docs: update CT104 details (Caddy static file server + Tailscale)

CT104 runs Caddy on port 80 (static file browsing with gzip) and
Tailscale client (Headscale node 100.64.0.14). Docker-compose at
/opt/caddy/ and /opt/tailscale/. Updated PVE description and tags.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

PVECluster_Architecture.md

@@ -119,7 +119,7 @@ Proxmox Backup Server (192.168.42.30, VM 111)
 | **100** | CT100 | pve-02 | running | 1C | 256 MB | 8G (syno-lvm) | .42.100 | SSH Jump Box + Bore Server (:7835) + Tailscale + Watchtower |
 | **101** | CT101 | pve-02 | running | 1C | 128 MB | 8G (syno-lvm) | .42.101 | RustDesk Server (21115-21119) + Headscale (備用) + Watchtower |
 | **102** | CT102 | pve | running | 1C | 512 MB | 8G (syno-lvm) | .42.102 | Tailscale + Proxy Pool + Cloudflare Tunnel + Watchtower |
-| **104** | CT104 | pve | running | 1C | 96 MB | 8G (syno-lvm) | .42.104 | Caddy 反向代理（80/443） |
+| **104** | CT104 | pve | running | 1C | 96 MB | 8G (syno-lvm) | .42.104 | Caddy 靜態檔案/反向代理 (:80) + Tailscale |
 | **105** | CT105 | pve | running | 1C | 128 MB | 8G (syno-lvm) | .42.105 | EchoIP (mpolden/echoip:8080) + Watchtower |
 | **107** | CT107 | pve-02 | running | 1C | 64 MB | 8G (syno-lvm) | .42.107 | MailPit (axllent/mailpit, Web:8025 SMTP:1025) |
 | **108** | CT108 | pve-03 | running | 4C | 2 GB | 16G (syno-lvm) | .42.108 | Python 微服務環境 (12 服務, supervisord+uv) |

SUMMARY.md

@@ -40,7 +40,7 @@
 | 服務 | VMID | IP | 節點 | 狀態 |
 |---|---|---|---|---|
 | OpenWRT 24.10.4 路由器 | VM 110 | .42.10 (GW) | pve | running |
-| Caddy 反向代理 | CT 104 | .42.104 | pve | running |
+| Caddy (:80) + Tailscale | CT 104 | .42.104 | pve | running |
 | NPM + Gitea + 20 服務集中台 | CT 124 | .42.124 | pve-03 | running |
 | PBS (294GB, 41 筆備份) | VM 111 | .42.30 | pve-02 | running |