chore: update documentation

CLAUDE.md

@@ -41,16 +41,47 @@ go install
 ## Quick Start with Server
 
 ```bash
-# 1. Start KVS server (in ../kvs/)
-cd ../kvs && ./kvs config.yaml
+# 1. Start KVS server as daemon (in ../kvs/)
+cd ../kvs
+./kvs start config.yaml
+
+# Check server is running
+./kvs status
+
+# View logs to get root token
+tail ~/.kvs/logs/kvs_config.yaml.log | grep "Token:"
 
 # 2. Run shell
+cd ../kvs-sh
 ./kvs-shell
 
 # 3. In shell:
 # connect http://localhost:8080
-# auth $KVS_ROOT_TOKEN
+# auth <root-token-from-logs>
 # put test/data '{"hello":"world"}'
+
+# 4. Stop server when done
+cd ../kvs
+./kvs stop config
+```
+
+**Daemon Commands:**
+```bash
+# Start server
+./kvs start config.yaml         # or just: ./kvs start config
+
+# Check status
+./kvs status                    # Show all instances
+./kvs status config             # Show specific instance
+
+# View logs
+tail -f ~/.kvs/logs/kvs_config.yaml.log
+
+# Stop server
+./kvs stop config
+
+# Restart server
+./kvs restart config
 ```
 
 **Important:** If auth fails with "token not found", the database has old data. Either: