config: add data/logs directories to shared inventory.env

- DATA_DIR for persistent data storage
- LOGS_DIR for application logs
- LOG_LEVEL for log verbosity (used by standalone launcher)

inventory.env

@@ -25,3 +25,8 @@ CLAUDE_API_KEY=sk-ant-api03-13S9Ge3ai43Ia89yfxwwdkoodhddLV1ByVfdmpccqfA-zF-27BLF
 # External Access (CORS)
 # Comma-separated list of extra IPs or FQDNs allowed to connect (e.g. Tailscale, VPN)
 EXTRA_ALLOWED_ORIGINS=100.78.182.0/24
+
+# Data and Logging (for standalone deployment)
+DATA_DIR=./data
+LOGS_DIR=./logs
+LOG_LEVEL=INFO