Add Claude Code setup to installation guide

Agap-Installation.md

@@ -130,7 +130,36 @@ Add:
 30 3 * * * rsync -a --delete /mnt/ssd/dbs/ /mnt/backups/dbs/ >> /mnt/backups/dbs/cron.log 2>&1 && touch /mnt/backups/dbs/.last_sync
 ```
 
-## 7. Services
+## 7. Claude Code
+
+Install [Claude Code](https://claude.ai/code), then configure:
+
+**`~/.claude/settings.json`** — env vars and preferences:
+
+```json
+{
+  "env": {
+    "GITEA_TOKEN": "<gitea-api-token>",
+    "ZABBIX_TOKEN": "<zabbix-api-token>",
+    "HTTP_PROXY": "http://127.0.0.1:56928",
+    "HTTPS_PROXY": "http://127.0.0.1:56928",
+    "ALL_PROXY": "http://127.0.0.1:56928",
+    "NO_PROXY": "localhost,127.0.0.1,172.17.0.0/16",
+    "TELEGRAM_BOT_TOKEN": "<telegram-bot-token>",
+    "TELEGRAM_CHAT_ID": "<telegram-chat-id>",
+    "HA_TOKEN": "<home-assistant-long-lived-token>"
+  },
+  "effortLevel": "low"
+}
+```
+
+**`~/.claude/CLAUDE.md`** — global instructions (Gitea wiki integration, Zabbix API, HA API). Copy from existing Agap setup.
+
+**`~/agap_git/CLAUDE.md`** — project-level instructions (services, storage paths, common commands). Already in the repo.
+
+> Tokens must be regenerated on a fresh install — they are not stored in the repo.
+
+## 8. Services
 
 Start all Docker services: