # XHS_NOTIFICATION_POLL_ENABLED=true
 # XHS_NOTIFICATION_POLL_INTERVAL_SEC=60
 # XHS_NOTIFICATION_POLL_MAX_COUNT=20
+
+# ============================================================================
+# mcp-xhh (apps/xhh-mcp)
+# ============================================================================
+# PORT=9528
+# COOKIE_DIR=~/.social-mcp-xhh